diff --git a/src/cloud/common/CloudAuth.rb b/src/cloud/common/CloudAuth.rb
index 23331f79f8..b6203a11ea 100644
--- a/src/cloud/common/CloudAuth.rb
+++ b/src/cloud/common/CloudAuth.rb
@@ -39,11 +39,12 @@ class CloudAuth
     # Tokens will be generated if time > EXPIRE_TIME - EXPIRE_MARGIN
     EXPIRE_MARGIN = 300
 
-    attr_reader :client, :token
+    attr_reader :client, :token, :logger
 
     # conf a hash with the configuration attributes as symbols
-    def initialize(conf)
+    def initialize(conf, logger=nil)
         @conf = conf
+        @logger = logger
 
         @token_expiration_time = Time.now.to_i + EXPIRE_DELTA
 
diff --git a/src/cloud/common/CloudServer.rb b/src/cloud/common/CloudServer.rb
index ec3b86134d..9e3883ad1a 100755
--- a/src/cloud/common/CloudServer.rb
+++ b/src/cloud/common/CloudServer.rb
@@ -37,7 +37,7 @@ class CloudServer
     ##########################################################################
     # Public attributes
     ##########################################################################
-    attr_reader :config
+    attr_reader :config, :logger
 
     # Initializes the Cloud server based on a config file
     # config_file:: _String_ for the server. MUST include the following
@@ -45,9 +45,10 @@ class CloudServer
     #   AUTH
     #   VM_TYPE
     #   XMLRPC
-    def initialize(config)
+    def initialize(config, logger=nil)
         # --- Load the Cloud Server configuration file ---
         @config = config
+        @logger = logger
     end
     #
     # Prints the configuration of the server
@@ -82,3 +83,54 @@ class CloudServer
       return false
     end
 end
+
+module CloudLogger
+    require 'logger'
+
+    DEBUG_LEVEL = [
+        Logger::ERROR, # 0
+        Logger::WARN,  # 1
+        Logger::INFO,  # 2
+        Logger::DEBUG  # 3
+    ]
+
+    # Mon Feb 27 06:02:30 2012 [Clo] [E]: Error message example
+    MSG_FORMAT  = %{%s [%s]: %s\n}
+
+    # Mon Feb 27 06:02:30 2012
+    DATE_FORMAT = "%a %b %d %H:%M:%S %Y"
+
+    # Patch logger class to be compatible with Rack::CommonLogger
+    class ::Logger
+        def write(msg)
+            info msg.chop
+        end
+    end
+
+    def enable_logging(path=nil, debug_level=3)
+        path ||= $stdout
+        logger = ::Logger.new(path)
+        logger.level = DEBUG_LEVEL[debug_level]
+        logger.formatter = proc do |severity, datetime, progname, msg|
+            MSG_FORMAT % [
+                datetime.strftime(DATE_FORMAT),
+                severity[0..0],
+                msg ]
+        end
+
+        # Add the logger instance to the Sinatra settings
+        set :logger, logger
+
+        # The logging will be configured in Rack, not in Sinatra
+        disable :logging
+
+        # Use the logger instance in the Rack  methods
+        use Rack::CommonLogger, logger
+
+        helpers do
+            def logger
+                settings.logger
+            end
+        end
+    end
+end
diff --git a/src/cloud/ec2/etc/econe.conf b/src/cloud/ec2/etc/econe.conf
index 679d5fb6e9..f9ba61e670 100644
--- a/src/cloud/ec2/etc/econe.conf
+++ b/src/cloud/ec2/etc/econe.conf
@@ -34,6 +34,9 @@
 #   x509, for x509 certificate encryption of tokens
 :core_auth: cipher
 
+# 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG
+:debug_level: 3
+
 # VM types allowed and its template file (inside templates directory)
 :instance_types:
   :m1.small:
diff --git a/src/cloud/ec2/lib/EC2QueryServer.rb b/src/cloud/ec2/lib/EC2QueryServer.rb
index 4e2abd1072..66c14ad2a0 100644
--- a/src/cloud/ec2/lib/EC2QueryServer.rb
+++ b/src/cloud/ec2/lib/EC2QueryServer.rb
@@ -61,8 +61,8 @@ class EC2QueryServer < CloudServer
 
     ###########################################################################
 
-    def initialize(client, config)
-        super(config)
+    def initialize(client, config, logger)
+        super(config, logger)
 
         @client = client
     end
diff --git a/src/cloud/ec2/lib/econe-server.rb b/src/cloud/ec2/lib/econe-server.rb
index 0a8ccc1d98..0d20b59cc4 100644
--- a/src/cloud/ec2/lib/econe-server.rb
+++ b/src/cloud/ec2/lib/econe-server.rb
@@ -20,19 +20,23 @@
 ONE_LOCATION=ENV["ONE_LOCATION"]
 
 if !ONE_LOCATION
-    RUBY_LIB_LOCATION  = "/usr/lib/one/ruby"
+    LOG_LOCATION = "/var/log/one"
     VAR_LOCATION = "/var/lib/one"
-    CONFIGURATION_FILE = "/etc/one/econe.conf"
-    TEMPLATE_LOCATION  = "/etc/one/ec2query_templates"
+    ETC_LOCATION = "/etc/one"
+    RUBY_LIB_LOCATION = "/usr/lib/one/ruby"
 else
-    RUBY_LIB_LOCATION  = ONE_LOCATION+"/lib/ruby"
-    VAR_LOCATION = ONE_LOCATION+"/var"
-    CONFIGURATION_FILE = ONE_LOCATION+"/etc/econe.conf"
-    TEMPLATE_LOCATION  = ONE_LOCATION+"/etc/ec2query_templates"
+    VAR_LOCATION = ONE_LOCATION + "/var"
+    LOG_LOCATION = ONE_LOCATION + "/var"
+    ETC_LOCATION = ONE_LOCATION + "/etc"
+    RUBY_LIB_LOCATION = ONE_LOCATION+"/lib/ruby"
 end
 
-VIEWS_LOCATION = RUBY_LIB_LOCATION + "/cloud/econe/views"
-EC2_AUTH = VAR_LOCATION + "/.one/ec2_auth"
+EC2_AUTH           = VAR_LOCATION + "/.one/ec2_auth"
+EC2_LOG            = LOG_LOCATION + "/econe-server.log"
+CONFIGURATION_FILE = ETC_LOCATION + "/occi-server.conf"
+
+TEMPLATE_LOCATION  = ETC_LOCATION + "/occi_templates"
+VIEWS_LOCATION     = RUBY_LIB_LOCATION + "/cloud/econe/views"
 
 $: << RUBY_LIB_LOCATION
 $: << RUBY_LIB_LOCATION+"/cloud"
@@ -57,12 +61,13 @@ include OpenNebula
 begin
     conf = YAML.load_file(CONFIGURATION_FILE)
 rescue Exception => e
-    puts "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
+    STDERR.puts "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
     exit 1
 end
 
 conf[:template_location] = TEMPLATE_LOCATION
 conf[:views] = VIEWS_LOCATION
+conf[:debug_level] ||= 3
 
 CloudServer.print_configuration(conf)
 
@@ -70,21 +75,28 @@ CloudServer.print_configuration(conf)
 # Sinatra Configuration
 ##############################################################################
 set :config, conf
-set :bind, settings.config[:server]
-set :port, settings.config[:port]
+
+include CloudLogger
+enable_logging EC2_LOG, settings.config[:debug_level].to_i
 
 if CloudServer.is_port_open?(settings.config[:server],
                              settings.config[:port])
-    puts "Port busy, please shutdown the service or move econe server port."
-    exit 1
+    settings.logger.error {
+        "Port #{settings.config[:port]} busy, please shutdown " <<
+        "the service or move occi server port."
+    }
+    exit -1
 end
 
+set :bind, settings.config[:server]
+set :port, settings.config[:port]
+
 begin
     ENV["ONE_CIPHER_AUTH"] = EC2_AUTH
-    cloud_auth = CloudAuth.new(settings.config)
+    cloud_auth = CloudAuth.new(settings.config, settings.logger)
 rescue => e
-    puts "Error initializing authentication system"
-    puts e.message
+    settings.logger.error {"Error initializing authentication system"}
+    settings.logger.error {e.message}
     exit -1
 end
 
@@ -116,6 +128,7 @@ before do
         params['econe_path'] = settings.econe_path
         username = settings.cloud_auth.auth(request.env, params)
     rescue Exception => e
+        logger.error {e.message}
         error 500, error_xml("AuthFailure", 0)
     end
 
@@ -123,7 +136,7 @@ before do
         error 401, error_xml("AuthFailure", 0)
     else
         client = settings.cloud_auth.client(username)
-        @econe_server = EC2QueryServer.new(client, settings.config)
+        @econe_server = EC2QueryServer.new(client, settings.config, settings.logger)
     end
 end
 
@@ -179,6 +192,7 @@ def do_http_request(params)
     end
 
     if OpenNebula::is_error?(result)
+        logger.error(result.message)
         error rc, error_xml(result.message, 0)
     end
 
diff --git a/src/cloud/occi/etc/occi-server.conf b/src/cloud/occi/etc/occi-server.conf
index 7d42afbf3d..5ab9849e09 100644
--- a/src/cloud/occi/etc/occi-server.conf
+++ b/src/cloud/occi/etc/occi-server.conf
@@ -34,8 +34,8 @@
 #   x509, for x509 certificate encryption of tokens
 :core_auth: cipher
 
-# Life-time in seconds for token renewal (that used to handle OpenNebula auths)
-:token_expiration_delta: 1800
+# 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG
+:debug_level: 3
 
 # VM types allowed and its template file (inside templates directory)
 :instance_types:
diff --git a/src/cloud/occi/lib/OCCIServer.rb b/src/cloud/occi/lib/OCCIServer.rb
index 193132c30b..a3102da56c 100755
--- a/src/cloud/occi/lib/OCCIServer.rb
+++ b/src/cloud/occi/lib/OCCIServer.rb
@@ -52,8 +52,8 @@ class OCCIServer < CloudServer
     # Server initializer
     # config_file:: _String_ path of the config file
     # template:: _String_ path to the location of the templates
-    def initialize(client, config)
-        super(config)
+    def initialize(client, config, logger)
+        super(config, logger)
 
         if config[:ssl_server]
             @base_url=config[:ssl_server]
@@ -81,10 +81,10 @@ class OCCIServer < CloudServer
     ############################################################################
 
     def get_collections(request)
-        xml_resp = "<COLLECTIONS>\n"
+        xml_resp = "<COLLECTIONS>"
 
-        COLLECTIONS.each { |c|
-            xml_resp << "\t<#{c.upcase}_COLLECTION href=\"#{@base_url}/#{c}\">\n"
+        COLLECTIONS.sort.each { |c|
+            xml_resp << "<#{c.upcase}_COLLECTION href=\"#{@base_url}/#{c}\"/>"
         }
 
         xml_resp << "</COLLECTIONS>"
@@ -97,7 +97,7 @@ class OCCIServer < CloudServer
         <INSTANCE_TYPE href="<%= @base_url %>/instance_type/<%=name%>" name="<%= name %>">
             <ID><%= name.to_s %></ID>
             <NAME><%= name.to_s %></NAME>
-        <% opts.each { |elem, value|
+        <% opts.sort{|k1,k2| k1[0].to_s<=>k2[0].to_s}.each { |elem, value|
             next if elem==:template
             str = elem.to_s.upcase %>
             <<%= str %>><%= value %></<%= str %>>
@@ -106,9 +106,11 @@ class OCCIServer < CloudServer
     }
 
     def get_instance_types(request)
-        xml_resp = "<INSTANCE_TYPE_COLLECTION>\n"
+        xml_resp = "<INSTANCE_TYPE_COLLECTION>"
 
