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https://issues.apache.org/jira/browse/QPID-3129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014573#comment-13014573
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Alan Conway commented on QPID-3129:
-----------------------------------
Revision 1087052 fixes a race condition in posix/Socket.cpp Socket::connect
that was causing the hangs with the same local/remote port. However there is
another issue causing a hang (less frequent). In this case either sender or
receiver hangs with a stack trace that seems to indicate an exception thrown in
the FailoverUpdates thread (below). The main thread is hung in join() waiting
for the FailoverUpdates thread to exit. It appears that the thread is hung or
looping in gcc exception handling code. The traces are not always identical but
they always have some exception-related functions being called in the
FailoverUpdate thread.
Example:
#0 0x0000003507c0aa77 in ?? () from /lib64/libgcc_s.so.1
#1 0x0000003505108a07 in dl_iterate_phdr () from /lib64/libc.so.6
#2 0x0000003507c0a6b6 in _Unwind_Find_FDE () from /lib64/libgcc_s.so.1
#3 0x0000003507c07625 in ?? () from /lib64/libgcc_s.so.1
#4 0x0000003507c08f79 in _Unwind_RaiseException () from /lib64/libgcc_s.so.1
#5 0x00000035094bcf1d in __cxa_throw () from /usr/lib64/libstdc++.so.6
#6 0x00002ba6b5b306cd in
qpid::sys::ExceptionHolder::Wrapper<qpid::TransportFailure>::raise (this=<value
optimized out>) at ../../qpid/cpp/include/qpid/sys/ExceptionHolder.h:62
#7 0x00002ba6b5b53381 in raise (this=<value optimized out>) at
../../qpid/cpp/include/qpid/sys/ExceptionHolder.h:53
#8 qpid::client::SessionImpl::check (this=<value optimized out>) at
../../qpid/cpp/src/qpid/client/SessionImpl.cpp:775
#9 0x00002ba6b5b57ed7 in qpid::client::SessionImpl::checkOpen (this=0x257) at
../../qpid/cpp/src/qpid/client/SessionImpl.cpp:780
#10 0x00002ba6b5b5af18 in qpid::client::SessionImpl::sendCommand
(this=0x19f91710, command=..., content=0x0) at
../../qpid/cpp/src/qpid/client/SessionImpl.cpp:383
#11 0x00002ba6b5b5b1ea in qpid::client::SessionImpl::send (this=0x274,
command=...) at ../../qpid/cpp/src/qpid/client/SessionImpl.cpp:301
#12 0x00002ba6b5b0ae49 in
qpid::client::no_keyword::AsyncSession_0_10::messageSetFlowMode (this=<value
optimized out>, destination=<value optimized out>, flowMode=0 '\000',
sync=false) at ./qpid/client/no_keyword/AsyncSession_0_10.cpp:111
#13 0x00002ba6b588bd6c in
messageSetFlowMode_with_named_params<boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<qpid::client::arg::keyword_tags::destination,
std\
::basic_string<char, std::char_traits<char>, std::allocator<char> > const>,
boost::parameter::aux::arg_list<boost::parameter::aux::tagged_argument<qpid::client::arg::keyword_tags::flo\
wMode, qpid::framing::message::FlowMode const>,
boost::parameter::aux::empty_arg_list> > > (this=0x19ee4220, message=...,
timeout=...)
at ../include/qpid/client/AsyncSession_0_10.h:366
#14 messageSetFlowMode<std::string, qpid::framing::message::FlowMode>
(this=0x19ee4220, message=..., timeout=...) at
../include/qpid/client/AsyncSession_0_10.h:362
#15 qpid::client::amqp0_10::ReceiverImpl::fetchImpl (this=0x19ee4220,
message=..., timeout=...) at
../../qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.cpp:168
#16 0x00002ba6b588df14 in operator() (this=0x19f2af00, f=...) at
../../qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.h:118
#17
qpid::client::amqp0_10::SessionImpl::execute<qpid::client::amqp0_10::ReceiverImpl::Fetch>
(this=0x19f2af00, f=...) at
../../qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.h:99
#18 0x00002ba6b588c3e8 in qpid::client::amqp0_10::ReceiverImpl::fetch
(this=0x19ee4220, message=<value optimized out>, timeout=...)
at ../../qpid/cpp/src/qpid/client/amqp0_10/ReceiverImpl.cpp:71
#19 0x00002ba6b5866225 in qpid::messaging::Receiver::fetch (this=<value
optimized out>, message=..., timeout=...) at
../../qpid/cpp/src/qpid/messaging/Receiver.cpp:38
#20 0x00002ba6b5867937 in qpid::messaging::FailoverUpdatesImpl::run
(this=0x19f2a6d0) at ../../qpid/cpp/src/qpid/messaging/FailoverUpdates.cpp:63
#21 0x00002ba6b5ecac2a in qpid::sys::(anonymous namespace)::runRunnable
(p=0x257) at ../../qpid/cpp/src/qpid/sys/posix/Thread.cpp:35
#22 0x0000003505c0673d in start_thread () from /lib64/libpthread.so.0
#23 0x00000035050d40cd in clone () from /lib64/libc.so.6
> cluster_tests.LongTests.test_failover hangs
> --------------------------------------------
>
> Key: QPID-3129
> URL: https://issues.apache.org/jira/browse/QPID-3129
> Project: Qpid
> Issue Type: Bug
> Components: C++ Clustering
> Affects Versions: 0.9
> Reporter: Alan Conway
> Assignee: Alan Conway
> Priority: Minor
> Fix For: 0.9
>
>
> The test cluster_tests.LongTests.test_failover hangs if run with duration of
> a minute or more.
> To reproduce:
> make check TESTS=run_cluster_tests
> CLUSTER_TESTS='cluster_tests.LongTests.test_failover -DDURATION=1'
> Should pass after about 1 minute, but hangs indefinitely.
> This is probably a test bug.
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