Oren Eini

aka Ayende Rahien

Oren Eini

CEO of RavenDB

a NoSQL Open Source Document Database

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oren@ravendb.net

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Jan 25 2009

MessageQueue trouble continues

time to read 1 min | 59 words

I mentioned that I got into some problems with MSMQ that I couldn’t reproduce later on. Well, here is the actual code that I am running that is causing a hung. As you can see, this is really strange.

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25 Jan 2009
01:25 AM

Kim

With identical code I get

test_queue2

CompletedSynchronously: False

IsCompleted: False

Wait completed : False

test_queue

CompletedSynchronously: False

IsCompleted: False

Wait completed : False

25 Jan 2009
01:30 AM

Kim

sorry, missed to the comment about "messages in queue2". Too late... Same result as you.

25 Jan 2009
14:50 PM

configurator

Erm, according to MSDN,

BeginPeek() Initiates an asynchronous peek operation that has no time-out. The operation is not complete until a message becomes available in the queue.

So when there are no messages, the peek would never complete. What am I missing?

25 Jan 2009
16:58 PM

Ayende Rahien

The queue.Dispose()

25 Jan 2009
20:44 PM

Anon

It's not good practice to reuse an object after it's disposed, right? I'm sure examples like this exist all over the BCL; especially cases where one is using BeginXXX after disposal.

26 Jan 2009
15:35 PM

Michael McDaniel

I also had weird problems with MSMQ, but the problems only happened when I was using the async functions/events. I found them to be pretty unreliable - especially when failures occured. Things would just stop working - no reason, no exception, the thread would simply die. It was so inconsistent, that I ended up just polling on my own threads.

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