-        @config[:instance_types].each { |name, opts|
+        @config[:instance_types].sort { |k1,k2|
+            k1[0].to_s<=>k2[0].to_s
+        }.each { |name, opts|
             if request.params['verbose']
                 begin
                     occi_it = ERB.new(INSTANCE_TYPE)
@@ -120,7 +122,7 @@ class OCCIServer < CloudServer
 
                 xml_resp << occi_it.gsub(/\n\s*/,'')
             else
-                xml_resp << "\t<INSTANCE_TYPE href=\"#{@base_url}/instance_type/#{name.to_s}\"  name=\"#{name}\">\n"
+                xml_resp << "<INSTANCE_TYPE href=\"#{@base_url}/instance_type/#{name.to_s}\"  name=\"#{name}\"/>"
             end
         }
 
@@ -163,7 +165,7 @@ class OCCIServer < CloudServer
             return rc, CloudServer::HTTP_ERROR_CODE[rc.errno]
         end
 
-        return to_occi_xml(vmpool, :status=>200, :verbose=>request.params['verbose'])
+        return to_occi_xml(vmpool, :code=>200, :verbose=>request.params['verbose'])
     end
 
 
@@ -183,7 +185,7 @@ class OCCIServer < CloudServer
             return rc, CloudServer::HTTP_ERROR_CODE[rc.errno]
         end
 
-        return to_occi_xml(network_pool, :status=>200, :verbose=>request.params['verbose'])
+        return to_occi_xml(network_pool, :code=>200, :verbose=>request.params['verbose'])
     end
 
     # Gets the pool representation of STORAGES
@@ -202,7 +204,7 @@ class OCCIServer < CloudServer
             return rc, CloudServer::HTTP_ERROR_CODE[rc.errno]
         end
 
-        return to_occi_xml(image_pool, :status=>200, :verbose=>request.params['verbose'])
+        return to_occi_xml(image_pool, :code=>200, :verbose=>request.params['verbose'])
     end
 
     # Gets the pool representation of USERs
@@ -219,7 +221,7 @@ class OCCIServer < CloudServer
             return rc, CloudServer::HTTP_ERROR_CODE[rc.errno]
         end
 
-        return to_occi_xml(user_pool, :status=>200, :verbose=>request.params['verbose'])
+        return to_occi_xml(user_pool, :code=>200, :verbose=>request.params['verbose'])
     end
 
     ############################################################################
@@ -255,7 +257,7 @@ class OCCIServer < CloudServer
 
         # --- Prepare XML Response ---
         vm.info
-        return to_occi_xml(vm, :status=>201)
+        return to_occi_xml(vm, :code=>201)
     end
 
     # Get the representation of a COMPUTE resource
@@ -274,7 +276,7 @@ class OCCIServer < CloudServer
             return rc, CloudServer::HTTP_ERROR_CODE[rc.errno]
         end
 
-        return to_occi_xml(vm, :status=>200)
+        return to_occi_xml(vm, :code=>200)
     end
 
     # Deletes a COMPUTE resource
@@ -317,7 +319,7 @@ class OCCIServer < CloudServer
             return result, code
         else
             vm.info
-            return to_occi_xml(vm, :status=>code)
+            return to_occi_xml(vm, :code=>code)
         end
     end
 
@@ -347,7 +349,7 @@ class OCCIServer < CloudServer
 
         # --- Prepare XML Response ---
         network.info
-        return to_occi_xml(network, :status=>201)
+        return to_occi_xml(network, :code=>201)
     end
 
     # Retrieves a NETWORK resource
@@ -365,7 +367,7 @@ class OCCIServer < CloudServer
             return rc, CloudServer::HTTP_ERROR_CODE[rc.errno]
         end
 
-        return to_occi_xml(network, :status=>200)
+        return to_occi_xml(network, :code=>200)
     end
 
     # Deletes a NETWORK resource
@@ -411,7 +413,7 @@ class OCCIServer < CloudServer
 
         # --- Prepare XML Response ---
         vnet.info
-        return to_occi_xml(vnet, :status=>202)
+        return to_occi_xml(vnet, :code=>202)
     end
 
     ############################################################################
@@ -457,7 +459,7 @@ class OCCIServer < CloudServer
         end
 
         # --- Prepare XML Response ---
-        return to_occi_xml(image, :status=>201)
+        return to_occi_xml(image, :code=>201)
     end
 
     # Get a STORAGE resource
@@ -476,7 +478,7 @@ class OCCIServer < CloudServer
         end
 
         # --- Prepare XML Response ---
-        return to_occi_xml(image, :status=>200)
+        return to_occi_xml(image, :code=>200)
     end
 
     # Deletes a STORAGE resource (Not yet implemented)
@@ -530,7 +532,7 @@ class OCCIServer < CloudServer
 
         # --- Prepare XML Response ---
         image.info
-        return to_occi_xml(image, :status=>202)
+        return to_occi_xml(image, :code=>202)
     end
 
     # Get the representation of a USER
@@ -549,7 +551,7 @@ class OCCIServer < CloudServer
             return rc, CloudServer::HTTP_ERROR_CODE[rc.errno]
         end
 
-        return to_occi_xml(user, :status=>200)
+        return to_occi_xml(user, :code=>200)
     end
 
     ############################################################################
@@ -566,7 +568,7 @@ class OCCIServer < CloudServer
             return [404, error]
         end
 
-        vnc_proxy = OpenNebulaVNC.new(config,{:json_errors => false})
+        vnc_proxy = OpenNebulaVNC.new(config, logger, {:json_errors => false})
         return vnc_proxy.start(vm)
     end
 
@@ -574,7 +576,8 @@ class OCCIServer < CloudServer
         begin
             OpenNebulaVNC.stop(pipe)
         rescue Exception => e
-            return [500, e.message]
+            logger.error {e.message}
+            return [500, "Error stopping VNC. Please check server logs."]
         end
         
         return [200,nil]
diff --git a/src/cloud/occi/lib/occi-server.rb b/src/cloud/occi/lib/occi-server.rb
index 10b814e5f2..851d58dc5c 100755
--- a/src/cloud/occi/lib/occi-server.rb
+++ b/src/cloud/occi/lib/occi-server.rb
@@ -25,18 +25,22 @@
 ONE_LOCATION=ENV["ONE_LOCATION"]
 
 if !ONE_LOCATION
-    RUBY_LIB_LOCATION="/usr/lib/one/ruby"
+    LOG_LOCATION = "/var/log/one"
     VAR_LOCATION = "/var/lib/one"
-    TEMPLATE_LOCATION="/etc/one/occi_templates"
-    CONFIGURATION_FILE = "/etc/one/occi-server.conf"
+    ETC_LOCATION = "/etc/one"
+    RUBY_LIB_LOCATION = "/usr/lib/one/ruby"
 else
-    RUBY_LIB_LOCATION=ONE_LOCATION+"/lib/ruby"
-    VAR_LOCATION = ONE_LOCATION+"/var"
-    TEMPLATE_LOCATION=ONE_LOCATION+"/etc/occi_templates"
-    CONFIGURATION_FILE = ONE_LOCATION+"/etc/occi-server.conf"
+    VAR_LOCATION = ONE_LOCATION + "/var"
+    LOG_LOCATION = ONE_LOCATION + "/var"
+    ETC_LOCATION = ONE_LOCATION + "/etc"
+    RUBY_LIB_LOCATION = ONE_LOCATION+"/lib/ruby"
 end
 
-OCCI_AUTH = VAR_LOCATION + "/.one/occi_auth"
+OCCI_AUTH          = VAR_LOCATION + "/.one/occi_auth"
+OCCI_LOG           = LOG_LOCATION + "/occi-server.log"
+CONFIGURATION_FILE = ETC_LOCATION + "/occi-server.conf"
+
+TEMPLATE_LOCATION  = ETC_LOCATION + "/occi_templates"
 
 $: << RUBY_LIB_LOCATION
 $: << RUBY_LIB_LOCATION+"/cloud/occi"
@@ -59,42 +63,55 @@ require 'CloudAuth'
 include OpenNebula
 
 ##############################################################################
-# Parse Configuration file
+# Configuration
 ##############################################################################
+# Set Configuration settings
 begin
     conf = YAML.load_file(CONFIGURATION_FILE)
 rescue Exception => e
-    puts "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
+    STDERR.puts "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
     exit 1
 end
 
 conf[:template_location] = TEMPLATE_LOCATION
+conf[:debug_level] ||= 3
 
 CloudServer.print_configuration(conf)
 
-##############################################################################
-# Sinatra Configuration
-##############################################################################
+set :config, conf
+
+
+# Enable Logger
+include CloudLogger
+enable_logging OCCI_LOG, settings.config[:debug_level].to_i
+
+
+# Set Sinatra configuration
 use Rack::Session::Pool, :key => 'occi'
+
 set :public, Proc.new { File.join(root, "ui/public") }
 set :views, settings.root + '/ui/views'
-set :config, conf
 
 if CloudServer.is_port_open?(settings.config[:server],
                              settings.config[:port])
-    puts "Port busy, please shutdown the service or move occi server port."
-    exit
+    settings.logger.error {
+        "Port #{settings.config[:port]} busy, please shutdown " <<
+        "the service or move occi server port."
+    }
+    exit -1
 end
 
 set :bind, settings.config[:server]
 set :port, settings.config[:port]
 
+
+# Create CloudAuth
 begin
     ENV["ONE_CIPHER_AUTH"] = OCCI_AUTH
-    cloud_auth = CloudAuth.new(settings.config)
+    cloud_auth = CloudAuth.new(settings.config, settings.logger)
 rescue => e
-    puts "Error initializing authentication system"
-    puts e.message
+    settings.logger.error {"Error initializing authentication system"}
+    settings.logger.error {e.message}
     exit -1
 end
 
@@ -110,17 +127,21 @@ before do
             begin
                 username = settings.cloud_auth.auth(request.env, params)
             rescue Exception => e
-                error 500, e.message
+                logger.error {e.message}
+                error 500, ""
             end
         else
             username = session[:user]
         end
 
         if username.nil? #unable to authenticate
+            logger.error {"User not authorized"}
             error 401, ""
         else
             client  = settings.cloud_auth.client(username)
-            @occi_server = OCCIServer.new(client, settings.config)
+            @occi_server = OCCIServer.new(client,
+                                          settings.config,
+                                          settings.logger)
         end
     end
 end
@@ -147,20 +168,24 @@ helpers do
         begin
             username = settings.cloud_auth.auth(request.env, params)
         rescue Exception => e
-            error 500, e.message
+            logger.error {e.message}
+            error 500, ""
         end
 
         if username.nil?
+            logger.error {"User not authorized"}
             error 401, ""
         else
             client  = settings.cloud_auth.client(username)
-            @occi_server = OCCIServer.new(client, settings.config)
+            @occi_server = OCCIServer.new(client,
+                                          settings.config,
+                                          settings.logger)
 
             user_id = OpenNebula::User::SELF
             user    = OpenNebula::User.new_with_id(user_id, client)
             rc = user.info
             if OpenNebula.is_error?(rc)
-                # Add a log message
+                logger.error {rc.message}
                 return [500, ""]
             end
 
