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From "Giambattista Bloisi (JIRA)" <>
Subject [jira] Updated: (POOL-147) Thread stuck in GenericObjectPool borrowObject()
Date Thu, 02 Jul 2009 12:13:47 GMT


Giambattista Bloisi updated POOL-147:

    Attachment: 01-borrowObject.patch

Proposed patch

> Thread stuck in GenericObjectPool borrowObject()
> ------------------------------------------------
>                 Key: POOL-147
>                 URL:
>             Project: Commons Pool
>          Issue Type: Bug
>    Affects Versions: 1.5.1
>            Reporter: Giambattista Bloisi
>            Priority: Minor
>         Attachments: 01-borrowObject.patch
> In my application I found a thread stuck at GenericObjectPool.borrowObject(
even though resources were availbale (in my case connections for DBCP).
> After an analysis of the code I think I spotted what could have caused this behavior. line corresponds to an indefinite wait to a "latch" object. This
wait should be awaken when new resources are made available to the pool. The problem is likely
that borrowObject enters in wait without performing "latch.getPair()" check in a critical

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