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From "Duong Quynh (FSU1.Z8.IP)" <Quyn...@fsoft.com.vn>
Subject RE: Potential qpid cpp 0.28 bug
Date Tue, 08 Jul 2014 09:11:31 GMT
Here you go, it's waiting in Sender.close() as seen from the stack.

[root@localhost ~]# ps aux | grep amq
root     48326  0.3  0.4 164584  7880 pts/0    Sl+  16:09   0:00 ./amq-producer
root     48347  0.0  0.0 103252   836 pts/2    S+   16:10   0:00 grep amq
[root@localhost ~]# pstack 48326
Thread 2 (Thread 0x7f77f570a700 (LWP 48327)):
#0  0x000000336d0e9153 in epoll_wait () from /lib64/libc.so.6
#1  0x00007f77f5df4ecc in qpid::sys::Poller::wait(qpid::sys::Duration) () from /usr/local/lib64/libqpidcommon.so.2
#2  0x00007f77f5df4af5 in qpid::sys::Poller::run() () from /usr/local/lib64/libqpidcommon.so.2
#3  0x00007f77f5de94cb in qpid::sys::(anonymous namespace)::runRunnable(void*) () from /usr/local/lib64/libqpidcommon.so.2
#4  0x000000336d4079d1 in start_thread () from /lib64/libpthread.so.0
#5  0x000000336d0e8b5d in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f77f570e860 (LWP 48326)):
#0  0x000000336d40b5bc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f77f6728523 in qpid::sys::Condition::wait(qpid::sys::Mutex&) () from /usr/local/lib64/libqpidmessaging.so.2
#2  0x00007f77f672878f in qpid::sys::Monitor::wait() () from /usr/local/lib64/libqpidmessaging.so.2
#3  0x00007f77f6720ab6 in qpid::messaging::amqp::ConnectionContext::wait() () from /usr/local/lib64/libqpidmessaging.so.2
#4  0x00007f77f6720b19 in qpid::messaging::amqp::ConnectionContext::wait(boost::shared_ptr<qpid::messaging::amqp::SessionContext>)
() from /usr/local/lib64/libqpidmessaging.so.2
#5  0x00007f77f671e7c4 in qpid::messaging::amqp::ConnectionContext::detach(boost::shared_ptr<qpid::messaging::amqp::SessionContext>,
boost::shared_ptr<qpid::messaging::amqp::SenderContext>) () from /usr/local/lib64/libqpidmessaging.so.2
#6  0x00007f77f673c768 in qpid::messaging::amqp::SenderHandle::close() () from /usr/local/lib64/libqpidmessaging.so.2
#7  0x00007f77f6797965 in qpid::messaging::Sender::close() () from /usr/local/lib64/libqpidmessaging.so.2
#8  0x0000000000403738 in main (argc=1, argv=0x7fff0845f6b8) at ../amq-producer/main.cpp:43

-----Original Message-----
From: Gordon Sim [mailto:gsim@redhat.com] 
Sent: Tuesday, July 08, 2014 4:09 PM
To: dev@qpid.apache.org
Subject: Re: Potential qpid cpp 0.28 bug

On 07/08/2014 09:40 AM, Duong Quynh (FSU1.Z8.IP) wrote:
> Yes I did, I make clean, deleted the CMake_Cache.txt, redid the whole process from "cmake
.." if that doesn't work then something is wrong with the make process. I'll wipe out the
build folder and retry.

That should certainly have done it. I just don't understand the log trace. Could you get a
stack trace for all the threads (pstack <pid of producer process>), to be sure we know
where it is waiting?

(The protocol trace shows the session window is set to one message by the broker. Therefore
only one message can initially be sent. The broker then does move that window forwards by
one, which should allow another transfer to be sent. QPID-5737 fixes a case where this doesn't
happen if the application is already closing the session.)

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