@@ -190,6 +215,7 @@ helpers do
 
     def treat_response(result,rc)
         if OpenNebula::is_error?(result)
+            logger.error {result.message}
             halt rc, result.message
         end
 
diff --git a/src/cloud/occi/lib/ui/public/css/login.css b/src/cloud/occi/lib/ui/public/css/login.css
index 2fdd890a84..b58bacd20f 100644
--- a/src/cloud/occi/lib/ui/public/css/login.css
+++ b/src/cloud/occi/lib/ui/public/css/login.css
@@ -132,12 +132,19 @@ div#login input#login_btn:hover {
 }
 
 .error_message {
+    width: 400px;
+    margin-left: auto;
+    margin-right: auto;
   display: none;
   position: relative;
   top: 80px;
-  font-family: Arial, Helvetica, sans-serif;
-  color:red;
-  font-size:1.6em;
+  font-size:1.0em;
+}
+
+#login_spinner {
+    left: 44px;
+    position: relative;
+    top: 2px;
 }
 
 #label_remember {
diff --git a/src/cloud/occi/lib/ui/public/js/login.js b/src/cloud/occi/lib/ui/public/js/login.js
index 721200f945..363fb781fd 100644
--- a/src/cloud/occi/lib/ui/public/js/login.js
+++ b/src/cloud/occi/lib/ui/public/js/login.js
@@ -24,14 +24,20 @@ function auth_error(req, error){
 
     switch (status){
     case 401:
-        $("#one_error").hide();
-        $("#auth_error").fadeIn("slow");
+        $("#error_box").text("Invalid username or password");
         break;
     case 500:
-        $("#auth_error").hide();
-        $("#one_error").fadeIn("slow");
+        $("#error_box").text("OpenNebula is not running or there was a server exception. Please check the server logs.");
         break;
+    case 0:
+        $("#error_box").text("No answer from server. Is it running?");
+        break;
+    default:
+        $("#error_box").text("Unexpected error. Status "+status+". Check the server logs.");
+
     };
+    $("#error_box").fadeIn("slow");
+    $("#login_spinner").hide();
 }
 
 function authenticate(){
@@ -40,6 +46,9 @@ function authenticate(){
     password = Crypto.SHA1(password);
     var remember = $("#check_remember").is(":checked");
 
+    $("#error_box").fadeOut("slow");
+    $("#login_spinner").show();
+
     var obj = { data: {username: username,
                        password: password},
                 remember: remember,
@@ -70,4 +79,5 @@ $(document).ready(function(){
     };
 
     $("input#username.box").focus();
+    $("#login_spinner").hide();
 });
diff --git a/src/cloud/occi/lib/ui/public/js/occi.js b/src/cloud/occi/lib/ui/public/js/occi.js
index a818fe8008..a841b00ded 100644
--- a/src/cloud/occi/lib/ui/public/js/occi.js
+++ b/src/cloud/occi/lib/ui/public/js/occi.js
@@ -189,7 +189,7 @@ var OCCI = {
             $.ajax({
                 url: resource.toLowerCase(),
                 type: "GET",
-                data: {timeout: timeout},
+                data: {timeout: timeout, verbose: true},
                 dataType: "xml ONEjson",
                 success: function(response){
                     var res = {};
diff --git a/src/cloud/occi/lib/ui/public/js/plugins/compute.js b/src/cloud/occi/lib/ui/public/js/plugins/compute.js
index 5613a1b3a2..99402b25a0 100644
--- a/src/cloud/occi/lib/ui/public/js/plugins/compute.js
+++ b/src/cloud/occi/lib/ui/public/js/plugins/compute.js
@@ -153,13 +153,6 @@ var vm_actions = {
         error: onError
     },
 
-    "VM.showstate" : {
-        type: "single",
-        call: OCCI.VM.show,
-        callback: updateVMStateCB,
-        error: onError
-    },
-
     "VM.refresh" : {
         type: "custom",
         call : function (){
@@ -178,7 +171,7 @@ var vm_actions = {
     "VM.suspend" : {
         type: "multiple",
         call: OCCI.VM.suspend,
-        callback: updateVMStateCB,
+        callback: updateVMachineElement,
         elements: vmElements,
         error: onError,
         notify: true
@@ -187,7 +180,7 @@ var vm_actions = {
     "VM.resume" : {
         type: "multiple",
         call: OCCI.VM.resume,
-        callback: updateVMStateCB,
+        callback: updateVMachineElement,
         elements: vmElements,
         error: onError,
         notify: true
@@ -196,7 +189,7 @@ var vm_actions = {
     "VM.stop" : {
         type: "multiple",
         call: OCCI.VM.stop,
-        callback: updateVMStateCB,
+        callback: updateVMachineElement,
         elements: vmElements,
         error: onError,
         notify: true
@@ -214,7 +207,7 @@ var vm_actions = {
     "VM.shutdown" : {
         type: "multiple",
         call: OCCI.VM.shutdown,
-        callback: updateVMStateCB,
+        callback: updateVMachineElement,
         elements: vmElements,
         error: onError,
         notify: true
@@ -223,7 +216,7 @@ var vm_actions = {
     "VM.cancel" : {
         type: "multiple",
         call: OCCI.VM.cancel,
-        callback: updateVMStateCB,
+        callback: updateVMachineElement,
         elements: vmElements,
         error: onError,
         notify: true
@@ -240,7 +233,7 @@ var vm_actions = {
     "VM.saveas" : {
         type: "single",
         call: OCCI.VM.saveas,
-        callback: updateVMStateCB,
+        callback: updateVMachineElement,
         error:onError
     },
 
@@ -259,7 +252,7 @@ var vm_actions = {
             };
             var options = "";
             for (var i = 0; i<response.length; i++){
-                var type = response[i].INSTANCE_TYPE.NAME;
+                var type = response[i].INSTANCE_TYPE.name;
                 options += '<option value="'+type+'">'+type+'</option>';
             };
             $('#dialog select#instance_type').html(options);
@@ -423,7 +416,7 @@ function vMachineElementArray(vm_json){
     return [
         '<input class="check_item" type="checkbox" id="vm_'+id+'" name="selected_items" value="'+id+'"/>',
         id,
-        name
+        VMStateBulletStr(vm_json) + name
     ];
 }
 
@@ -473,16 +466,15 @@ function updateVMachinesView(request, vmachine_list){
     $.each(vmachine_list,function(){
         el_array = vMachineElementArray(this);
         vmachine_list_array.push(el_array);
-        Sunstone.runAction("VM.showstate",el_array[1]);
     });
 
     updateView(vmachine_list_array,dataTable_vMachines);
     updateDashboard("vms",vmachine_list);
 };
 
-function updateVMStateCB(request,vm){
+function VMStateBulletStr(vm){
     var vm_state = vm.COMPUTE.STATE;
-    var state_html = vm_state;
+    var state_html = "";
     switch (vm_state) {
     case "INIT":
     case "PENDING":
@@ -499,13 +491,8 @@ function updateVMStateCB(request,vm){
         state_html = '<img style="display:inline-block;margin-right:5px;" src="images/red_bullet.png" alt="'+vm_state+'" title="'+vm_state+'"/>';
         break;
     };
-
-    var tag = 'input#vm_'+vm.COMPUTE.ID;
-    var array = vMachineElementArray(vm);
-    array[2] = state_html + array[2];
-    updateSingleElement(array,dataTable_vMachines,tag);
-};
-
+    return state_html;
+}
 
 // Refreshes the information panel for a VM
 function updateVMInfo(request,vm){
diff --git a/src/cloud/occi/lib/ui/templates/login.html b/src/cloud/occi/lib/ui/templates/login.html
index 82b80c0785..8bf6d0c005 100644
--- a/src/cloud/occi/lib/ui/templates/login.html
+++ b/src/cloud/occi/lib/ui/templates/login.html
@@ -3,7 +3,7 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <title>OpenNebula Self-Service Login</title>
     <link rel="stylesheet" type="text/css" href="css/login.css" />
-
+    <link rel="stylesheet" type="text/css" href="vendor/jQueryUI/jquery-ui-1.8.16.custom.css" />
     <!-- Vendor Libraries -->
     <script type="text/javascript" src="vendor/jQuery/jquery-1.7.1.min.js"></script>
     <script type="text/javascript" src="vendor/crypto-js/2.3.0-crypto-sha1.js"></script>
@@ -28,11 +28,7 @@
       <div id="logo_selfservice">
       </div>
 
-      <div id="auth_error" class="error_message">
-          Invalid username or password
-      </div>
-      <div id="one_error" class="error_message">
-          OpenNebula is not running
+      <div id="error_box" class="error_message ui-state-error ui-corner-all">
       </div>
 
