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From "Sebastien SOILEN (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQCPP-231) Segmentation fault in APR
Date Thu, 07 May 2009 15:25:38 GMT

    [ https://issues.apache.org/activemq/browse/AMQCPP-231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=51565#action_51565 ] 

Sebastien SOILEN commented on AMQCPP-231:
-----------------------------------------


Here are the traces. I hope this will help.

{noformat}
Thread 1

#0  0x001ebbf7 in apr_atomic_add32 (mem=0x8b720cc, val=1) at atomic/unix/mutex.c:78
        old_value = 10895680
        mutex = <value optimized out>
#1  0x001ebc65 in apr_atomic_inc32 (mem=0x8b720cc) at atomic/unix/mutex.c:132
No locals.
#2  0x060a3340 in decaf::util::concurrent::atomic::AtomicInteger::getAndIncrement (this=0x8b720c8) at decaf/util/concurrent/atomic/AtomicInteger.cpp:54
No locals.
#3  0x060365f3 in activemq::transport::filters::ResponseCorrelator::oneway (this=0x8b720a8, command=0xb70b7074) at activemq/transport/filters/ResponseCorrelator.cpp:51
        ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
        _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1 <Address 0x1 out of bounds>}}, cause = 0x20, 
      stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
          _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xa64150, _M_finish = 0x0, 
            _M_end_of_storage = 0x1}}, <No data fields>}}, <No data fields>}, <No data fields>}
#4  0x06004ed3 in activemq::connector::openwire::OpenWireFormatNegotiator::oneway (this=0x8b89318, command=0xb70b7074) at activemq/connector/openwire/OpenWireFormatNegotiator.cpp:75
        ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
        _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x8b4b84c "\234\n�\b"}}, cause = 0x8be0a74, 
      stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
          _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x6, _M_finish = 0x10, 
            _M_end_of_storage = 0x8b4b848}}, <No data fields>}}, <No data fields>}, <No data fields>}
#5  0x06005c52 in activemq::connector::openwire::OpenWireConnector::oneway (this=0x8b74188, command=0xb70b7074) at activemq/connector/openwire/OpenWireConnector.cpp:1495
        ex = {<activemq::connector::ConnectorException> = {<activemq::exceptions::ActiveMQException> = {<cms::CMSException> = {<> = {<No data fields>}, <No data fields>}, <decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
          _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}}, cause = 0x6, 
        stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
            _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x62d232c, _M_finish = 0x6100bc0, 
              _M_end_of_storage = 0x8a42358}}, <No data fields>}}, <No data fields>}, <No data fields>}, <No data fields>}
#6  0x06007440 in activemq::connector::openwire::OpenWireConnector::acknowledge (this=0x8b74188, session=0x8b99c90, consumer=0x8b9aa90, message=0x8be08f8, ackType=<value optimized out>)
    at activemq/connector/openwire/OpenWireConnector.cpp:916
        ack = {<activemq::connector::openwire::commands::BaseCommand<activemq::transport::Command>> = {<activemq::transport::Command> = {
      _vptr.Command = 0x62c8148}, <activemq::connector::openwire::commands::BaseDataStructure> = {<activemq::connector::openwire::commands::DataStructure> = {<activemq::connector::openwire::marshal::MarshalAware> = {_vptr.MarshalAware = 0x62c81cc}, <No data fields>}, <No data fields>}, responseRequired = false, commandId = 0}, destination = 0x8a42290, transactionId = 0x0, 
  consumerId = 0x8a422c8, ackType = 2 '\002', firstMessageId = 0x8b2d2b0, lastMessageId = 0x8ad4c48, messageCount = 1, static ID_MESSAGEACK = <optimized out>}
        ex = <value optimized out>
        ex = <value optimized out>
#7  0x05f94ccd in activemq::core::ActiveMQConsumer::acknowledge (this=0x8b9aae8, message=0x8be09b0, ackType=2) at activemq/core/ActiveMQConsumer.cpp:458
        ex = {<cms::CMSException> = {<> = {<No data fields>}, <No data fields>}, <decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
      static npos = 4294967295, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x8be0be8 "�f�\bpA�"}}, 
    cause = 0xb7adac6c, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb7ade20c, _M_finish = 0xb7adac6c, 
          _M_end_of_storage = 0x6}}, <No data fields>}}, <No data fields>}
#8  0x05f9513c in activemq::core::ActiveMQConsumer::afterMessageIsConsumed (this=0x8b9aae8, message=0x8be09b0, messageExpired=false) at activemq/core/ActiveMQConsumer.cpp:408
No locals.
#9  0x05f95eff in activemq::core::ActiveMQConsumer::dispatch (this=0x8b9aae8, data=@0x8b9aa48) at activemq/core/ActiveMQConsumer.cpp:492
        message = (class activemq::core::ActiveMQMessage *) 0x8be09b0
#10 0x05faf0b5 in activemq::core::ActiveMQSessionExecutor::dispatch (this=0x8b99938, data=@0x8b9aa48) at activemq/core/ActiveMQSessionExecutor.cpp:185
        lock_W = {_vptr.Lock = 0x62bc350, locked = false, syncObject = 0x8b99ea0}
#11 0x05fb06e1 in activemq::core::ActiveMQSessionExecutor::dispatchAll (this=0x8b99938) at activemq/core/ActiveMQSessionExecutor.cpp:266
        lock_W = {_vptr.Lock = 0x62bc350, locked = false, syncObject = 0x8b99950}
        dataList = {<std::_List_base<activemq::core::DispatchData,std::allocator<activemq::core::DispatchData> >> = {
    _M_impl = {<std::allocator<std::_List_node<activemq::core::DispatchData> >> = {<__gnu_cxx::new_allocator<std::_List_node<activemq::core::DispatchData> >> = {<No data fields>}, <No data fields>}, _M_node = {_M_next = 0x8b9aa40, _M_prev = 0x8b9aa40}}}, <No data fields>}
        lock_W = {_vptr.Lock = 0x62bc350, locked = true, syncObject = 0x8b99970}
#12 0x05fb0d0f in activemq::core::ActiveMQSessionExecutor::run (this=0x8b99938) at activemq/core/ActiveMQSessionExecutor.cpp:208
No locals.
#13 0x06086098 in decaf::lang::Thread::runCallback (self=0x8b43590, param=0x8b9aa28) at decaf/lang/Thread.cpp:125
No locals.
#14 0x001e9736 in dummy_worker (opaque=0x8b43590) at threadproc/unix/thread.c:142
No locals.
#15 0x00a9d45b in start_thread (arg=0xb70b7b90) at pthread_create.c:296
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = (struct pthread *) 0xb70b7b90
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {11190260, 0, 4001536, -1223985992, 715026036, -1656960580}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
      cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
#16 0x009f4e5e in clone () from /lib/libc.so.6
        fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = {mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, 
    fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}}
        __elf_set___libc_subfreeres_element_fstab_free__ = (const void *) 0xa33830

