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https://issues.apache.org/jira/browse/DIRMINA-435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12525636
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Matthew Phillips commented on DIRMINA-435:
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It is reproducible, and happens all the time, no significant load.
I don't even know where to begin trying to create a test case, but if you're
willing to grab the project from SVN at
https://avis.svn.sourceforge.net/svnroot/avis/trunk and run the test case in
server/src/test/org/avis/federation/JUTestFederation.java (JUnit 4.1), you
should find it fails on WinXP. If you have ant 1.7, "cd server && ant tests"
will do it (I'm running it in JUnit under Eclipse).
I've run the exact same test on Mac OS X on both a G4 Powerbook and an Intel
Mac Pro, and it runs fine there. It also runs on an (old'ish) FC3 Linux box.
Like I said, very odd.
> NullPointerException in IoServiceListenerSupport
> ------------------------------------------------
>
> Key: DIRMINA-435
> URL: https://issues.apache.org/jira/browse/DIRMINA-435
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.2
> Environment: WinXP SP 2
> java version "1.5.0_11"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_11-b03)
> Java HotSpot(TM) Client VM (build 1.5.0_11-b03, mixed mode, sharing)
> Reporter: Matthew Phillips
>
> This is an odd one, since it occurs on WinXP and not on Mac OS X. The error
> was seen under 1.5, but also occurs on 1.6. I see the following NPE :
> -----
> Exception trace:
> java.lang.NullPointerException
> at java.util.concurrent.ConcurrentHashMap.hash(Unknown Source)
> at java.util.concurrent.ConcurrentHashMap.putIfAbsent(Unknown Source)
> at
> org.apache.mina.common.support.IoServiceListenerSupport.fireSessionCreated(IoServiceListenerSupport.java:152)
> at
> org.apache.mina.transport.socket.nio.SocketIoProcessor.doAddNew(SocketIoProcessor.java:135)
> at
> org.apache.mina.transport.socket.nio.SocketIoProcessor.access$300(SocketIoProcessor.java:44)
> at
> org.apache.mina.transport.socket.nio.SocketIoProcessor$Worker.run(SocketIoProcessor.java:444)
> at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:39)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
> Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> ------
> The NPE is being caused by IoSession.getServiceAddress () returning null,
> which then bombs the attempt to use it as a key in the map
> (IoServiceListenerSupport:151):
> SocketAddress serviceAddress = session.getServiceAddress(); // null
> // Get the session set.
> Set<IoSession> s = new IdentityHashSet<IoSession>();
> Set<IoSession> sessions = managedSessions.putIfAbsent(serviceAddress,
> Collections.synchronizedSet(s));
> This has me stumped. Can anyone help?
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