       <form id="login_form">
@@ -46,7 +42,7 @@
                 <input type="checkbox" id="check_remember" />
                 <label id="label_remember" for="check_remember">Remember me</label>
                 <input type="submit" id="login_btn" value="" />
-
+                <img src="images/ajax-loader.gif" alt="retrieving" id="login_spinner" />
             </div>
         </div>
       </form>
diff --git a/src/cloud/occi/test/fixtures/compute/empty.xml b/src/cloud/occi/test/fixtures/compute/empty.xml
new file mode 100644
index 0000000000..17ef393d05
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/compute/empty.xml
@@ -0,0 +1 @@
+<COMPUTE_COLLECTION></COMPUTE_COLLECTION>
\ No newline at end of file
diff --git a/src/cloud/occi/test/fixtures/compute/first_compute.xml b/src/cloud/occi/test/fixtures/compute/first_compute.xml
new file mode 100644
index 0000000000..4824a2b00e
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/compute/first_compute.xml
@@ -0,0 +1,20 @@
+<COMPUTE href="http://localhost:4567/compute/0">
+  <ID>0</ID>
+  <USER href="http://localhost:4567/user/2" name="my_first_occi_user"/>
+  <GROUP>oneadmin</GROUP>
+  <CPU>1</CPU>
+  <MEMORY>1024</MEMORY>
+  <NAME>Compute</NAME>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/small">small</INSTANCE_TYPE>
+  <STATE>PENDING</STATE>
+  <DISK id="0">
+    <STORAGE href="http://localhost:4567/storage/0" name="Storage"/>
+    <TYPE>DISK</TYPE>
+    <TARGET>hde</TARGET>
+  </DISK>
+  <NIC>
+    <NETWORK href="http://localhost:4567/network/0" name="Network"/>
+    <IP>192.168.1.1</IP>
+    <MAC>02:00:c0:a8:01:01</MAC>
+  </NIC>
+</COMPUTE>
diff --git a/src/cloud/occi/test/fixtures/compute/first_compute_done.xml b/src/cloud/occi/test/fixtures/compute/first_compute_done.xml
new file mode 100644
index 0000000000..46bd2c8352
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/compute/first_compute_done.xml
@@ -0,0 +1,20 @@
+<COMPUTE href="http://localhost:4567/compute/0">
+  <ID>0</ID>
+  <USER href="http://localhost:4567/user/2" name="my_first_occi_user"/>
+  <GROUP>oneadmin</GROUP>
+  <CPU>1</CPU>
+  <MEMORY>1024</MEMORY>
+  <NAME>Compute</NAME>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/small">small</INSTANCE_TYPE>
+  <STATE>DONE</STATE>
+  <DISK id="0">
+    <STORAGE href="http://localhost:4567/storage/0" name="Storage"/>
+    <TYPE>DISK</TYPE>
+    <TARGET>hde</TARGET>
+  </DISK>
+  <NIC>
+    <NETWORK href="http://localhost:4567/network/0" name="Network"/>
+    <IP>192.168.1.1</IP>
+    <MAC>02:00:c0:a8:01:01</MAC>
+  </NIC>
+</COMPUTE>
diff --git a/src/cloud/occi/test/fixtures/compute/second_compute.xml b/src/cloud/occi/test/fixtures/compute/second_compute.xml
new file mode 100644
index 0000000000..ee057ed43e
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/compute/second_compute.xml
@@ -0,0 +1,20 @@
+<COMPUTE href="http://localhost:4567/compute/1">
+  <ID>1</ID>
+  <USER href="http://localhost:4567/user/3" name="my_second_occi_user"/>
+  <GROUP>users</GROUP>
+  <CPU>1</CPU>
+  <MEMORY>1024</MEMORY>
+  <NAME>Compute2</NAME>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/small">small</INSTANCE_TYPE>
+  <STATE>PENDING</STATE>
+  <DISK id="0">
+    <STORAGE href="http://localhost:4567/storage/1" name="Storage2"/>
+    <TYPE>DISK</TYPE>
+    <TARGET>hde</TARGET>
+  </DISK>
+  <NIC>
+    <NETWORK href="http://localhost:4567/network/1" name="Network2"/>
+    <IP>192.168.2.1</IP>
+    <MAC>02:00:c0:a8:02:01</MAC>
+  </NIC>
+</COMPUTE>
diff --git a/src/cloud/occi/test/fixtures/compute/second_compute_done.xml b/src/cloud/occi/test/fixtures/compute/second_compute_done.xml
new file mode 100644
index 0000000000..e73c28ba3b
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/compute/second_compute_done.xml
@@ -0,0 +1,20 @@
+<COMPUTE href="http://localhost:4567/compute/1">
+  <ID>1</ID>
+  <USER href="http://localhost:4567/user/3" name="my_second_occi_user"/>
+  <GROUP>users</GROUP>
+  <CPU>1</CPU>
+  <MEMORY>1024</MEMORY>
+  <NAME>Compute2</NAME>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/small">small</INSTANCE_TYPE>
+  <STATE>DONE</STATE>
+  <DISK id="0">
+    <STORAGE href="http://localhost:4567/storage/1" name="Storage2"/>
+    <TYPE>DISK</TYPE>
+    <TARGET>hde</TARGET>
+  </DISK>
+  <NIC>
+    <NETWORK href="http://localhost:4567/network/1" name="Network2"/>
+    <IP>192.168.2.1</IP>
+    <MAC>02:00:c0:a8:02:01</MAC>
+  </NIC>
+</COMPUTE>
diff --git a/src/cloud/occi/test/fixtures/instance_type/extended.xml b/src/cloud/occi/test/fixtures/instance_type/extended.xml
new file mode 100644
index 0000000000..f774763320
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/instance_type/extended.xml
@@ -0,0 +1,20 @@
+<INSTANCE_TYPE_COLLECTION>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/large" name="large">
+    <ID>large</ID>
+    <NAME>large</NAME>
+    <CPU>8</CPU>
+    <MEMORY>8192</MEMORY>
+  </INSTANCE_TYPE>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/medium" name="medium">
+    <ID>medium</ID>
+    <NAME>medium</NAME>
+    <CPU>4</CPU>
+    <MEMORY>4096</MEMORY>
+  </INSTANCE_TYPE>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/small" name="small">
+    <ID>small</ID>
+    <NAME>small</NAME>
+    <CPU>1</CPU>
+    <MEMORY>1024</MEMORY>
+  </INSTANCE_TYPE>
+</INSTANCE_TYPE_COLLECTION>
diff --git a/src/cloud/occi/test/fixtures/instance_type/list.xml b/src/cloud/occi/test/fixtures/instance_type/list.xml
new file mode 100644
index 0000000000..135ae70491
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/instance_type/list.xml
@@ -0,0 +1,5 @@
+<INSTANCE_TYPE_COLLECTION>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/large" name="large"/>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/medium" name="medium"/>
+  <INSTANCE_TYPE href="http://localhost:4567/instance_type/small" name="small"/>
+</INSTANCE_TYPE_COLLECTION>
diff --git a/src/cloud/occi/test/fixtures/network/empty.xml b/src/cloud/occi/test/fixtures/network/empty.xml
new file mode 100644
index 0000000000..c96d82e6ed
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/network/empty.xml
@@ -0,0 +1 @@
+<NETWORK_COLLECTION></NETWORK_COLLECTION>
\ No newline at end of file
diff --git a/src/cloud/occi/test/fixtures/network/first_net.xml b/src/cloud/occi/test/fixtures/network/first_net.xml
new file mode 100644
index 0000000000..24b388783d
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/network/first_net.xml
@@ -0,0 +1,11 @@
+<NETWORK href="http://localhost:4567/network/0">
+  <ID>0</ID>
+  <NAME>Network</NAME>
+  <USER href="http://localhost:4567/user/2" name="my_first_occi_user"/>
+  <GROUP>oneadmin</GROUP>
+  <DESCRIPTION>Network of the user my_first_occi_user</DESCRIPTION>
+  <ADDRESS>192.168.1.1</ADDRESS>
+  <SIZE>125</SIZE>
+  <USED_LEASES>0</USED_LEASES>
+  <PUBLIC>NO</PUBLIC>
+</NETWORK>
diff --git a/src/cloud/occi/test/fixtures/network/second_net.xml b/src/cloud/occi/test/fixtures/network/second_net.xml
new file mode 100644
index 0000000000..9cad2d9594
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/network/second_net.xml
@@ -0,0 +1,11 @@
+<NETWORK href="http://localhost:4567/network/1">
+  <ID>1</ID>
+  <NAME>Network2</NAME>
+  <USER href="http://localhost:4567/user/3" name="my_second_occi_user"/>
+  <GROUP>users</GROUP>
+  <DESCRIPTION>Network of the user my_second_occi_user</DESCRIPTION>
+  <ADDRESS>192.168.2.1</ADDRESS>
+  <SIZE>125</SIZE>
+  <USED_LEASES>0</USED_LEASES>
+  <PUBLIC>NO</PUBLIC>
+</NETWORK>
diff --git a/src/cloud/occi/test/fixtures/root.xml b/src/cloud/occi/test/fixtures/root.xml
new file mode 100644
index 0000000000..38843f0418
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/root.xml
@@ -0,0 +1,7 @@
+<COLLECTIONS>
+  <COMPUTE_COLLECTION href="http://localhost:4567/compute"/>
+  <INSTANCE_TYPE_COLLECTION href="http://localhost:4567/instance_type"/>
+  <NETWORK_COLLECTION href="http://localhost:4567/network"/>
+  <STORAGE_COLLECTION href="http://localhost:4567/storage"/>
+  <USER_COLLECTION href="http://localhost:4567/user"/>
+</COLLECTIONS>
diff --git a/src/cloud/occi/test/fixtures/storage/empty.xml b/src/cloud/occi/test/fixtures/storage/empty.xml
new file mode 100644
index 0000000000..622d314777
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/storage/empty.xml
@@ -0,0 +1 @@
+<STORAGE_COLLECTION></STORAGE_COLLECTION>
\ No newline at end of file
diff --git a/src/cloud/occi/test/fixtures/storage/first_storage.xml b/src/cloud/occi/test/fixtures/storage/first_storage.xml
new file mode 100644
index 0000000000..c24bea57ae
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/storage/first_storage.xml
@@ -0,0 +1,13 @@
+<STORAGE href="http://localhost:4567/storage/0">
+  <ID>0</ID>
+  <NAME>Storage</NAME>
+  <USER href="http://localhost:4567/user/2" name="my_first_occi_user"/>
+  <GROUP>oneadmin</GROUP>
+  <STATE>READY</STATE>
+  <TYPE>DATABLOCK</TYPE>
+  <DESCRIPTION>Storage of the user my_first_occi_user</DESCRIPTION>
+  <SIZE>100</SIZE>
+  <FSTYPE>ext3</FSTYPE>
+  <PUBLIC>NO</PUBLIC>
+  <PERSISTENT>NO</PERSISTENT>
+</STORAGE>
diff --git a/src/cloud/occi/test/fixtures/storage/second_storage.xml b/src/cloud/occi/test/fixtures/storage/second_storage.xml
new file mode 100644
index 0000000000..defd5b1a56
--- /dev/null
+++ b/src/cloud/occi/test/fixtures/storage/second_storage.xml
@@ -0,0 +1,13 @@
+<STORAGE href="http://localhost:4567/storage/1">
+  <ID>1</ID>
+  <NAME>Storage2</NAME>
+  <USER href="http://localhost:4567/user/3" name="my_second_occi_user"/>
+  <GROUP>users</GROUP>
+  <STATE>READY</STATE>
+  <TYPE>DATABLOCK</TYPE>
+  <DESCRIPTION>Storage of the user my_second_occi_user</DESCRIPTION>
+  <SIZE>100</SIZE>
+  <FSTYPE>ext3</FSTYPE>
+  <PUBLIC>NO</PUBLIC>
+  <PERSISTENT>NO</PERSISTENT>
+</STORAGE>
diff --git a/src/cloud/occi/test/spec/occi_spec.rb b/src/cloud/occi/test/spec/occi_spec.rb
new file mode 100644
index 0000000000..ba35ae94dd
--- /dev/null
+++ b/src/cloud/occi/test/spec/occi_spec.rb
@@ -0,0 +1,283 @@
+# -------------------------------------------------------------------------- #
+# Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org)             #
+#                                                                            #
+# Licensed under the Apache License, Version 2.0 (the "License"); you may    #
+# not use this file except in compliance with the License. You may obtain    #
+# a copy of the License at                                                   #
+#                                                                            #
+# http://www.apache.org/licenses/LICENSE-2.0                                 #
+#                                                                            #
+# Unless required by applicable law or agreed to in writing, software        #
+# distributed under the License is distributed on an "AS IS" BASIS,          #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+# See the License for the specific language governing permissions and        #
+# limitations under the License.                                             #
+#--------------------------------------------------------------------------- #
+
+require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+
+# The following methods are helpers defined in spec_helper
+# 	- compare_xml
+# 	- get_fixture
+# 	- network_template
+# 	- storage_template
+# 	- compute_template
+
+describe 'OCCI  tests' do
+	before(:all) do
+		@user_oneadmin  = "my_first_occi_user"
+		`oneuser create #{@user_oneadmin} my_pass`.scan(/^ID: (\d+)/) { |uid|
+			`oneuser show #{uid.first}`.scan(/PASSWORD\s*:\s*(\w*)/) { |password|
+				@user_pass =  password.first.strip
+			}
+
+			`oneuser chgrp #{uid.first} 0`
+		}
+
+		@user_users  = "my_second_occi_user"
+		`oneuser create #{@user_users} my_pass2`.scan(/^ID: (\d+)/) { |uid|
+			`oneuser show #{uid.first}`.scan(/PASSWORD\s*:\s*(\w*)/) { |password|
+				@user_pass2 =  password.first.strip
+			}
+		}
+
+		# Define BRIDGE attirbute in network.erb, otherwise the NETWORK creation will 
+		`sed -i.bck "s%^#\\(BRIDGE = \\).*$%\\1 br0%" $ONE_LOCATION/etc/occi_templates/network.erb`
+	end
+
+	describe "with a user of the oneadmin group" do
+		before(:each) do
+			basic_authorize(@user_oneadmin, @user_pass)
+		end
+
+		it "should retrieve the list of collections" do
+			get '/'
+			compare_xml(last_response.body, get_fixture('/root.xml'))
+			last_response.status.should == 200
+		end
+
+		it "should retrieve the list of INSTANCE_TYPEs" do
+			get '/instance_type'
+			compare_xml(last_response.body, get_fixture('/instance_type/list.xml'))
+			last_response.status.should == 200
+		end
+
+		it "should retrieve the extended list of INSTANCE_TYPEs" do
+			get '/instance_type', {'verbose'=>true}
+			compare_xml(last_response.body, get_fixture('/instance_type/extended.xml'))
+			last_response.status.should == 200
+		end
+
+		context "for NETWORK" do
+			it "should retrieve the empty list" do
+				get '/network'
+				compare_xml(last_response.body, get_fixture('/network/empty.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should create a new NETWORK" do
+				network = {
+					:name 		 => "Network",
+					:description => "Network of the user #{@user_oneadmin}",
+					:address	 => "192.168.1.0",
+					:size		 => "100",
+					:pubic	     => "YES"
+				}
+
+				post '/network', network_template(network)
+				compare_xml(last_response.body, get_fixture('/network/first_net.xml'))
+				last_response.status.should == 201
+			end
+
+			it "should retrieve the NETWORK with ID 0" do
+				get '/network/0'
+				compare_xml(last_response.body, get_fixture('/network/first_net.xml'))
+				last_response.status.should == 200
+			end
+		end
+
+		context "for STORAGE" do
+			it "should retrieve the empty list" do
+				get '/storage'
+				compare_xml(last_response.body, get_fixture('/storage/empty.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should create a new STORAGE, type DATABLOCK. This request waits until the IMAGE is ready in OpenNebula" do
+				storage = {
+					:name 		 => "Storage",
+					:description => "Storage of the user #{@user_oneadmin}",
+					:type   	 => "DATABLOCK",
+					:size		 => "100",
+					:fstype	     => "ext3"
+				}
+
+				post '/storage', {'occixml' => storage_template(storage)}
+				compare_xml(last_response.body, get_fixture('/storage/first_storage.xml'))
+				last_response.status.should == 201
+			end
+
+			it "should retrieve the STORAGE with ID 0" do
+				get '/storage/0'
+				compare_xml(last_response.body, get_fixture('/storage/first_storage.xml'))
+				last_response.status.should == 200
+			end
+		end
+
+		context "for COMPUTE" do
+			it "should retrieve the empty list" do
+				get '/compute'
+				compare_xml(last_response.body, get_fixture('/compute/empty.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should create a new COMPUTE using the previous NETWORK (ID=0) and STORAGE(ID=0)" do
+				compute = {
+					:name 		   => "Compute",
+					:instance_type => "small",
+					:disk          => [ {:storage => '0'} ],
+					:nic           => [ {:network => '0'} ]
+				}
+
+				post '/compute', compute_template(compute)
+				compare_xml(last_response.body, get_fixture('/compute/first_compute.xml'))
+				last_response.status.should == 201
+			end
+
+			it "should retrieve the COMPUTE with ID 0" do
+				get '/compute/0'
+				compare_xml(last_response.body, get_fixture('/compute/first_compute.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should terminate (DONE) the COMPUTE with ID 0" do
+				compute = {
+					:id    => "0",
+					:state => "DONE"
+				}
+
+				put '/compute/0', compute_action(compute)
+				compare_xml(last_response.body, get_fixture('/compute/first_compute_done.xml'))
+				last_response.status.should == 202
+			end
+		end
+	end
+
+	describe "with a user of the users group" do
+		before(:each) do
+			basic_authorize(@user_users, @user_pass2)
+		end
+
+		it "should retrieve the list of collections" do
+			get '/'
+			compare_xml(last_response.body, get_fixture('/root.xml'))
+			last_response.status.should == 200
+		end
+
+		it "should retrieve the list of INSTANCE_TYPEs" do
+			get '/instance_type'
+			compare_xml(last_response.body, get_fixture('/instance_type/list.xml'))
+			last_response.status.should == 200
+		end
+
+		it "should retrieve the extended list of INSTANCE_TYPEs" do
+			get '/instance_type', {'verbose'=>true}
+			compare_xml(last_response.body, get_fixture('/instance_type/extended.xml'))
+			last_response.status.should == 200
+		end
+
+		context "for NETWORK" do
+			it "should retrieve the empty list" do
+				get '/network'
+				compare_xml(last_response.body, get_fixture('/network/empty.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should create a new NETWORK" do
+				network = {
+					:name 		 => "Network2",
+					:description => "Network of the user #{@user_users}",
+					:address	 => "192.168.2.0",
+					:size		 => "100",
+					:pubic	     => "YES"
+				}
+
+				post '/network', network_template(network)
+				compare_xml(last_response.body, get_fixture('/network/second_net.xml'))
+				last_response.status.should == 201
+			end
+
+			it "should retrieve the NETWORK with ID 1" do
+				get '/network/1'
+				compare_xml(last_response.body, get_fixture('/network/second_net.xml'))
+				last_response.status.should == 200
+			end
+		end
+
+		context "for STORAGE" do
+			it "should retrieve the empty list" do
+				get '/storage'
+				compare_xml(last_response.body, get_fixture('/storage/empty.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should create a new STORAGE, type DATABLOCK. This request waits until the IMAGE is ready in OpenNebula" do
+				storage = {
+					:name 		 => "Storage2",
+					:description => "Storage of the user #{@user_users}",
+					:type   	 => "DATABLOCK",
+					:size		 => "100",
+					:fstype	     => "ext3"
+				}
+
+				post '/storage', {'occixml' => storage_template(storage)}
+				compare_xml(last_response.body, get_fixture('/storage/second_storage.xml'))
+				last_response.status.should == 201
+			end
+
+			it "should retrieve the STORAGE with ID 1" do
+				get '/storage/1'
+				compare_xml(last_response.body, get_fixture('/storage/second_storage.xml'))
+				last_response.status.should == 200
+			end
+		end
+
+		context "for COMPUTE" do
+			it "should retrieve the empty list" do
+				get '/compute'
+				compare_xml(last_response.body, get_fixture('/compute/empty.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should create a new COMPUTE using the previous NETWORK (ID=1) and STORAGE(ID=1)" do
+				compute = {
+					:name 		   => "Compute2",
+					:instance_type => "small",
+					:disk          => [ {:storage => '1'} ],
+					:nic           => [ {:network => '1'} ]
+				}
+
+				post '/compute', compute_template(compute)
+				compare_xml(last_response.body, get_fixture('/compute/second_compute.xml'))
+				last_response.status.should == 201
+			end
+
+			it "should retrieve the COMPUTE with ID 1" do
+				get '/compute/1'
+				compare_xml(last_response.body, get_fixture('/compute/second_compute.xml'))
+				last_response.status.should == 200
+			end
+
+			it "should terminate (DONE) the COMPUTE with ID 1" do
+				compute = {
+					:id    => "1",
+					:state => "DONE"
+				}
+
+				put '/compute/1', compute_action(compute)
+				compare_xml(last_response.body, get_fixture('/compute/second_compute_done.xml'))
+				last_response.status.should == 202
+			end
+		end
+	end
+end
\ No newline at end of file
diff --git a/src/cloud/occi/test/spec/spec.opts b/src/cloud/occi/test/spec/spec.opts
new file mode 100644
index 0000000000..ad561bd258
--- /dev/null
+++ b/src/cloud/occi/test/spec/spec.opts
@@ -0,0 +1,4 @@
+--colour
+--format progress
+--loadby mtime
+--reverse
\ No newline at end of file
diff --git a/src/cloud/occi/test/spec/spec_helper.rb b/src/cloud/occi/test/spec/spec_helper.rb
index b2a2917a97..0d7423a2fc 100644
--- a/src/cloud/occi/test/spec/spec_helper.rb
+++ b/src/cloud/occi/test/spec/spec_helper.rb
@@ -24,6 +24,8 @@ require 'rubygems'
 require 'rspec'
 require 'rack/test'
 
