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Posted to dev@tomcat.apache.org by bu...@apache.org on 2011/11/18 11:37:32 UTC

DO NOT REPLY [Bug 52208] New: NullPointerException in tribes.transport.nio.NioReceiver.listen() in test run

https://issues.apache.org/bugzilla/show_bug.cgi?id=52208

             Bug #: 52208
           Summary: NullPointerException in
                    tribes.transport.nio.NioReceiver.listen() in test run
           Product: Tomcat 7
           Version: trunk
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: minor
          Priority: P2
         Component: Cluster
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: knst.kolinko@gmail.com
    Classification: Unclassified


Created attachment 27968
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=27968
TEST-org.apache.catalina.tribes.group.interceptors.TestOrderInterceptor.BIO.txt

Running tests for 7.0.23 release candidate I noted that there was a
NullPointerException in one of tribes tests:

TEST-org.apache.catalina.tribes.group.interceptors.TestOrderInterceptor.BIO.txt

18.11.2011 9:27:56 org.apache.catalina.tribes.transport.nio.NioReceiver listen
SEVERE: Unable to process request in NioReceiver
java.lang.NullPointerException
    at
org.apache.catalina.tribes.transport.nio.NioReceiver.listen(NioReceiver.java:274)
    at
org.apache.catalina.tribes.transport.nio.NioReceiver.run(NioReceiver.java:414)
    at java.lang.Thread.run(Thread.java:662)
------------- ---------------- ---------------

The test case did not fail, so it likely occurred during tearDown.

The line in source code is

268        while (doListen() && selector != null) {
(..)
272                events();
273                socketTimeouts();
274                int n = selector.select(getSelectorTimeout());

It is likely that selector field referenced on line 274 became null because of
NioReceiver#stopListening() call.

This issue was not observed on reruns.

I am attaching complete log file from this test.

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DO NOT REPLY [Bug 52208] NullPointerException in tribes.transport.nio.NioReceiver.listen() in test run

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=52208

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

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

--- Comment #1 from Mark Thomas <ma...@apache.org> 2011-12-08 20:57:34 UTC ---
This has been fixed in trunk and 7.0.x and will be included in 7.0.24 onwards.

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