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The recent refactoring about errors handling in the H1 multiplexer introduced a bug on abort when the client wait for the server response. The bug only exists if abortonclose option is not enabled. Indeed, in this case, when the end of the message is reached, the mux stops to receive data because these data are part of the next request. However, error on the sending path are no longer fatal. An error on the reading path must be caught to do so. So, in case of a client abort, the error is not reported to the upper layer and the H1 connection cannot be closed if some pending data are blocked (remember, an error on sending path was detected, blocking outgoing data). To be sure to have a chance to detect the abort in the case, when an error is detected on the sending path, we force the subscription for reads. This patch, with the previous one, should fix the issue #1943. It is 2.7-specific, no backport is needed.
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)