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Posted to dev@tomcat.apache.org by bu...@apache.org on 2014/01/02 11:20:49 UTC

[Bug 55947] New: cometD longpolling results in Nullpointer using NIO

https://issues.apache.org/bugzilla/show_bug.cgi?id=55947

            Bug ID: 55947
           Summary: cometD longpolling results in Nullpointer using NIO
           Product: Tomcat 7
           Version: 7.0.47
          Hardware: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Connectors
          Assignee: dev@tomcat.apache.org
          Reporter: ckellner@timocom.com

We use cometD 2.7.0 which connects to a Tomcat 7.0.47 via Longpolling. This
works as long as we use the BIO Protocol. If we switch to NIO, after an amount
of time we'll get this exception:

Jan 02, 2014 10:23:43 AM org.apache.tomcat.util.net.NioEndpoint$SocketProcessor
doRun
Schwerwiegend: 
java.lang.NullPointerException at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:560)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1721)
    at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1679)
    at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

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[Bug 55947] cometD longpolling results in Nullpointer using NIO

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=55947

Mark Thomas <ma...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
                 OS|                            |All

--- Comment #1 from Mark Thomas <ma...@apache.org> ---
This is fixed in 7.0.50 which is just completing the release process. The NPE
can occur in some circumstances when the socket has been closed.

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