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Date: Sun, 9 Oct 2011 12:37:17 -0700 (PDT)
From: yoav <yoav@zadarastorage.com>
To: users@qpid.apache.org
Message-ID: <1318189037359-6875052.post@n2.nabble.com>
Subject: Qpid raise an exception each time my program terminates
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Hi,
I'm pretty new to Qpid and my application includes an AP{I server listening
on a Qpid connection. We did the sequence as shown in the examples (i.e.,
Connection connection(..); ... connection.open(); .. Receiver receiver -->
connection.close();  receiver.close();) and it works fine.
Problem is that in some configurations when exiting from our application,
AFTER application cleanup is completed we have a Qpid exception
#0  0x00007fe73311cd05 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fe733120a47 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fe7350476dd in __gnu_cxx::__verbose_terminate_handler() () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007fe735045926 in ?? () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007fe735045953 in std::terminate() () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007fe735045a5e in __cxa_throw () from
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007fe7311b827a in qpid::sys::PollerPrivate::interruptAll
(this=<value optimized out>) at qpid/sys/epoll/EpollPoller.cpp:327
#7  0x00007fe731591e2f in qpid::client::(anonymous
namespace)::IOThread::~IOThread (this=0x7fe7317fa660, __in_chrg=<value
optimized out>) at qpid/client/ConnectionImpl.cpp:132
#8  0x00007fe733122961 in exit () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007fe733107f06 in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#10 0x000000000040e0a9 in _start ()

The issue is probably in this QPID_POSIX_CHECK:
    void interruptAll() {
        ::epoll_event epe;
        // Not EPOLLONESHOT, so we eventually get all threads
        epe.events = ::EPOLLIN;
        epe.data.u64 = 2; // Keep valgrind happy
        QPID_POSIX_CHECK(::epoll_ctl(epollFd, EPOLL_CTL_MOD,
alwaysReadableFd, &epe));  
    }
As a result, I get core dumps each termination, which cause a sever a disk
space problem 
Any ideas why this happens and how to avoid it? 
Thanks,
Yoav

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