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Thread is failing with no error and I have no idea why

Posted on 2007-11-19
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Last Modified: 2010-04-23
I am beating my head into the wall i this and cannot find an answer. i am hoping someone can tell me where i am being stupid.

I have a process that is designed to process incoming FTP files. I want to dispatch this to different threads so big files don't hamper or delay the little ones.

I have tested all my logic on the main thread and it works perfectly.
I have added a function call that creates a seperate thread and calls the function for processing.  pretty easy right.
The thread aborts or disappears when it makes a call to a web service that i have. I have no idea why it just goes poof (that is my technical term for it).  Let us not forget, the exact same code works perfectly in the main thread.  
Where do i look, what am i forgetting.

oh yea if i put a simple while loop in the thread right before the web service call the thread runs and runs just fine. of course it is no good to me because it is just printing out a debug statement.

any and all help is greatly appreciated.
greg

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Question by:Autoeforms
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5 Comments
 
LVL 15

Expert Comment

by:Solar_Flare
ID: 20314821
are you calling the web service asynchronously? if you are then the thread could finish executing and terminate before the web service method's finished event is raised.
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LVL 8

Author Comment

by:Autoeforms
ID: 20314838
no sychronous.

i have debug statements after each line of code.
i make the call to the web service and it never returns.

g
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LVL 15

Accepted Solution

by:
Solar_Flare earned 500 total points
ID: 20314903
do you have the webservice running locally in debug mode? if so have you set a break point in the web service method and stepped through to ensure the service returns correctly?


also, are you handling the applications unhandled thread exception event? is it raised?
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LVL 8

Author Comment

by:Autoeforms
ID: 20314941
not exactly.
i have run the entire process on the main thread correctly.
when calling on its own thread is when it fails
0
 
LVL 8

Author Closing Comment

by:Autoeforms
ID: 31410006
i have reworked the entire code path. I will give some points for the effort
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