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List:       tomcat-dev
Subject:    DO NOT REPLY [Bug 42754]  New:  - Infinite loop after comet event breaks
From:       bugzilla () apache ! org
Date:       2007-06-27 12:28:07
Message-ID: bug-42754-78 () http ! issues ! apache ! org/bugzilla/
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http://issues.apache.org/bugzilla/show_bug.cgi?id=42754

           Summary: Infinite loop after comet event breaks
           Product: Tomcat 6
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Catalina
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: sebster@sebster.com


Tomcat version: 6.0.13

When a handling a Comet BEGIN event and not reading all bytes and returning, a
SEVERE error is caused by Tomcat. However the CometProcessor does not get
notified of this error (it receives no further events at all). Resources
allocated in the BEGIN event cannot be freed, causing a possible resource leak.

Also (at least when there is data in the buffer), Tomcat enters a busy handling
loop eating 100% CPU time. Preliminary debugging showed that the Comet event
type is set to END in this loop, but only the event() method on an ErrorValve is
called, and the event method of the CometProcessor which received the BEGIN
event is not called.

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