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From Timothy Bish <tabish...@gmail.com>
Subject Re: Program blocking waiting for a lock
Date Fri, 09 Oct 2015 14:49:51 GMT
On 10/09/2015 10:37 AM, spamtrap wrote:
> On Mon, 21 Sep 2015 15:34:17 +0100, spamtrap
> <nospam.1.friedbadger@spamgourmet.com> wrote:
>
>> ActiveMQ-CPP 3.9.0
>>
>> A program is blocking waiting for a lock:
>>
>> #0  0x000000367980b5bc in pthread_cond_wait@@GLIBC_2.3.2 ()
>>   from /lib64/libpthread.so.0
>> #1  0x00007fcab6c6c006 in (anonymous namespace)::doMonitorEnter (
>>    monitor=0x26f63b0, thread=0x2605960)
>>    at decaf/internal/util/concurrent/Threading.cpp:662
>> #2  0x00007fcab6cf345b in decaf::util::concurrent::Lock::lock (
>>    this=0x7fffe1a00890) at decaf/util/concurrent/Lock.cpp:54
>> #3  0x00007fcab6cf3575 in decaf::util::concurrent::Lock::Lock (
>>    this=<value optimized out>, object=<value optimized out>,
>>    intiallyLocked=<value optimized out>) at
>> decaf/util/concurrent/Lock.cpp:32
>> #4  0x00007fcab69f2293 in
>> activemq::core::FifoMessageDispatchChannel::stop (
>>    this=0x26c2c50) at
>> activemq/core/FifoMessageDispatchChannel.cpp:123
>>
>> How can I find out what is holding onto this lock?
> I could really do with some help here.  I am trying to close a
> consumer and it hangs forever.
>
>
>
>
Your best bet is to create a test case that reproduces the problem.  A
stack trace from one thread is not enough to even guess what is going on
in your application here so it would be hard for anyone to offer any
meaningful help.

-- 
Tim Bish
Sr Software Engineer | RedHat Inc.
tim.bish@redhat.com | www.redhat.com 
twitter: @tabish121
blog: http://timbish.blogspot.com/


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