[infinispan-issues] [JBoss JIRA] (ISPN-3370) Lucene testsuite can hang up getting pooled connection

[Dan Berindei (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-3370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793606#comment-12793606 ] 

Dan Berindei commented on ISPN-3370:
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We could try updating to the latest c3p0, they changed the group id to {{com.mchange}} but otherwise it seemed to be compatible. I found a concurrency issue in c3p0 as well, so I wouldn't be surprised if the problem was there: ISPN-3324
                
> Lucene testsuite can hang up getting pooled connection
> ------------------------------------------------------
>
>                 Key: ISPN-3370
>                 URL: https://issues.jboss.org/browse/ISPN-3370
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Loaders and Stores, Lucene Directory
>    Affects Versions: 6.0.0.Alpha1
>            Reporter: Galder Zamarreño
>            Assignee: Galder Zamarreño
>             Fix For: 6.0.0.CR1, 6.0.0.Final
>
>
> Lucene testsuite [hanged up|http://ci.infinispan.org/viewLog.html?buildId=2608&buildTypeId=bt9&tab=buildLog].
> Looking at the [thread dump|https://gist.github.com/galderz/b81a64c557e0ab3afc7e], it looks like the Lucene test blocked getting a pooled connection.
> Workaround would be to not used use pooled connections. I don't think [DatabaseStoredIndexTest|https://github.com/infinispan/infinispan/blob/master/lucene/lucene-v3/src/test/java/org/infinispan/lucene/DatabaseStoredIndexTest.java] requires it.
> We also need to see why the hold up happened. Bug in c3p0? Misconfiguration of concurrent connections?

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