nmittler 1ecc37fbb2 Better error when first HTTP/2 frame is not SETTINGS ... Motivation: Bootstrap of the HTTP/2 can take a lot of paths and a lot of things can go wrong in the initial handshakes leading up to establishment of HTTP/2 between client and server. There have been many times where handshakes have failed silently, leading to very cryptic errors that are hard to debug. Modifications: Changed the HTTP/2 handler and decoder to ensure that the very first data on the wire (WRT HTTP/2) is SETTINGS/preface+SETTINGS. When this is not the case, a connection error is thrown with the bytes that were found instead. Result: Fixes #3880		2015-06-18 15:58:42 -07:00
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netty/handler/codec/http2	Better error when first HTTP/2 frame is not SETTINGS	2015-06-18 15:58:42 -07:00