+require 'rexml/document'
+
 # Load the Sinatra app
 require 'occi-server'
 
@@ -39,3 +41,153 @@ set :environment, :test
 def app
     Sinatra::Application
 end
+
+
+
+def get_fixture(path)
+	File.read(FIXTURES_PATH + path).strip
+end
+
+
+def compare_xml(a, b)
+	a = REXML::Document.new(a.to_s)
+	b = REXML::Document.new(b.to_s)
+
+	normalized = Class.new(REXML::Formatters::Pretty) do
+	  	def write_text(node, output)
+	    	super(node.to_s.strip, output)
+	  	end
+	end
+
+	normalized.new(indentation=0,ie_hack=false).write(node=a, a_normalized='')
+	normalized.new(indentation=0,ie_hack=false).write(node=b, b_normalized='')
+
+	a_normalized.should == b_normalized
+end
+
+
+OCCI_NETWORK = %q{
+    <NETWORK>
+        <% if hash[:name] %>
+        <NAME><%= hash[:name] %></NAME>
+        <% end %>
+
+        <% if hash[:description] %>
+        <DESCRIPTION><%= hash[:description] %></DESCRIPTION>
+        <% end %>
+
+        <% if hash[:address] %>
+        <ADDRESS><%= hash[:address] %></ADDRESS>
+        <% end %>
+
+        <% if hash[:size] %>
+        <SIZE><%= hash[:size] %></SIZE>
+        <% end %>
+
+        <% if hash[:public] %>
+        <PUBLIC><%= hash[:public] %></PUBLIC>
+        <% end %>
+    </NETWORK>
+}
+
+def network_template(hash)
+    ERB.new(OCCI_NETWORK).result(binding)
+end
+
+OCCI_IMAGE = %q{
+    <STORAGE>
+        <% if hash[:name] %>
+        <NAME><%= hash[:name] %></NAME>
+        <% end %>
+
+        <% if hash[:type] %>
+        <TYPE><%= hash[:type] %></TYPE>
+        <% end %>
+
+        <% if hash[:description] %>
+        <DESCRIPTION><%= hash[:description] %></DESCRIPTION>
+        <% end %>
+
+        <% if hash[:size] %>
+        <SIZE><%= hash[:size] %></SIZE>
+        <% end %>
+
+        <% if hash[:fstype] %>
+        <FSTYPE><%= hash[:fstype] %></FSTYPE>
+        <% end %>
+
+        <% if hash[:public] %>
+        <PUBLIC><%= hash[:public] %></PUBLIC>
+        <% end %>
+
+        <% if hash[:persistent] %>
+        <PERSISTENT><%= hash[:persistent] %></PERSISTENT>
+        <% end %>
+    </STORAGE>
+}
+
+def storage_template(hash)
+    ERB.new(OCCI_IMAGE).result(binding)
+end
+
+OCCI_VM = %q{
+    <COMPUTE>
+        <% if hash[:name] %>
+        <NAME><%= hash[:name] %></NAME>
+        <% end %>
+
+    	<% if hash[:instance_type] %>
+    	<INSTANCE_TYPE href="http://localhost:4567/instance_type/<%= hash[:instance_type] %>"/>
+    	<% end %>
+
+        <% if hash[:disk] %>
+       	<% hash[:disk].each { |disk| %>
+        <DISK>
+        	<% if disk[:storage] %>
+        	<STORAGE href="http://localhost:4567/storage/<%= disk[:storage] %>"/>
+        	<% end %>
+        </DISK>
+        <% } %>
+        <% end %>
+
+        <% if hash[:nic] %>
+       	<% hash[:nic].each { |nic| %>
+        <NIC>
+        	<% if nic[:network] %>
+        	<NETWORK href="http://localhost:4567/network/<%= nic[:network] %>"/>
+        	<% end %>
+        	<% if nic[:ip] %>
+        	<IP><%= nic[:ip] %></IP>
+        	<% end %>
+        </NIC>
+        <% } %>
+        <% end %>
+
+        <% if hash[:context] %>
+        <CONTEXT>
+        <% hash[:context].each { |key, value| %>
+        	<<%= key.to_s.upcase %>><%= value %></<%= key.to_s.upcase %>>
+        <% } %>
+        </CONTEXT>
+        <% end %>
+    </COMPUTE>
+}
+
+OCCI_VM_ACTION = %q{
+    <COMPUTE>
+        <% if hash[:id] %>
+        <ID><%= hash[:id] %></ID>
+        <% end %>
+        <% if hash[:state] %>
+        <STATE><%= hash[:state] %></STATE>
+        <% end %>
+    </COMPUTE>
+}
+
+def compute_template(hash)
+    ERB.new(OCCI_VM).result(binding)
+end
+
+def compute_action(hash)
+    ERB.new(OCCI_VM_ACTION).result(binding)
+end
diff --git a/src/im_mad/remotes/vmware.d/vmware.rb b/src/im_mad/remotes/vmware.d/vmware.rb
index b4c061656c..ea6920571e 100755
--- a/src/im_mad/remotes/vmware.d/vmware.rb
+++ b/src/im_mad/remotes/vmware.d/vmware.rb
@@ -106,7 +106,7 @@ conf  = YAML::load(File.read(CONF_FILE))
 rc, data = do_action("virsh -c #{@uri} --readonly nodeinfo")
 
 if rc == false
-    exit info
+    exit data
 end
 
 data.split(/\n/).each{|line|
diff --git a/src/ozones/Server/bin/ozones-server b/src/ozones/Server/bin/ozones-server
index 7d71a28d8f..9a637cafbb 100755
--- a/src/ozones/Server/bin/ozones-server
+++ b/src/ozones/Server/bin/ozones-server
@@ -19,14 +19,14 @@
 if [ -z "$ONE_LOCATION" ]; then
     OZONES_PID=/var/run/one/ozones.pid
     OZONES_LOCATION=/usr/lib/one/ozones
-    OZONES_SERVER=$OZONES_LOCATION/config.ru
+    OZONES_SERVER=$OZONES_LOCATION/ozones-server.rb
     OZONES_LOCK_FILE=/var/lock/one/.ozones.lock
     OZONES_LOG=/var/log/one/ozones-server.log
     OZONES_CONF=/etc/one/ozones-server.conf
 else
     OZONES_PID=$ONE_LOCATION/var/ozones.pid
     OZONES_LOCATION=$ONE_LOCATION/lib/ozones
-    OZONES_SERVER=$OZONES_LOCATION/config.ru
+    OZONES_SERVER=$OZONES_LOCATION/ozones-server.rb
     OZONES_LOCK_FILE=$ONE_LOCATION/var/.ozones.lock
     OZONES_LOG=$ONE_LOCATION/var/ozones-server.log
     OZONES_CONF=$ONE_LOCATION/etc/ozones-server.conf
@@ -58,29 +58,26 @@ start()
     exit 1
   fi
 
-  HOST=`cat $OZONES_CONF|grep ^\:host\:|cut -d' ' -f 2`
-  PORT=`cat $OZONES_CONF|grep ^\:port\:|cut -d' ' -f 2`
-
-  lsof -i:$PORT  &> /dev/null
-  if [ $? -eq 0 ]; then
-    echo "The port $PORT is being used. Please specify a different one."
-    exit 1
-  fi
-
   # Start the ozones daemon
   touch $OZONES_LOCK_FILE
-  rackup $OZONES_SERVER -s thin -p $PORT -o $HOST \
-                  -P $OZONES_PID &> $OZONES_LOG &
+  ruby $OZONES_SERVER > $OZONES_LOG 2>&1 &
+  LASTPID=$!
+  if [ $? -ne 0 ]; then
+    echo "Error executing $OZONES_SERVER, please check the log $OZONES_LOG"
+    exit 1
+  else
+      echo $LASTPID > $OZONES_PID
+  fi
 
   sleep 2
-  ps -p $(cat $OZONES_PID 2>/dev/null) > /dev/null 2>&1
+  ps $LASTPID &> /dev/null
 
   if [ $? -ne 0 ]; then
     echo "Error executing $OZONES_SERVER, please check the log $OZONES_LOG"
     exit 1
   fi
 
-  echo "ozones-server listening on $HOST:$PORT"
+  echo "ozones-server started"
 }
 
 #
diff --git a/src/ozones/Server/config.ru b/src/ozones/Server/config.ru
deleted file mode 100644
index b5e2604dee..0000000000
--- a/src/ozones/Server/config.ru
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/usr/bin/ruby
-
-# -------------------------------------------------------------------------- #
-# Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org)             #
-#                                                                            #
-# Licensed under the Apache License, Version 2.0 (the "License"); you may    #
-# not use this file except in compliance with the License. You may obtain    #
-# a copy of the License at                                                   #
-#                                                                            #
-# http://www.apache.org/licenses/LICENSE-2.0                                 #
-#                                                                            #
-# Unless required by applicable law or agreed to in writing, software        #
-# distributed under the License is distributed on an "AS IS" BASIS,          #
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
-# See the License for the specific language governing permissions and        #
-# limitations under the License.                                             #
-#--------------------------------------------------------------------------- #
-
-$: << File.dirname(__FILE__)
-
-require 'ozones-server.rb'
-
-run Sinatra::Application
diff --git a/src/ozones/Server/etc/ozones-server.conf b/src/ozones/Server/etc/ozones-server.conf
index 022158205e..1fa3f0695b 100644
--- a/src/ozones/Server/etc/ozones-server.conf
+++ b/src/ozones/Server/etc/ozones-server.conf
@@ -19,13 +19,17 @@
 ##############################################
 
 ######################
-# DB Options 
+# DB Options
 ######################
 
 :databasetype: sqlite
+#:databaseserver: dbuser:dbpassword@localhost
 #:htaccess: /var/www/.htaccess
 :dbdebug: no
 
+# 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG
+:debug_level: 3
+
 #####################
 # Server Configuration
 #####################
diff --git a/src/ozones/Server/lib/OZones/ApacheWritter.rb b/src/ozones/Server/lib/OZones/ApacheWritter.rb
index 327874a2e4..ca3ae1fdd3 100644
--- a/src/ozones/Server/lib/OZones/ApacheWritter.rb
+++ b/src/ozones/Server/lib/OZones/ApacheWritter.rb
@@ -28,12 +28,20 @@ module OZones
                 zone.vdcs.all.each{|vdc|
                     htaccess << "RewriteRule ^#{vdc.NAME} " +
                     "#{zone.ENDPOINT} [P]\n"
+
                     if zone.SUNSENDPOINT != nil
                         htaccess << "RewriteRule ^sunstone_#{vdc.NAME}/(.+) " +
                             "#{zone.SUNSENDPOINT}/$1 [P]\n"
                         htaccess << "RewriteRule ^sunstone_#{vdc.NAME} " +
                             "#{zone.SUNSENDPOINT}/ [P]\n"
                     end
+
+                    if zone.SELFENDPOINT != nil
+                        htaccess << "RewriteRule ^self_#{vdc.NAME}/(.+) " +
+                            "#{zone.SELFENDPOINT}/$1 [P]\n"
+                        htaccess << "RewriteRule ^self_#{vdc.NAME} " +
+                            "#{zone.SELFENDPOINT}/ [P]\n"
+                    end
                 }
             }
 
diff --git a/src/ozones/Server/lib/OZones/Zones.rb b/src/ozones/Server/lib/OZones/Zones.rb
index 5c1230945f..6e9aae9db7 100644
--- a/src/ozones/Server/lib/OZones/Zones.rb
+++ b/src/ozones/Server/lib/OZones/Zones.rb
@@ -30,6 +30,7 @@ module OZones
         property :ONEPASS,      String, :required => true
         property :ENDPOINT,     String, :required => true
         property :SUNSENDPOINT, String
+        property :SELFENDPOINT, String        
 
         has n,   :vdcs
 
diff --git a/src/ozones/Server/models/OzonesServer.rb b/src/ozones/Server/models/OzonesServer.rb
index 835d78b8f9..1b43ba887b 100644
--- a/src/ozones/Server/models/OzonesServer.rb
+++ b/src/ozones/Server/models/OzonesServer.rb
@@ -14,13 +14,16 @@
 # limitations under the License.                                             #
 #--------------------------------------------------------------------------- #
 
+require 'CloudServer'
+
 require 'JSONUtils'
 
 
-class OzonesServer
+class OzonesServer < CloudServer
     include OpenNebulaJSON::JSONUtils
 
