Transacted session crashes or loses messages
--------------------------------------------
Key: AMQCPP-128
URL: https://issues.apache.org/activemq/browse/AMQCPP-128
Project: ActiveMQ C++ Client
Issue Type: Bug
Affects Versions: 2.1
Reporter: Albert Strasheim
Assignee: Nathan Mittler
Attachments: main.cpp
Attached is some code that does a few things with transacted sessions, in a
loop. This sometimes reproduces the crash I mentioned in one of my latest
comments in AMQCPP-122.
I'm testing on Windows XP SP2 with Visual Studio 8 on Core 2 Duo machine.
I've also seen all of the following happen in subsequent runs of the code:
- Where I expect to receive a message, nothing turns up (even with a long
timeout period). Cleanup goes fine.
- Where I expect to receive a message, nothing turns up. Cleanup hangs.
- Sometimes it prints:
Mutex::unlock - Failed, not Lock Owner!
FILE: ..\src\main\activemq\concurrent\Mutex.cpp, LINE: 83
FILE: activemq-cpp\src\main\activemq/concurrent/Lock.h, LINE: 110
FILE: ..\src\main\activemq\core\ActiveMQConsumer.cpp, LINE: 443
FILE: ..\src\main\activemq\core\ActiveMQSessionExecutor.cpp, LINE: 192
and keeps on going
- Sometimes it crashes with the following when running a Debug build on Windows:
---------------------------
Microsoft Visual C++ Debug Library
---------------------------
Debug Assertion Failed!
Program: ...
File: C:\Program Files\Microsoft Visual Studio 8\VC\include\list
Line: 776
Expression: list erase iterator outside range
For information on how your program can cause an assertion
failure, see the Visual C++ documentation on asserts.
(Press Retry to debug the application)
---------------------------
Abort Retry Ignore
---------------------------
- Sometimes it crashes with something along these lines:
---------------------------
vs2005-activemq-example.exe - Application Error
---------------------------
The instruction at "0x0053dd80" referenced memory at "0xdddddddd". The memory
could not be "read".
Click on OK to terminate the program
Click on CANCEL to debug the program
---------------------------
OK Cancel
---------------------------
The relevant thread's stack trace looks like this:
> vs2005-activemq-example.exe!activemq::core::ActiveMQSession::close()
> Line 110 + 0x8 bytes C++
vs2005-activemq-example.exe!activemq::core::ActiveMQSession::~ActiveMQSession()
Line 74 + 0x8 bytes C++
vs2005-activemq-example.exe!activemq::core::ActiveMQSession::`scalar
deleting destructor'() + 0xf bytes C++
vs2005-activemq-example.exe!test_transaction(const
std::basic_string<char,std::char_traits<char>,std::allocator<char> > &
url="tcp://localhost:61613?wireFormat=stomp") Line 78 + 0x37 bytes C++
vs2005-activemq-example.exe!main(int argc=1, char * * argv=0x003558c8)
Line 85 + 0x30 bytes C++
vs2005-activemq-example.exe!__tmainCRTStartup() Line 597 + 0x19 bytes
C
vs2005-activemq-example.exe!mainCRTStartup() Line 414 C
It crashes where it's doing resource->close() because resource points to
garbage.
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