{noformat}

{noformat}
Thread 2

#0  0x00cf5402 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00aa3e1b in read () from /lib/libpthread.so.0
No symbol table info available.
#2  0x001e394a in apr_socket_recv (sock=0x8badbc0, buf=0x8b9b4c8 "", len=0xb66b60c0) at /usr/include/bits/unistd.h:35
        rv = <value optimized out>
        arv = <value optimized out>
#3  0x060717b9 in decaf::net::SocketInputStream::read (this=0x8b9b2b8, buffer=0x8b9b4c8 "", offset=0, bufferSize=1) at decaf/net/SocketInputStream.cpp:180
        size = 1
        result = <value optimized out>
#4  0x060918e1 in decaf::io::BufferedInputStream::bufferData (this=0x8b9b408) at decaf/io/BufferedInputStream.cpp:260
        available = 0
        bytesRead = <value optimized out>
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xa4a758 "double free or corruption (fasttop)"}}, 
    cause = 0x8b9aa40, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x62c0518, _M_finish = 0x8b9aa44, 
          _M_end_of_storage = 0x61f9300}}, <No data fields>}}, <No data fields>}
#5  0x06091e61 in decaf::io::BufferedInputStream::read (this=0x8b9b408, targetBuffer=0xb66b61f4 "", offset=0, targetBufferSize=4) at decaf/io/BufferedInputStream.cpp:181
        bytesToCopy = 0
        totalRead = 0
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x8bed9dc ""}}, cause = 0x62d232c, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb66b61b8, _M_finish = 0xe6b5d4, 
          _M_end_of_storage = 0x8be00d8}}, <No data fields>}}, <No data fields>}
#6  0x06095878 in decaf::io::DataInputStream::readInt (this=0x8bd3378) at decaf/io/DataInputStream.h:360
        buffer = "\000\000\000"
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x8bed9d8 "\230پ\b"}}, cause = 0xb66b6b90, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb66b6b90, _M_finish = 0x1de8e0, 
          _M_end_of_storage = 0x8bb8084}}, <No data fields>}}, <No data fields>}
#7  0x05ffd0fe in activemq::connector::openwire::OpenWireFormat::unmarshal (this=0x8bce998, dis=0x8bd3378) at activemq/connector/openwire/OpenWireFormat.cpp:227
        data = <value optimized out>
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xb66b6278 "�bk��}\003\006\220\177�\b@��\b�bk�"}}, 
    cause = 0x609c5af, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x8bb8080, _M_finish = 0x8bdf700, 
          _M_end_of_storage = 0x8be05dc}}, <No data fields>}}, <No data fields>}
#8  0x06002341 in activemq::connector::openwire::OpenWireCommandReader::readCommand (this=0x8bba0ac) at activemq/connector/openwire/OpenWireCommandReader.cpp:71
        ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
        _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}}, cause = 0x0, 
      stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
          _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, 
            _M_end_of_storage = 0x0}}, <No data fields>}}, <No data fields>}, <No data fields>}
#9  0x0603197a in activemq::transport::IOTransport::run (this=0x8b9afd8) at activemq/transport/IOTransport.cpp:188
        command = (class activemq::transport::Command *) 0x8b9aa40
#10 0x06086098 in decaf::lang::Thread::runCallback (self=0x8b435b0, param=0x8bd74d8) at decaf/lang/Thread.cpp:125
No locals.
#11 0x001e9736 in dummy_worker (opaque=0x8b435b0) at threadproc/unix/thread.c:142
No locals.
#12 0x00a9d45b in start_thread (arg=0xb66b6b90) at pthread_create.c:296
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = (struct pthread *) 0xb66b6b90
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {11190260, 0, 4001536, -1234475848, 738098804, -1656960580}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
      cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
#13 0x009f4e5e in clone () from /lib/libc.so.6
        fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = {mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, 
    fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}}
        __elf_set___libc_subfreeres_element_fstab_free__ = (const void *) 0xa33830