-    def initialize(cipher)
+    def initialize(cipher, config, logger)
+        super(config, logger)
         #Set cipher for Zone classes
         OZones::Zones.cipher = cipher
     end
diff --git a/src/ozones/Server/ozones-server.rb b/src/ozones/Server/ozones-server.rb
index 84dc77d9b7..70eb42323a 100755
--- a/src/ozones/Server/ozones-server.rb
+++ b/src/ozones/Server/ozones-server.rb
@@ -19,19 +19,25 @@
 ONE_LOCATION=ENV["ONE_LOCATION"]
 
 if !ONE_LOCATION
-    ETC_LOCATION="/etc/one"
-    LIB_LOCATION="/usr/lib/one"
-    RUBY_LIB_LOCATION="/usr/lib/one/ruby"
-    VAR_LOCATION="/var/lib/one"
+    LOG_LOCATION = "/var/log/one"
+    VAR_LOCATION = "/var/lib/one"
+    ETC_LOCATION = "/etc/one"
+    LIB_LOCATION = "/usr/lib/one"
+    RUBY_LIB_LOCATION = "/usr/lib/one/ruby"
 else
-    ETC_LOCATION=ONE_LOCATION+"/etc"
-    LIB_LOCATION=ONE_LOCATION+"/lib"
-    RUBY_LIB_LOCATION=ONE_LOCATION+"/lib/ruby"
-    VAR_LOCATION=ONE_LOCATION+"/var"
+    VAR_LOCATION = ONE_LOCATION + "/var"
+    LOG_LOCATION = ONE_LOCATION + "/var"
+    ETC_LOCATION = ONE_LOCATION + "/etc"
+    LIB_LOCATION = ONE_LOCATION+"/lib"
+    RUBY_LIB_LOCATION = ONE_LOCATION+"/lib/ruby"
 end
 
+OZONES_LOG         = LOG_LOCATION + "/ozones-server.log"
+CONFIGURATION_FILE = ETC_LOCATION + "/ozones-server.conf"
+
 $: << LIB_LOCATION + "/sunstone/models"
 $: << RUBY_LIB_LOCATION
+$: << RUBY_LIB_LOCATION+'/cloud'
 $: << LIB_LOCATION+'/ozones/models'
 $: << LIB_LOCATION+'/ozones/lib'
 $: << RUBY_LIB_LOCATION+"/cli"
@@ -52,12 +58,46 @@ require 'OzonesServer'
 ##############################################################################
 # Read configuration
 ##############################################################################
-config_data=File.read(ETC_LOCATION+'/ozones-server.conf')
-config=YAML::load(config_data)
+begin
+    config=YAML::load_file(CONFIGURATION_FILE)
+rescue Exception => e
+    warn "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
+    exit 1
+end
+
+config[:debug_level] ||= 3
+
+CloudServer.print_configuration(config)
 
 db_type = config[:databasetype]
 
-db_url = db_type + "://" + VAR_LOCATION + "/ozones.db"
+case db_type
+    when "sqlite" then
+        db_url = db_type + "://" + VAR_LOCATION + "/ozones.db"
+    when "mysql","postgres" then
+        if config[:databaseserver].nil?
+            warn "DB server needed for this type of DB backend"
+            exit -1
+        end
+
+        db_url = db_type + "://" + config[:databaseserver] + "/ozones"
+    else 
+        warn "DB type #{db_type} not recognized"
+        exit -1
+end
+
+##############################################################################
+# Sinatra Configuration
+##############################################################################
+set :config, config
+set :bind, config[:host]
+set :port, config[:port]
+
+use Rack::Session::Pool, :key => 'ozones'
+
+#Enable logger
+include CloudLogger
+enable_logging OZONES_LOG, settings.config[:debug_level].to_i
 
 ##############################################################################
 # DB bootstrapping
@@ -79,7 +119,7 @@ if Auth.all.size == 0
         credentials = IO.read(ENV['OZONES_AUTH']).strip.split(':')
 
         if credentials.length < 2
-            warn "Authorization data malformed"
+            settings.logger.error {"Authorization data malformed"}
             exit -1
         end
         credentials[1] = Digest::SHA1.hexdigest(credentials[1])
@@ -87,7 +127,8 @@ if Auth.all.size == 0
                            :password => credentials[1]})
         @auth.save
     else
-        warn "oZones admin credentials not set, missing OZONES_AUTH file."
+        error_m = "oZones admin credentials not set, missing OZONES_AUTH file."
+        settings.logger.error { error_m }
         exit -1
     end
 else
@@ -100,19 +141,10 @@ ADMIN_PASS = @auth.password
 begin
     OZones::ProxyRules.new("apache",config[:htaccess])
 rescue Exception => e
-    warn e.message
+    settings.logger {e.message}
     exit -1
 end
 
-
-##############################################################################
-# Sinatra Configuration
-##############################################################################
-use Rack::Session::Pool, :key => 'ozones'
-set :bind, config[:host]
-set :port, config[:port]
-set :show_exceptions, false
-
 ##############################################################################
 # Helpers
 ##############################################################################
@@ -144,10 +176,11 @@ helpers do
 
                 return [204, ""]
             else
+                logger.info {"User not authorized login attempt"}
                 return [401, ""]
             end
         end
-
+        logger.error {"Authentication settings wrong or not provided"}
         return [401, ""]
     end
 
@@ -168,7 +201,9 @@ before do
             end
         end
 
-        @OzonesServer = OzonesServer.new(session[:key])
+        @OzonesServer = OzonesServer.new(session[:key],
+                                         settings.config,
+                                         settings.logger)
         @pr           = OZones::ProxyRules.new("apache",config[:htaccess])
     end
 end
diff --git a/src/ozones/Server/public/css/login.css b/src/ozones/Server/public/css/login.css
index 1ea3b09872..217c8c12ca 100644
--- a/src/ozones/Server/public/css/login.css
+++ b/src/ozones/Server/public/css/login.css
@@ -133,12 +133,19 @@ div#login input#login_btn:hover {
 }
 
 .error_message {
+    width: 400px;
+    margin-left: auto;
+    margin-right: auto;
   display: none;
   position: relative;
   top: 80px;
-  font-family: Arial, Helvetica, sans-serif;
-  color:red;
-  font-size:1.6em;
+  font-size:1.0em;
+}
+
+#login_spinner {
+    left: 44px;
+    position: relative;
+    top: 2px;
 }
 
 #label_remember {
diff --git a/src/ozones/Server/public/js/login.js b/src/ozones/Server/public/js/login.js
index 70b26a3011..1ddc1ecd61 100644
--- a/src/ozones/Server/public/js/login.js
+++ b/src/ozones/Server/public/js/login.js
@@ -23,15 +23,21 @@ function auth_error(req, error){
     var status = error.error.http_status;
 
     switch (status){
-        case 401:
-            $("#one_error").hide();
-            $("#auth_error").fadeIn("slow");
-            break;
-        case 500:
-            $("#auth_error").hide();
-            $("#one_error").fadeIn("slow");
-            break;
-    }
+    case 401:
+        $("#error_box").text("Invalid username or password");
+        break;
+    case 500:
+        $("#error_box").text("OpenNebula is not running or there was a server exception. Please check the server logs.");
+        break;
+    case 0:
+        $("#error_box").text("No answer from server. Is it running?");
+        break;
+    default:
+        $("#error_box").text("Unexpected error. Status "+status+". Check the server logs.");
+
+    };
+    $("#error_box").fadeIn("slow");
+    $("#login_spinner").hide();
 }
 
 function authenticate(){
@@ -39,6 +45,9 @@ function authenticate(){
     var password = $("#password").val();
     var remember = $("#check_remember").is(":checked");
 
+    $("#error_box").fadeOut("slow");
+    $("#login_spinner").show();
+
     oZones.Auth.login({ data: {username: username
                                     , password: password}
                             , remember: remember
@@ -61,4 +70,5 @@ $(document).ready(function(){
     };
 
     $("input#username.box").focus();
+    $("#login_spinner").hide();
 });
diff --git a/src/ozones/Server/public/js/plugins/vdcs-tab.js b/src/ozones/Server/public/js/plugins/vdcs-tab.js
index 2077aa5e2e..d03b75c7f8 100644
--- a/src/ozones/Server/public/js/plugins/vdcs-tab.js
+++ b/src/ozones/Server/public/js/plugins/vdcs-tab.js
@@ -516,6 +516,10 @@ function setupCreateVDCDialog(){
 
 function openCreateVDCDialog(){
     var dialog = $('div#create_vdc_dialog')
+    if (!zones_select){
+        notifyError(tr("No zones defined: You need to create at least 1 zone before creating an VDC"));
+        return false;
+    };
     $('select#zoneid',dialog).html(zones_select);
     $('select#zoneid',dialog).trigger("change");
     $('#vdc_available_hosts_list',dialog).empty();
diff --git a/src/ozones/Server/templates/login.html b/src/ozones/Server/templates/login.html
index 6038b56e55..d1001aaaa4 100644
--- a/src/ozones/Server/templates/login.html
+++ b/src/ozones/Server/templates/login.html
@@ -3,7 +3,7 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <title>OpenNebula oZones Login</title>
     <link rel="stylesheet" type="text/css" href="css/login.css" />
-
+    <link rel="stylesheet" type="text/css" href="vendor/jQueryUI/jquery-ui-1.8.16.custom.css" />
     <!-- Vendor Libraries -->
     <script type="text/javascript" src="vendor/jQuery/jquery-1.7.1.min.js"></script>
     <!-- End Vendor Libraries -->
@@ -24,11 +24,7 @@
       <div id="logo_sunstone">
       </div>
 
-      <div id="auth_error" class="error_message">
-          Invalid username or password
-      </div>
-      <div id="one_error" class="error_message">
-          OpenNebula is not running
+      <div id="error_box" class="error_message ui-state-error ui-corner-all">
       </div>
 
       <form id="login_form">
@@ -42,6 +38,7 @@
                 <input type="checkbox" id="check_remember">
                 <label id="label_remember" for="check_remember">Remember me</label>
                 <input type="submit" id="login_btn" value="" />
+                <img src="images/ajax-loader.gif" alt="retrieving" id="login_spinner" />
             </div>
         </div>
       </form>
diff --git a/src/sunstone/OpenNebulaVNC.rb b/src/sunstone/OpenNebulaVNC.rb
index 71c92b6fe2..8d0285c079 100644
--- a/src/sunstone/OpenNebulaVNC.rb
+++ b/src/sunstone/OpenNebulaVNC.rb
@@ -21,7 +21,7 @@ require 'OpenNebula'
 # This class provides support for launching and stopping a websockify proxy
 #
 class OpenNebulaVNC
-    def initialize(config, opt={:json_errors => true})
+    def initialize(config, logger, opt={:json_errors => true})
         @proxy_path      = config[:vnc_proxy_path]
         @proxy_base_port = config[:vnc_proxy_base_port].to_i
 
