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From "Mark Thomas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (POOL-179) GenericObjectPool.borrowObject() incorrectly swallows InterruptedException
Date Tue, 22 Mar 2011 22:10:05 GMT

     [ https://issues.apache.org/jira/browse/POOL-179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mark Thomas updated POOL-179:
-----------------------------

    Summary: GenericObjectPool.borrowObject() incorrectly swallows InterruptedException  (was:
GenericObjectPool.borrowObject() incorrectly swallos InterruptedException)

> GenericObjectPool.borrowObject() incorrectly swallows InterruptedException
> --------------------------------------------------------------------------
>
>                 Key: POOL-179
>                 URL: https://issues.apache.org/jira/browse/POOL-179
>             Project: Commons Pool
>          Issue Type: Bug
>    Affects Versions: 1.5.5
>         Environment: mac osx 10.5.8 jdk 1.6.0_22
>            Reporter: Axel GroƟmann
>             Fix For: 1.5.6
>
>         Attachments: FileDiff154-155.jpg
>
>
> I just updated from commpons-pool 1.5.4 to 1.5.5 and suddenly some of my tests crash
with threads hanging.
> After some inspection is appears that GenericObjectPool.borrowObject() no longer handles
InterruptedException correctly. I made a file diff and found that there has been a modification
in that area that contains the bug. See attached image.
> I have created a patched version absed on 1.5.4 source which works correctly in my use
case. The important part is:
> {code:java}
> catch (final InterruptedException e)
> {
>    synchronized (this)
>    {
>       if (latch.getPair() == null)
>       {
>          _allocationQueue.remove(latch);
>       }
>       else
>       {
>          _numInternalProcessing--;
>          _numActive++;
>          _allocationQueue.remove(latch);
>          returnObject(latch.getPair().value);
>       }
>    }
>    Thread.currentThread().interrupt();
>    throw e;
> }
> {code} 

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