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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQCPP-454) Found pure function call error in CMS
Date Wed, 06 Feb 2013 21:51:13 GMT

    [ https://issues.apache.org/jira/browse/AMQCPP-454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572873#comment-13572873
] 

Timothy Bish commented on AMQCPP-454:
-------------------------------------

Its unnecessary as non of the assignment are allocating any memory and several of them can
just be removed since they are setting things to what they already would be anyway.  I can't
say if its will cause any harm or not, but the knee-jerk reaction of synchronizing everything
in sight usually leads to its own set of issues.  
                
> Found pure function call error in CMS
> -------------------------------------
>
>                 Key: AMQCPP-454
>                 URL: https://issues.apache.org/jira/browse/AMQCPP-454
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: CMS Impl
>    Affects Versions: 3.5.0
>         Environment: Windows xp service pack 3, ActiveMQ broker 5.3.1, apr 1.4.2, apr-util
1.3.9, apr iconv 1.2.1
>            Reporter: Helen Huang
>            Assignee: Timothy Bish
>            Priority: Critical
>             Fix For: 3.5.0
>
>         Attachments: cmstemplate-stress.zip, CrashHang_Report__CMSMessageHandler-MultiTest_exe__02052013182239896.mht
>
>
> WeEncountered a pure function call error in CMS during our test. The following is the
call stack:
> 	msvcr80d.dll!_NMSG_WRITE(int rterrnum=0x00000019)  Line 198	C
>  	msvcr80d.dll!_purecall()  Line 54 + 0x7 bytes	C
>  	activemq-cppud.dll!decaf::util::concurrent::Lock::lock()  Line 55	C++
>  	activemq-cppud.dll!decaf::util::concurrent::Lock::Lock(decaf::util::concurrent::Synchronizable
* object=0x0cb6de90, const bool intiallyLocked=true)  Line 34	C++
>  	activemq-cppud.dll!activemq::transport::inactivity::InactivityMonitor::stopMonitorThreads()
 Line 469 + 0x20 bytes	C++
>  	activemq-cppud.dll!activemq::transport::inactivity::InactivityMonitor::onException(const
decaf::lang::Exception & ex={...})  Line 310	C++
>  	activemq-cppud.dll!activemq::transport::TransportFilter::fire(const decaf::lang::Exception
& ex={...})  Line 53 + 0x17 bytes	C++
>  	activemq-cppud.dll!activemq::transport::TransportFilter::onException(const decaf::lang::Exception
& ex={...})  Line 46	C++
>  	activemq-cppud.dll!activemq::transport::IOTransport::fire(decaf::lang::Exception &
ex={...})  Line 64 + 0x17 bytes	C++
>  	activemq-cppud.dll!activemq::transport::IOTransport::run()  Line 259	C++
>  	activemq-cppud.dll!decaf::lang::Thread::run()  Line 143	C++
>  	activemq-cppud.dll!`anonymous namespace'::runCallback(void * arg=0x0c85e460)  Line
262 + 0x11 bytes	C++
>  	activemq-cppud.dll!`anonymous namespace'::threadEntryMethod(void * arg=0x0c85e460)
 Line 250 + 0x15 bytes	C++
>  	msvcr80d.dll!_callthreadstartex()  Line 348 + 0xf bytes	C
>  	msvcr80d.dll!_threadstartex(void * ptd=0x1898e470)  Line 331	C
>  	kernel32.dll!7c80b729() 	
>  	[Frames below may be incorrect and/or missing, no symbols loaded for kernel32.dll]

> We have 25 senders and receivers in our test, and we restart the broker every 10 seconds.

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