{noformat}

{noformat}
Thread 3

#0  0x00cf5402 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00aa3e1b in read () from /lib/libpthread.so.0
No symbol table info available.
#2  0x001e394a in apr_socket_recv (sock=0x8b67980, buf=0x8b6f890 "", len=0xb7ab80c0) at /usr/include/bits/unistd.h:35
        rv = <value optimized out>
        arv = <value optimized out>
#3  0x060717b9 in decaf::net::SocketInputStream::read (this=0x8b5f2d0, buffer=0x8b6f890 "", offset=0, bufferSize=1) at decaf/net/SocketInputStream.cpp:180
        size = 1
        result = <value optimized out>
#4  0x060918e1 in decaf::io::BufferedInputStream::bufferData (this=0x8abca00) at decaf/io/BufferedInputStream.cpp:260
        available = 0
        bytesRead = <value optimized out>
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xe3a731 ""}}, cause = 0x8be05e8, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x62d232c, _M_finish = 0xb7ab8148, 
          _M_end_of_storage = 0x60fef73}}, <No data fields>}}, <No data fields>}
#5  0x06091e61 in decaf::io::BufferedInputStream::read (this=0x8abca00, targetBuffer=0xb7ab81f4 "", offset=0, targetBufferSize=4) at decaf/io/BufferedInputStream.cpp:181
        bytesToCopy = 0
        totalRead = 0
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xffffffff <Address 0xffffffff out of bounds>}}, cause = 0x0, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x6, _M_finish = 0x62be740, 
          _M_end_of_storage = 0x8be05e8}}, <No data fields>}}, <No data fields>}
#6  0x06095878 in decaf::io::DataInputStream::readInt (this=0x8b8d490) at decaf/io/DataInputStream.h:360
        buffer = "\000\000\000"
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x6 <Address 0x6 out of bounds>}}, cause = 0xb7ab825c, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb7ab8228, _M_finish = 0x6204660, 
          _M_end_of_storage = 0x8be05e8}}, <No data fields>}}, <No data fields>}
#7  0x05ffd0fe in activemq::connector::openwire::OpenWireFormat::unmarshal (this=0x8b88b30, dis=0x8b8d490) at activemq/connector/openwire/OpenWireFormat.cpp:227
        data = <value optimized out>
        ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
      _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xb7ab8278 "�\202���}\003\006\030\223�\b�\005�\b@�+\006"}}, 
    cause = 0x600490d, 
    stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
        _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x8b74188, _M_finish = 0x8be05e8, 
          _M_end_of_storage = 0x62c0518}}, <No data fields>}}, <No data fields>}
#8  0x06002341 in activemq::connector::openwire::OpenWireCommandReader::readCommand (this=0x8b74204) at activemq/connector/openwire/OpenWireCommandReader.cpp:71
        ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
        _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}}, cause = 0x0, 
      stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
          _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, 
            _M_end_of_storage = 0x0}}, <No data fields>}}, <No data fields>}, <No data fields>}
#9  0x0603197a in activemq::transport::IOTransport::run (this=0x8a1fce8) at activemq/transport/IOTransport.cpp:188
        command = (class activemq::transport::Command *) 0x8be05e8
#10 0x06086098 in decaf::lang::Thread::runCallback (self=0x8b43570, param=0x8b915f0) at decaf/lang/Thread.cpp:125
No locals.
#11 0x001e9736 in dummy_worker (opaque=0x8b43570) at threadproc/unix/thread.c:142
No locals.
#12 0x00a9d45b in start_thread (arg=0xb7ab8b90) at pthread_create.c:296
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = (struct pthread *) 0xb7ab8b90
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {11190260, 0, 4001536, -1213496136, 708746868, -1656960580}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
      cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
#13 0x009f4e5e in clone () from /lib/libc.so.6
        fstab_state = {fs_fp = 0x0, fs_buffer = 0x0, fs_mntres = {mnt_fsname = 0x0, mnt_dir = 0x0, mnt_type = 0x0, mnt_opts = 0x0, mnt_freq = 0, mnt_passno = 0}, fs_ret = {fs_spec = 0x0, 
    fs_file = 0x0, fs_vfstype = 0x0, fs_mntops = 0x0, fs_type = 0x0, fs_freq = 0, fs_passno = 0}}
        __elf_set___libc_subfreeres_element_fstab_free__ = (const void *) 0xa33830

