a4146b706c
Motivation: When connecting to an HTTP/2 server that did not set any value for the SETTINGS_MAX_HEADER_LIST_SIZE in the settings frame, the netty client was imposing an arbitrary maximum header list size of 8kB. There should be no need for the client to enforce such a limit if the server has not specified any limit. This caused an issue for a grpc-java client that needed to send a large header to a server via an Envoy proxy server. The error condition is demonstrated here: https://github.com/JLofgren/demo-grpc-java-bug-4284 Fixes grpc-java issue #4284 - https://github.com/grpc/grpc-java/issues/4284 and netty issue #7825 - https://github.com/netty/netty/issues/7825 Modifications: In HpackEncoder use MAX_HEADER_LIST_SIZE as default maxHeader list size. Result: HpackEncoder will only enforce a max header list size if the server has specified a limit in its settings frame. |
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