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Date: Mon, 4 Feb 2013 19:56:12 +0000 (UTC)
From: "Jeffrey B (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Message-ID: <JIRA.12630682.1360001135622.241220.1360007772712@arcas>
In-Reply-To: <JIRA.12630682.1360001135622@arcas>
References: <JIRA.12630682.1360001135622@arcas>
Subject: [jira] [Resolved] (AMQCPP-452) Shutdown causing core dump in 3.5.0
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     [ https://issues.apache.org/jira/browse/AMQCPP-452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeffrey B resolved AMQCPP-452.
------------------------------

    Resolution: Not A Problem
    
> Shutdown causing core dump in 3.5.0
> -----------------------------------
>
>                 Key: AMQCPP-452
>                 URL: https://issues.apache.org/jira/browse/AMQCPP-452
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: Decaf
>    Affects Versions: 3.5.0
>         Environment: HPUX 11.31
>            Reporter: Jeffrey B
>            Assignee: Timothy Bish
>            Priority: Critical
>              Labels: shutdown, thread
>         Attachments: amqsms.cpp
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Whenever a thread is created in my receiver program, The use of the activemq::library::ActiveMQCPP::shutdownLibrary(); causes a core dump after my return 0; statement
> It does not happen on my sender after applying patch for a similar issue, and this is almost identical, so I can not find the difference.
> The cause is trying to lock a null mutex in the function Threading.cpp::attachToCurrentThread().  This gets called only once in my sender program, during the activemq::library::ActiveMQCPP::initializeLibrary(); call, but it gets called twice in my receiver program, once in the same place and then after the return 0; line.  At that point library->globalLock is NULL.
> Will attach my source in a moment, but I have literally taken it down to the bare minimum so that it has no function.

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