{noformat}

{noformat}
Thread 4

#0  0x0098c594 in _int_free (av=0xa64140, mem=0x8b586d0) at malloc.c:4471
        p = <value optimized out>
        size = 48
        fb = <value optimized out>
        nextchunk = <value optimized out>
        nextsize = <value optimized out>
        prevsize = <value optimized out>
        bck = <value optimized out>
        fwd = <value optimized out>
        errstr = <value optimized out>
#1  0x009901e0 in *__GI___libc_free (mem=0x8b586d0) at malloc.c:3545
        ar_ptr = (mstate) 0xa64140
        p = (mchunkptr) 0x8b586c8
        hook = (void (*)(void *, const void *)) 0
#2  0x00e3a731 in __cxa_free_exception () from /usr/lib/libstdc++.so.6
No symbol table info available.
#3  0x001abc9d in std::_Rb_tree<boost::python::converter::registration, boost::python::converter::registration, std::_Identity<boost::python::converter::registration>, std::less<boost::python::converter::registration>, std::allocator<boost::python::converter::registration> >::_M_erase (this=0x1c9954, __x=0x8b53ad8) at /usr/include/c++/4.1.1/ext/new_allocator.h:94
No locals.
#4  0x001ab354 in __tcf_0 () at /usr/include/c++/4.1.1/bits/stl_tree.h:1264
No locals.
#5  0x0094f9c9 in *__GI_exit (status=0) at exit.c:75
        atfct = <value optimized out>
        onfct = <value optimized out>
        cxafct = (void (*)(void *, int)) 0
        f = (const struct exit_function * const) 0x1
#6  0x00b54a42 in Py_Exit (sts=0) at Python/pythonrun.c:1575
No locals.
#7  0x00b54b12 in handle_system_exit () at Python/pythonrun.c:1041
        exception = (PyObject *) 0xb7ee835c
        value = (PyObject *) 0x8a14f24
        tb = (PyObject *) 0xb7ade43c
        exitcode = 0
#8  0x00b54d29 in PyErr_PrintEx (set_sys_last_vars=1) at Python/pythonrun.c:1051
        args = <value optimized out>
        result = <value optimized out>
        exception = <value optimized out>
        v = <value optimized out>
        tb = <value optimized out>
        hook = <value optimized out>
#9  0x00b54f5e in PyErr_Print () at Python/pythonrun.c:965
No locals.
#10 0x00b55141 in PyRun_SimpleFileExFlags (fp=0xbfa83a78, filename=0xbfa84b03 "./run_agent.py", closeit=1, flags=0xbfa83b74) at Python/pythonrun.c:864
        m = <value optimized out>
        d = (PyObject *) 0xb7efb824
        v = (PyObject *) 0x0
        ext = 0xbfa84b0d "t.py"
#11 0x00b558ca in PyRun_AnyFileExFlags (fp=0x8a11008, filename=0xbfa84b03 "./run_agent.py", closeit=1, flags=0xbfa83b74) at Python/pythonrun.c:664
        err = <value optimized out>
#12 0x00b5c2d5 in Py_Main (argc=2, argv=0xbfa83c44) at Modules/main.c:493
        v = <value optimized out>
        c = <value optimized out>
        sts = <value optimized out>
        command = 0x0
        filename = 0x0
        module = 0x0
        fp = (FILE *) 0x8a11008
        p = <value optimized out>
        inspect = 0
        unbuffered = 0
        skipfirstline = 0
        stdin_is_interactive = 1
        help = 0
        version = 0
        saw_inspect_flag = 0
        saw_unbuffered_flag = 0
        cf = {cf_flags = 0}
#13 0x080485b2 in main (argc=Cannot access memory at address 0x1
) at Modules/python.c:23
{noformat}

