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From "Teemu Torma (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQCPP-200) activemq-cpp-2.2.1 test fails for decaf::io::ByteArrayInputStreamTest::testConstructor (segmentation fault)
Date Tue, 07 Oct 2008 21:41:55 GMT

    [ https://issues.apache.org/activemq/browse/AMQCPP-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46248#action_46248
] 

Teemu Torma commented on AMQCPP-200:
------------------------------------

Earlier today I had to track down a problem on Solaris where any program got a segfault on
exit.  The crash happened always in apr_pool_destroy.  This may be related to this problem,
I am not sure.

The crash is caused by the sequence of events on exit in my case. decaf::internal::AprPool::getAprPool()
has a static AprRuntime instance to initialize/terminate apr.  The apr terminate will destroy
the global apr pool and all it's children, including any pool created by decaf::internal::AprPool.
 However, the activemq-cpp instance of AprPool is destroyed after AprRuntime and at that point
the contained apr_pool is already destroyed and invalid, leading to segfault in apr_pool_destroy.

I have not seen this on Linux, and I guess that the destruction sequence involving method
static instances is a very compiler and/or platform dependent.

> activemq-cpp-2.2.1 test fails for decaf::io::ByteArrayInputStreamTest::testConstructor
(segmentation fault)
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: AMQCPP-200
>                 URL: https://issues.apache.org/activemq/browse/AMQCPP-200
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: Decaf
>    Affects Versions: 2.2.1
>         Environment: RHEL 5.2 (2.6.18-92.el5), apr-1.3.3, apr-util-1.3.4, cppunit-1.12.1,
gcc version 4.1.2 20071124 (Red Hat 4.1.2-42), Java(TM) SE Runtime Environment (build 1.6.0_06-b02)
>            Reporter: Alexander Martens
>            Assignee: Timothy Bish
>         Attachments: testConstructor-O0.log.gz, testConstructor.log.gz, testString-O0.log.gz
>
>
> This unit test seems to fail.
> I send you attached a gdb postmortem log (bt, bt full, info threads). 
> Thanks!

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