CmsTemplate testBasics test can hang
------------------------------------
Key: AMQCPP-205
URL: https://issues.apache.org/activemq/browse/AMQCPP-205
Project: ActiveMQ C++ Client
Issue Type: Bug
Components: Integration Tests
Affects Versions: 2.2.1, 2.2.2
Environment: CentOS / REHL
Reporter: Timothy Bish
Assignee: Timothy Bish
Fix For: 2.3
Attachments: receiving.187.log.gz
Running the CmsTemplate integration tests in a loop can result in a hang. The
code appears to be deadlocked when two threads that share the same instance of
an ActiveMQSessionExecutor are run.
This snippet from a backtrace shows the case:
{noformat}
Thread 3 (Thread 1094732688 (LWP 15620)):
#0 0x40000402 in __kernel_vsyscall ()
#1 0x005ac266 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2 0x4056c327 in apr_thread_cond_wait (cond=0x86813a0, mutex=0x40912ae8) at
locks/unix/thread_cond.c:68
#3 0x4031e458 in decaf::util::concurrent::Mutex::wait (this=0x409030c0,
millisecs=4294967295) at decaf/util/concurrent/Mutex.cpp:116
#4 0x4031e13e in decaf::util::concurrent::Mutex::wait (this=0x409030c0) at
decaf/util/concurrent/Mutex.cpp:82
#5 0x40238268 in activemq::core::ActiveMQSessionExecutor::run
(this=0x409030a8) at activemq/core/ActiveMQSessionExecutor.cpp:222
#6 0x4030589f in decaf::lang::Thread::runCallback (self=0x858f488,
param=0x40902f08) at decaf/lang/Thread.cpp:121
#7 0x4057aa1c in dummy_worker (opaque=0x858f488) at
threadproc/unix/thread.c:142
#8 0x005a846b in start_thread () from /lib/libpthread.so.0
#9 0x004ffdbe in clone () from /lib/libc.so.6
Thread 2 (Thread 1098935184 (LWP 15621)):
#0 0x40000402 in __kernel_vsyscall ()
#1 0x005ac266 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2 0x4056c327 in apr_thread_cond_wait (cond=0x86813d8, mutex=0x40912ae8) at
locks/unix/thread_cond.c:68
#3 0x4031e458 in decaf::util::concurrent::Mutex::wait (this=0x409030c0,
millisecs=4294967295) at decaf/util/concurrent/Mutex.cpp:116
#4 0x4031e13e in decaf::util::concurrent::Mutex::wait (this=0x409030c0) at
decaf/util/concurrent/Mutex.cpp:82
#5 0x40238268 in activemq::core::ActiveMQSessionExecutor::run
(this=0x409030a8) at activemq/core/ActiveMQSessionExecutor.cpp:222
#6 0x4030589f in decaf::lang::Thread::runCallback (self=0x858f488,
param=0x40902f08) at decaf/lang/Thread.cpp:121
#7 0x4057aa1c in dummy_worker (opaque=0x858f488) at
threadproc/unix/thread.c:142
#8 0x005a846b in start_thread () from /lib/libpthread.so.0
#9 0x004ffdbe in clone () from /lib/libc.so.6
{noformat}
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