> Segmentation fault in APR
> -------------------------
>
>                 Key: AMQCPP-231
>                 URL: https://issues.apache.org/activemq/browse/AMQCPP-231
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: Openwire
>    Affects Versions: 2.2.4
>         Environment: RHEL 5.2 , ActiveMQ 5.2.0
>            Reporter: Sebastien SOILEN
>            Assignee: Timothy Bish
>
> We get this segmentation fault occasionally with a monitoring script which establishes and closes a connection to the broker.
> Here is the used script:
> {quote}
>     import sys
>     from pyactivemq import *
>     broker = "tcp://127.0.0.1:61616?connection.closeTimeout=1000&connection.sendTimeout=5000&connection.socketBufferSize=128*1024"
>     def check_broker():
>     try:
>     f = pyactivemq.ActiveMQConnectionFactory(broker)
>     c = f.createConnection()
>     c.start()
>     c.stop()
>     c.close()
>     sys.exit(0)
>     except Exception, e:
>     sys.stderr.write("Erreur activeMQ: "+str(e))
>     sys.exit(1)
>     check_broker()
> {quote}
> Here are the full traces:
> {quote}
> Core was generated by `python /etc/init.d/appli_ccss.py status'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x00210bf7 in apr_atomic_add32 (mem=0x87c010c, val=1) at atomic/unix/mutex.c:78
> 78	    apr_thread_mutex_t *mutex = hash_mutex[ATOMIC_HASH(mem)];
> (gdb) thread apply all bt full
> Thread 4 (process 13751):
> #0  0x00d97940 in __gnu_cxx::stdio_sync_filebuf<wchar_t, std::char_traits<wchar_t> >::file () from /usr/lib/libstdc++.so.6
> No symbol table info available.
> #1  0x00d99502 in std::ostream::flush () from /usr/lib/libstdc++.so.6
> No symbol table info available.
> #2  0x00d61bb1 in std::ios_base::Init::~Init () from /usr/lib/libstdc++.so.6
> No symbol table info available.
> #3  0x00d77150 in std::basic_ios<char, std::char_traits<char> >::copyfmt () from /usr/lib/libstdc++.so.6
> No symbol table info available.
> #4  0x005029c9 in exit () from /lib/libc.so.6
> No symbol table info available.
> #5  0x00707a42 in Py_Exit () from /usr/lib/libpython2.4.so.1.0
> No symbol table info available.
> #6  0x00707b12 in Py_Exit () from /usr/lib/libpython2.4.so.1.0
> No symbol table info available.
> #7  0x00707d29 in PyErr_PrintEx () from /usr/lib/libpython2.4.so.1.0
> No symbol table info available.
> #8  0x00707f5e in PyErr_Print () from /usr/lib/libpython2.4.so.1.0
> No symbol table info available.
> #9  0x00708141 in PyRun_SimpleFileExFlags () from /usr/lib/libpython2.4.so.1.0
> No symbol table info available.
> #10 0x007088ca in PyRun_AnyFileExFlags () from /usr/lib/libpython2.4.so.1.0
> No symbol table info available.
> #11 0x0070f2d5 in Py_Main () from /usr/lib/libpython2.4.so.1.0
> No symbol table info available.
> #12 0x080485b2 in main ()
> No symbol table info available.
> Thread 3 (process 13772):
> #0  0x00434402 in __kernel_vsyscall ()
> No symbol table info available.
> #1  0x0062de1b in read () from /lib/libpthread.so.0
> No symbol table info available.
> #2  0x0020894a in apr_socket_recv (sock=0x894ccb8, buf=0x8954bc8 "", len=0xb7ad30c0) at /usr/include/bits/unistd.h:35
> 	rv = <value optimized out>
> 	arv = <value optimized out>
> #3  0x011548d9 in decaf::net::SocketInputStream::read (this=0x8947018, buffer=0x8954bc8 "", offset=0, bufferSize=1)
>     at decaf/net/SocketInputStream.cpp:180
> 	size = 1
> 	result = <value optimized out>
> #4  0x01174a01 in decaf::io::BufferedInputStream::bufferData (this=0x893f240) at decaf/io/BufferedInputStream.cpp:260
> 	available = 0
> 	bytesRead = <value optimized out>
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0xdc9731 "\203Ä\004[]Ã\220\220\220\220\220\220\220\220\220U\211åS\203ì\004\213E\bèèÅøÿ\201Ã\205\016\003"}}, 
>     cause = 0x884dee8, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x13b544c, _M_finish = 0xb7ad3148, 
>           _M_end_of_storage = 0x11e2093}}, <No data fields>}}, <No data fields>}
> #5  0x01174f81 in decaf::io::BufferedInputStream::read (this=0x893f240, targetBuffer=0xb7ad31f4 "", offset=0, 
>     targetBufferSize=4) at decaf/io/BufferedInputStream.cpp:181
> 	bytesToCopy = 0
> 	totalRead = 0
