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QUIC stream did not transferred its response if it was an empty HTTP response without headers nor entity body. This is caused by an incomplete condition on qc_send() which skips streams with empty <tx.buf>. Fix this by extending the condition. Sending will be conducted on a stream if <tx.buf> is not empty or FIN notification must be provided. This allows to send the last STREAM frame for this stream. Such HTTP responses should be extremely rare so this bug is labelled as MINOR. It was encountered with a HTTP/0.9 request on an empty payload. The bug was triggered as HTTP/0.9 does not support header in response message. Also, note that condition to wakeup MUX tasklet has been changed similarly in qc_send_buf(). It is not mandatory to work properly however, most probably because another tasklet_wakeup() is done before/after. This should be backported up to 2.6.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)