I downloaded and installed the Windows C++ broker (0.8) binary installer. I
built the PUB/SUB example (MS VisualStudio 2005) and most of the time it
runs successfully. Occasionally, I get an exception deep in the OS.

Unhandled exception at 0x7c936822 in SUB_example.exe: 0xC0000005: Access
violation reading location 0x00000000

It's in the function __lock_fhandle in osfinfo.c. 

The application code is trying to cancel the subscription in the
topic_listener.cpp example code:
                        subscriptions.cancel(message.getDestination());

Any idea's would be greatly appreciated.

BTW, I am also seeing a lot of "LinkRegistry timer woken up late" messages.
Running broker with --auth no --no-data-dir. (Running WinXP in a virtualbox
VM).

Thanks,
-Tony

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