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0xffffffff <Address 0xffffffff out of bounds>}}, cause = 0x0, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x6, _M_finish = 0x13a1860, 
>           _M_end_of_storage = 0x884dee8}}, <No data fields>}}, <No data fields>}
> #6  0x01178998 in decaf::io::DataInputStream::readInt (this=0x8972228) at decaf/io/DataInputStream.h:360
> 	buffer = "\000\000\000"
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0x6 <Address 0x6 out of bounds>}}, cause = 0xb7ad325c, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb7ad3228, _M_finish = 0x12e7780, 
>           _M_end_of_storage = 0x884dee8}}, <No data fields>}}, <No data fields>}
> #7  0x010e021e in activemq::connector::openwire::OpenWireFormat::unmarshal (this=0x896d8d8, dis=0x8972228)
>     at activemq/connector/openwire/OpenWireFormat.cpp:227
> 	data = <value optimized out>
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0xb7ad3278 "Ø2­- ï®\021\001°à\226\bèÞ\204\b`\030:\001"}}, cause = 0x10e7a2d, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x8949d10, _M_finish = 0x884dee8, 
>           _M_end_of_storage = 0x13a3638}}, <No data fields>}}, <No data fields>}
> #8  0x010e5461 in activemq::connector::openwire::OpenWireCommandReader::readCommand (this=0x8949d8c)
>     at activemq/connector/openwire/OpenWireCommandReader.cpp:71
> 	ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
>         _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>           _M_p = 0x0}}, cause = 0x0, 
>       stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>           _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, 
>             _M_end_of_storage = 0x0}}, <No data fields>}}, <No data fields>}, <No data fields>}
> #9  0x01114a9a in activemq::transport::IOTransport::run (this=0x8925f30) at activemq/transport/IOTransport.cpp:188
> 	command = (class activemq::transport::Command *) 0x884dee8
> #10 0x011691b8 in decaf::lang::Thread::runCallback (self=0x88e8398, param=0x8976388) at decaf/lang/Thread.cpp:125
> No locals.
> #11 0x0020e736 in dummy_worker (opaque=0x88e8398) at threadproc/unix/thread.c:142
> No locals.
> #12 0x0062745b in start_thread () from /lib/libpthread.so.0
> No symbol table info available.
> #13 0x005a7c4e in clone () from /lib/libc.so.6
> No symbol table info available.
> Thread 2 (process 13781):
> #0  0x00434402 in __kernel_vsyscall ()
> No symbol table info available.
> #1  0x0062de1b in read () from /lib/libpthread.so.0
> No symbol table info available.
> #2  0x0020894a in apr_socket_recv (sock=0x8992958, buf=0x8980260 "", len=0xb66d10c0) at /usr/include/bits/unistd.h:35
> 	rv = <value optimized out>
> 	arv = <value optimized out>
> #3  0x011548d9 in decaf::net::SocketInputStream::read (this=0x8980050, buffer=0x8980260 "", offset=0, bufferSize=1)
>     at decaf/net/SocketInputStream.cpp:180
> 	size = 1
> 	result = <value optimized out>
> #4  0x01174a01 in decaf::io::BufferedInputStream::bufferData (this=0x89801a0) at decaf/io/BufferedInputStream.cpp:260
> 	available = 0
> 	bytesRead = <value optimized out>
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0x5fd558 "double free or corruption (fasttop)"}}, cause = 0x89c4d50, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x13a3638, _M_finish = 0x89c4d54, 
>           _M_end_of_storage = 0x12dc420}}, <No data fields>}}, <No data fields>}
> #5  0x01174f81 in decaf::io::BufferedInputStream::read (this=0x89801a0, targetBuffer=0xb66d11f4 "", offset=0, 
>     targetBufferSize=4) at decaf/io/BufferedInputStream.cpp:181
> 	bytesToCopy = 0
> 	totalRead = 0
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0x89d2764 ""}}, cause = 0x13b544c, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb66d11b8, _M_finish = 0xdfa5d4, 
>           _M_end_of_storage = 0x62db51}}, <No data fields>}}, <No data fields>}
> #6  0x01178998 in decaf::io::DataInputStream::readInt (this=0x89b8100) at decaf/io/DataInputStream.h:360
> 	buffer = "\000\000\000"
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0x89d2760 " '\235\b"}}, cause = 0xb66d1b90, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb66d1b90, _M_finish = 0x2038e0, 
