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Date: Mon, 10 Nov 2008 05:58:05 -0800 (PST)
From: "Timothy Bish (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQCPP-203) Segmentation Fault in Integration
 tests occurs occasionally.
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    [ https://issues.apache.org/activemq/browse/AMQCPP-203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=47220#action_47220 ] 

Timothy Bish commented on AMQCPP-203:
-------------------------------------

This is an odd one.  If I were to guess I'd say that what might be happening is the the threads aren't shutting down and freeing up their child pools from the global apr pool before the application terminates and we free the APR global APR pool.  This is odd since all the threads I've found so far are joined as we are shutting down, at least all the one's I've found so far are.  The join methods on CentOS did seem to return and allow the main thread to become runnable slightly faster than on my Fedora system which played a part in many of the errors we initially saw and fixed.  The pools mechanism in APR is a bit frustrating at times.  

> Segmentation Fault in Integration tests occurs occasionally.
> ------------------------------------------------------------
>
>                 Key: AMQCPP-203
>                 URL: https://issues.apache.org/activemq/browse/AMQCPP-203
>             Project: ActiveMQ C++ Client
>          Issue Type: Sub-task
>          Components: Integration Tests
>    Affects Versions: 2.2.1
>         Environment: CentOS 5.2 / REHL / Fedora 9
>            Reporter: Timothy Bish
>            Assignee: Timothy Bish
>             Fix For: 2.2.2
>
>         Attachments: BufferedInputStream.cpp.patch, segfault.6517.tar.gz, segfault.bufferedinputstream.log.gz, segfaults.barak.tar.gz, segfaults.tar.gz, weekend.puzzle.tar.gz
>
>
> While running the integration tests in a long loop an occasional Segmentation fault has been seen. 

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