@@ -36,6 +36,7 @@ class OpenNebulaVNC
         end
 
         @options = opt
+        @logger = logger
     end
 
     # Start a VNC proxy
@@ -71,7 +72,7 @@ class OpenNebulaVNC
         cmd ="#{@proxy_path} #{proxy_options} #{proxy_port} #{host}:#{vnc_port}"
 
         begin
-            $stderr.puts("Starting vnc proxy: #{cmd}")
+            @logger.info { "Starting vnc proxy: #{cmd}" }
             pipe = IO.popen(cmd)
         rescue Exception => e
             return [500, OpenNebula::Error.new(e.message).to_json]
diff --git a/src/sunstone/config.ru b/src/sunstone/config.ru
deleted file mode 100644
index aa4380a728..0000000000
--- a/src/sunstone/config.ru
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/usr/bin/ruby
-
-# -------------------------------------------------------------------------- #
-# Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org)             #
-#                                                                            #
-# Licensed under the Apache License, Version 2.0 (the "License"); you may    #
-# not use this file except in compliance with the License. You may obtain    #
-# a copy of the License at                                                   #
-#                                                                            #
-# http://www.apache.org/licenses/LICENSE-2.0                                 #
-#                                                                            #
-# Unless required by applicable law or agreed to in writing, software        #
-# distributed under the License is distributed on an "AS IS" BASIS,          #
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
-# See the License for the specific language governing permissions and        #
-# limitations under the License.                                             #
-#--------------------------------------------------------------------------- #
-
-$: << File.dirname(__FILE__)
-
-require 'sunstone-server.rb'
-
-run Sinatra::Application
diff --git a/src/sunstone/etc/sunstone-server.conf b/src/sunstone/etc/sunstone-server.conf
index bcc7e8225f..cddab640a1 100644
--- a/src/sunstone/etc/sunstone-server.conf
+++ b/src/sunstone/etc/sunstone-server.conf
@@ -1,6 +1,9 @@
 # OpenNebula sever contact information
 :one_xmlrpc: http://localhost:2633/RPC2
 
+# 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG
+:debug_level: 3
+
 # Server Configuration
 :host: 127.0.0.1
 :port: 9869
diff --git a/src/sunstone/models/SunstoneServer.rb b/src/sunstone/models/SunstoneServer.rb
index 165f758669..6696d7f436 100644
--- a/src/sunstone/models/SunstoneServer.rb
+++ b/src/sunstone/models/SunstoneServer.rb
@@ -14,6 +14,8 @@
 # limitations under the License.                                             #
 #--------------------------------------------------------------------------- #
 
+require 'CloudServer'
+
 require 'OpenNebulaJSON'
 include OpenNebulaJSON
 
@@ -22,14 +24,15 @@ require 'OpenNebulaVNC'
 require 'OpenNebulaJSON/JSONUtils'
 include JSONUtils
 
-class SunstoneServer
+class SunstoneServer < CloudServer
     # FLAG that will filter the elements retrieved from the Pools
     POOL_FILTER = Pool::INFO_ALL
 
     # Secs to sleep between checks to see if image upload to repo is finished
     IMAGE_POLL_SLEEP_TIME = 5
 
-    def initialize(client)
+    def initialize(client, config, logger)
+        super(config, logger)
         @client = client
     end
 
@@ -194,7 +197,8 @@ class SunstoneServer
             begin
                 log = File.read(vm_log_file)
             rescue Exception => e
-                return [200, "Log for VM #{id} not available"]
+                msg = "Log for VM #{id} not available"
+                return [200, {:vm_log => msg}.to_json]
             end
 
             return [200, {:vm_log => log}.to_json]
@@ -210,7 +214,7 @@ class SunstoneServer
             return [404, resource.to_json]
         end
 
-        vnc_proxy = OpenNebulaVNC.new(config)
+        vnc_proxy = OpenNebulaVNC.new(config, logger)
         return vnc_proxy.start(resource)
     end
 
@@ -221,7 +225,8 @@ class SunstoneServer
         begin
             OpenNebulaVNC.stop(pipe)
         rescue Exception => e
-            error = Error.new(e.message)
+            logger.error {e.message}
+            error = Error.new("Error stopping VNC. Please check server logs.")
             return [500, error.to_json]
         end
 
diff --git a/src/sunstone/public/css/login.css b/src/sunstone/public/css/login.css
index 9c92aa9279..d275f49a57 100644
--- a/src/sunstone/public/css/login.css
+++ b/src/sunstone/public/css/login.css
@@ -134,10 +134,17 @@ div#login input#login_btn:hover {
 .error_message {
   display: none;
   position: relative;
+  width:400px;
+  margin-left: auto;
+  margin-right: auto;
   top: 80px;
-  font-family: Arial, Helvetica, sans-serif;
-  color:red;
-  font-size:1.6em;
+  font-size:1.0em;
+}
+
+#login_spinner {
+    left: 44px;
+    position: relative;
+    top: 2px;
 }
 
 #label_remember {
diff --git a/src/sunstone/public/js/login.js b/src/sunstone/public/js/login.js
index 953f46aa1f..6b460d35c0 100644
--- a/src/sunstone/public/js/login.js
+++ b/src/sunstone/public/js/login.js
@@ -24,14 +24,19 @@ function auth_error(req, error){
 
     switch (status){
     case 401:
-        $("#one_error").hide();
-        $("#auth_error").fadeIn("slow");
+        $("#error_box").text("Invalid username or password");
         break;
     case 500:
-        $("#auth_error").hide();
-        $("#one_error").fadeIn("slow");
+        $("#error_box").text("OpenNebula is not running or there was a server exception. Please check the server logs.");
         break;
+    case 0:
+        $("#error_box").text("No answer from server. Is it running?");
+        break;
+    default:
+        $("#error_box").text("Unexpected error. Status "+status+". Check the server logs.");
     };
+    $("#error_box").fadeIn("slow");
+    $("#login_spinner").hide();
 }
 
 function authenticate(){
@@ -39,6 +44,9 @@ function authenticate(){
     var password = $("#password").val();
     var remember = $("#check_remember").is(":checked");
 
+    $("#error_box").fadeOut("slow");
+    $("#login_spinner").show();
+
     OpenNebula.Auth.login({ data: {username: username
                                     , password: password}
                             , remember: remember
@@ -61,4 +69,5 @@ $(document).ready(function(){
     };
 
     $("input#username.box").focus();
+    $("#login_spinner").hide();
 });
diff --git a/src/sunstone/public/js/plugins/users-tab.js b/src/sunstone/public/js/plugins/users-tab.js
index a9d35c164f..19d48435e1 100644
--- a/src/sunstone/public/js/plugins/users-tab.js
+++ b/src/sunstone/public/js/plugins/users-tab.js
@@ -131,9 +131,11 @@ var user_actions = {
     "User.passwd" : {
         type: "multiple",
         call: OpenNebula.User.passwd,
-        //nocallback
+        callback: function(req,res){
+            notifyMessage(tr("Change password successful"));
+        },
         elements: userElements,
-        error: onError
+        error: onError,
     },
     "User.chgrp" : {
         type: "multiple",
@@ -492,6 +494,7 @@ function popUpCreateUserDialog(){
 
 
 function popUpUpdatePasswordDialog(){
+    $('#new_password',$update_pw_dialog).val("");
     $update_pw_dialog.dialog('open');
 }
 
diff --git a/src/sunstone/sunstone-server.rb b/src/sunstone/sunstone-server.rb
index 2e09422136..21230aa0f5 100755
--- a/src/sunstone/sunstone-server.rb
+++ b/src/sunstone/sunstone-server.rb
@@ -32,7 +32,9 @@ else
 end
 
 SUNSTONE_AUTH             = VAR_LOCATION + "/.one/sunstone_auth"
+SUNSTONE_LOG              = LOG_LOCATION + "/sunstone.log"
 CONFIGURATION_FILE        = ETC_LOCATION + "/sunstone-server.conf"
+
 PLUGIN_CONFIGURATION_FILE = ETC_LOCATION + "/sunstone-plugins.yaml"
 
 SUNSTONE_ROOT_DIR = File.dirname(__FILE__)
@@ -54,27 +56,42 @@ require 'CloudAuth'
 require 'SunstoneServer'
 require 'SunstonePlugins'
 
+
+##############################################################################
+# Configuration
+##############################################################################
+
 begin
     conf = YAML.load_file(CONFIGURATION_FILE)
 rescue Exception => e
-    puts "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
+    STDERR.puts "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
     exit 1
 end
 
-##############################################################################
-# Sinatra Configuration
-##############################################################################
-use Rack::Session::Pool, :key => 'sunstone'
+conf[:debug_level] ||= 3
+
+CloudServer.print_configuration(conf)
+
+#Sinatra configuration
+
 set :config, conf
 set :bind, settings.config[:host]
 set :port, settings.config[:port]
 
+use Rack::Session::Pool, :key => 'sunstone'
+
+# Enable logger
+
+include CloudLogger
+enable_logging SUNSTONE_LOG, settings.config[:debug_level].to_i
+
 begin
     ENV["ONE_CIPHER_AUTH"] = SUNSTONE_AUTH
     cloud_auth = CloudAuth.new(settings.config)
 rescue => e
-    puts "Error initializing authentication system"
-    puts e.message
+    settings.logger.error {
+        "Error initializing authentication system" }
+    settings.logger.error { e.message }
     exit -1
 end
 
@@ -93,10 +110,12 @@ helpers do
             settings.cloud_auth.update_userpool_cache
             result = settings.cloud_auth.auth(request.env, params)
         rescue Exception => e
-            error 500, e.message
+            error 500, ""
+            logger.error { e.message }
         end
 
         if result.nil?
+            logger.info { "Unauthorized login attempt" }
             return [401, ""]
         else
             client  = settings.cloud_auth.client(result)
@@ -105,7 +124,7 @@ helpers do
             user    = OpenNebula::User.new_with_id(user_id, client)
             rc = user.info
             if OpenNebula.is_error?(rc)
-                # Add a log message
+                logger.error { rc.message }
                 return [500, ""]
             end
 
@@ -157,7 +176,9 @@ before do
         halt 401 unless authorized?
 
         @SunstoneServer = SunstoneServer.new(
-            settings.cloud_auth.client(session[:user]))
+                              settings.cloud_auth.client(session[:user]),
+                              settings.config,
+                              settings.logger)
     end
 end
 
@@ -244,7 +265,10 @@ end
 post '/config' do
     begin
         body = JSON.parse(request.body.read)
-    rescue
+    rescue Exception => e
+        msg = "Error parsing configuration JSON"
+        logger.error { msg }
+        logger.error { e.message } 
         [500, OpenNebula::Error.new(msg).to_json]
     end
 
diff --git a/src/sunstone/templates/login.html b/src/sunstone/templates/login.html
index c942f3184f..1dc5352d14 100644
--- a/src/sunstone/templates/login.html
+++ b/src/sunstone/templates/login.html
@@ -3,6 +3,7 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <title>OpenNebula Sunstone Login</title>
     <link rel="stylesheet" type="text/css" href="css/login.css" />
+    <link rel="stylesheet" type="text/css" href="vendor/jQueryUI/jquery-ui-1.8.16.custom.css" />
 
     <!-- Vendor Libraries -->
     <script type="text/javascript" src="vendor/jQuery/jquery-1.7.1.min.js"></script>
@@ -25,11 +26,7 @@
       <div id="logo_sunstone">
       </div>
 
-      <div id="auth_error" class="error_message">
-          Invalid username or password
-      </div>
-      <div id="one_error" class="error_message">
-          OpenNebula is not running
+      <div id="error_box" class="error_message ui-state-error ui-corner-all">
       </div>
 
       <form id="login_form">
@@ -43,6 +40,7 @@
                 <input type="checkbox" id="check_remember" />
                 <label id="label_remember" for="check_remember">Remember me</label>
                 <input type="submit" id="login_btn" value="" />
+                <img src="images/ajax-loader.gif" alt="retrieving" id="login_spinner" />
 
             </div>
         </div>