>           _M_end_of_storage = 0x899ce1c}}, <No data fields>}}, <No data fields>}
> #7  0x010e021e in activemq::connector::openwire::OpenWireFormat::unmarshal (this=0x89b3730, dis=0x89b8100)
>     at activemq/connector/openwire/OpenWireFormat.cpp:227
> 	data = <value optimized out>
> 	ex = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {
>       static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0xb66d1278 "Ø\022m¶Ç®\021\001(Í\231\bPM\234\bÈ\022m¶"}}, cause = 0x117f6cf, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x899ce18, _M_finish = 0x89c4700, 
>           _M_end_of_storage = 0x884deb4}}, <No data fields>}}, <No data fields>}
> #8  0x010e5461 in activemq::connector::openwire::OpenWireCommandReader::readCommand (this=0x899ee44)
>     at activemq/connector/openwire/OpenWireCommandReader.cpp:71
> 	ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
>         _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>           _M_p = 0x0}}, cause = 0x0, 
>       stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>           _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, 
>             _M_end_of_storage = 0x0}}, <No data fields>}}, <No data fields>}, <No data fields>}
> #9  0x01114a9a in activemq::transport::IOTransport::run (this=0x897fd70) at activemq/transport/IOTransport.cpp:188
> 	command = (class activemq::transport::Command *) 0x89c4d50
> #10 0x011691b8 in decaf::lang::Thread::runCallback (self=0x88e83d8, param=0x89bc260) at decaf/lang/Thread.cpp:125
> No locals.
> #11 0x0020e736 in dummy_worker (opaque=0x88e83d8) at threadproc/unix/thread.c:142
> No locals.
> #12 0x0062745b in start_thread () from /lib/libpthread.so.0
> No symbol table info available.
> #13 0x005a7c4e in clone () from /lib/libc.so.6
> No symbol table info available.
> Thread 1 (process 13776):
> #0  0x00210bf7 in apr_atomic_add32 (mem=0x87c010c, val=1) at atomic/unix/mutex.c:78
> 	old_value = 0
> 	mutex = <value optimized out>
> #1  0x00210c65 in apr_atomic_inc32 (mem=0x87c010c) at atomic/unix/mutex.c:132
> No locals.
> #2  0x01186460 in decaf::util::concurrent::atomic::AtomicInteger::getAndIncrement (this=0x87c0108)
>     at decaf/util/concurrent/atomic/AtomicInteger.cpp:54
> No locals.
> #3  0x01119713 in activemq::transport::filters::ResponseCorrelator::oneway (this=0x87c00e8, command=0xb70d2074)
>     at activemq/transport/filters/ResponseCorrelator.cpp:51
> 	ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
>         _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>           _M_p = 0x1 <Address 0x1 out of bounds>}}, cause = 0x20, 
>       stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>           _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x617150, _M_finish = 0x0, 
>             _M_end_of_storage = 0x1}}, <No data fields>}}, <No data fields>}, <No data fields>}
> #4  0x010e7ff3 in activemq::connector::openwire::OpenWireFormatNegotiator::oneway (this=0x896e0b0, command=0xb70d2074)
>     at activemq/connector/openwire/OpenWireFormatNegotiator.cpp:75
> 	ex = {<decaf::io::IOException> = {<decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
>         _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>           _M_p = 0x884ff4c "lY\234\b"}}, cause = 0x89c5944, 
>       stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>           _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x6, _M_finish = 0x10, 
>             _M_end_of_storage = 0x884ff48}}, <No data fields>}}, <No data fields>}, <No data fields>}
> #5  0x010e8d72 in activemq::connector::openwire::OpenWireConnector::oneway (this=0x8949d10, command=0xb70d2074)
>     at activemq/connector/openwire/OpenWireConnector.cpp:1495
> 	ex = {<activemq::connector::ConnectorException> = {<activemq::exceptions::ActiveMQException> = {<cms::CMSException> = {<> = {<No data fields>}, <No data fields>}, <decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
>           _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>             _M_p = 0x0}}, cause = 0x6, 
>         stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>             _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0x13b544c, _M_finish = 0x11e3ce0, 
