https://bz.apache.org/bugzilla/show_bug.cgi?id=66676
Georg F. <magicb...@gmx.de> changed:
What |Removed |Added
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Status|NEEDINFO |NEW
--- Comment #2 from Georg F. <magicb...@gmx.de> ---
Hey Mark,
thanks for looking into it.
I think the problem still exists in the latest 10.1.x branch on GitHub.
Let me explain the problem step by step from the code on GitHub:
* When the WebSocket is closed the WebSocket tries to send the close message
via
https://github.com/apache/tomcat/blob/8b1833f75bfce59a05791dede5eb9904b51da3da/java/org/apache/tomcat/websocket/WsSession.java#L718
* This in turn will try to send the message parts via
https://github.com/apache/tomcat/blob/b9a8bd4fdaf31b0cc08cc72f95c802d35bb885f2/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java#L311
* Unfortunately this may fail for whatever reason which then ends up in
closing the session via
https://github.com/apache/tomcat/blob/b9a8bd4fdaf31b0cc08cc72f95c802d35bb885f2/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java#L322
* The problem is now that the session now got to a "CLOSED" state, but when
returning from these methods we end up in
https://github.com/apache/tomcat/blob/8b1833f75bfce59a05791dede5eb9904b51da3da/java/org/apache/tomcat/websocket/WsSession.java#L734
which tries to get the user principal on the closed session which is forbidden.
* And so another exception is thrown which overrules the previous one and
shows this confusing message.
I hope that helps.
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