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From bugzi...@apache.org
Subject [Bug 63223] org.apache.coyote.http2.Http2UpgradeHandler.pruneClosedStreams
Date Thu, 07 Mar 2019 11:55:57 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=63223

Mark Thomas <markt@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Mark Thomas <markt@apache.org> ---
Looking at the code, those messages should never appear if everything is being
tracked correctly. I've found a couple of places where pushed streams weren't
being properly tracked and I've fixed them. I've also improved the error
message so, if it should be logged, it is clearer what is happening.

I'm still a little concerned at the rate the messages were being logged. The
most they can appear - even if the tracking has gone wrong - is once every 10
new streams created for a connection. The rate you were seeing the messages
suggests a very high rate of stream creation. The access log should be able to
confirm this.

Should you still see this in 9.0.17 the improved log messages will help. The
other thing that would be useful is a thread dump. ideally three thread dumps
taken one after another.

Fixed in:
- trunk for 9.0.17 onwards
- 8.5.x for 8.5.39 onwards

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