>               _M_end_of_storage = 0x897f9b0}}, <No data fields>}}, <No data fields>}, <No data fields>}, <No data fields>}
> #6  0x010ea560 in activemq::connector::openwire::OpenWireConnector::acknowledge (this=0x8949d10, session=0x897ea78, 
>     consumer=0x897f870, message=0x89c5550, ackType=<value optimized out>)
>     at activemq/connector/openwire/OpenWireConnector.cpp:916
> 	ack = {<activemq::connector::openwire::commands::BaseCommand<activemq::transport::Command>> = {<activemq::transport::Command> = {
>       _vptr.Command = 0x13ab268}, <activemq::connector::openwire::commands::BaseDataStructure> = {<activemq::connector::openwire::commands::DataStructure> = {<activemq::connector::openwire::marshal::MarshalAware> = {
>           _vptr.MarshalAware = 0x13ab2ec}, <No data fields>}, <No data fields>}, responseRequired = false, commandId = 0}, 
>   destination = 0x884dea8, transactionId = 0x0, consumerId = 0x884dee0, ackType = 2 '\002', firstMessageId = 0x89c52a0, 
>   lastMessageId = 0x884ff28, messageCount = 1, static ID_MESSAGEACK = <optimized out>}
> 	ex = <value optimized out>
> 	ex = <value optimized out>
> #7  0x01077ded in activemq::core::ActiveMQConsumer::acknowledge (this=0x897f8a8, message=0x89c5608, ackType=2)
>     at activemq/core/ActiveMQConsumer.cpp:458
> 	ex = {<cms::CMSException> = {<> = {<No data fields>}, <No data fields>}, <decaf::lang::Exception> = {<decaf::lang::Throwable> = {<> = {<No data fields>}, <No data fields>}, message = {static npos = 4294967295, 
>       _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
>         _M_p = 0x1d3550 "U\211åWVS\203ì\f\213E\bè6(ÿÿ\201ÃÏš\001"}}, cause = 0x8d6f78, 
>     stackTrace = {<std::_Vector_base<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int>,std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> > >> = {
>         _M_impl = {<std::allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<__gnu_cxx::new_allocator<std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, int> >> = {<No data fields>}, <No data fields>}, _M_start = 0xb7b00c6c, _M_finish = 0x89c5ae8, 
>           _M_end_of_storage = 0xb70d2178}}, <No data fields>}}, <No data fields>}
> #8  0x0107825c in activemq::core::ActiveMQConsumer::afterMessageIsConsumed (this=0x897f8a8, message=0x89c5608, 
>     messageExpired=false) at activemq/core/ActiveMQConsumer.cpp:408
> No locals.
> #9  0x0107901f in activemq::core::ActiveMQConsumer::dispatch (this=0x897f8a8, data=@0x89c5a80)
>     at activemq/core/ActiveMQConsumer.cpp:492
> 	message = (class activemq::core::ActiveMQMessage *) 0x89c5608
> #10 0x010921d5 in activemq::core::ActiveMQSessionExecutor::dispatch (this=0x897ed48, data=@0x89c5a80)
>     at activemq/core/ActiveMQSessionExecutor.cpp:185
> 	lock_W = {_vptr.Lock = 0x139f470, locked = false, syncObject = 0x897ec20}
> #11 0x01093801 in activemq::core::ActiveMQSessionExecutor::dispatchAll (this=0x897ed48)
>     at activemq/core/ActiveMQSessionExecutor.cpp:266
> 	lock_W = {_vptr.Lock = 0x139f470, locked = false, syncObject = 0x897ed60}
> 	dataList = {<std::_List_base<activemq::core::DispatchData,std::allocator<activemq::core::DispatchData> >> = {
>     _M_impl = {<std::allocator<std::_List_node<activemq::core::DispatchData> >> = {<__gnu_cxx::new_allocator<std::_List_node<activemq::core::DispatchData> >> = {<No data fields>}, <No data fields>}, _M_node = {_M_next = 0x89c5a78, 
>         _M_prev = 0x89c5a78}}}, <No data fields>}
> 	lock_W = {_vptr.Lock = 0x139f470, locked = true, syncObject = 0x897ed80}
> #12 0x01093e2f in activemq::core::ActiveMQSessionExecutor::run (this=0x897ed48)
>     at activemq/core/ActiveMQSessionExecutor.cpp:208
> No locals.
> #13 0x011691b8 in decaf::lang::Thread::runCallback (self=0x88e83b8, param=0x897f778) at decaf/lang/Thread.cpp:125
> No locals.
> #14 0x0020e736 in dummy_worker (opaque=0x88e83b8) at threadproc/unix/thread.c:142
> No locals.
> #15 0x0062745b in start_thread () from /lib/libpthread.so.0
> No symbol table info available.
> #16 0x005a7c4e in clone () from /lib/libc.so.6
> No symbol table info available.
> {quote}

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