[infinispan-issues] [JBoss JIRA] Commented: (ISPN-756) NullPointerException during rehash

[Scott Marlow (JIRA)]

    [ https://jira.jboss.org/browse/ISPN-756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12561715#action_12561715 ] 

Scott Marlow commented on ISPN-756:
-----------------------------------

I believe that fixing this, will help resolve remaining failures in AS unit test org.jboss.test.cluster.defaultcfg.simpleweb.test.SessionCountUnitTestCase.  The exception stack below shows the issue (similar to link in description above).  The line numbers might be off due to my additional null check that I have locally.  

http://pastebin.com/zT4iXRyS

I tried protecting the loop with a null test but that didn't seem to help.  Ma

   protected void loopOverBuckets(BucketHandler handler) throws CacheLoaderException {
      try {
         if (root != null) {
            for (File bucketFile : root.listFiles()) {


> NullPointerException during rehash
> ----------------------------------
>
>                 Key: ISPN-756
>                 URL: https://jira.jboss.org/browse/ISPN-756
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Distributed Cache
>    Affects Versions: 4.2.0.ALPHA5
>            Reporter: Scott Marlow
>            Assignee: Manik Surtani
>             Fix For: 4.2.0.CR1, 4.2.0.Final
>
>
> NullPointerException occurs from a org.infinispan.distribution.JoinTask.performRehash
> Error exception link (let me know if I should paste here next time) http://pastebin.com/E237tmY8 
> This is happening for me locally and appears to be timing related.  I'm trying to understand why (current AS6 testsuite) SessionCountUnitTestCase is failing on hudson, so I have been adding debug logging in various places to gain more understanding.  This changes the timing it seems and I get the NPE.
> The AS test source is at https://anonsvn.jboss.org/repos/jbossas/trunk/testsuite/src/main/org/jboss/test/cluster/defaultcfg/simpleweb/test/SessionCountUnitTestCase.java and the test is testReplicatedRedeploy.
> The hudson link (shows a timeout error) is (in case there is interest in seeing the failure we are trying to chase down):  https://hudson.jboss.org/hudson/job/JBoss-AS-6.0.x-testSuite-sun16/932/testReport/org.jboss.test.cluster.defaultcfg.simpleweb.test/SessionCountUnitTestCase%28Default-udp%29/testReplicatedRedeploy

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