ext. command (PIPE) hangs

[Holger Burde <hb...@t-online.de>]

Hi;

I have a webapp which uses a pipe to read from a process under 2003  
Server. The webapp sort of wrappes zhe output in objects and displays  
them in
tables. Today i found that the app does not work anymore. The strange  
thing is it still works as a UNIT Test from the commandline. it only  
does not
work anymore in the webcontainer. We restarted tomcat , redeployed  
etc. but still the app wont work.

The testsystem isa slow vmware image and someone suggested that maybe  
timeing are out of order. Are there any restrictions on runing  
external commands (pipe) ? Does it have to complete fast ? or does it  
need special permissions ?

The UNIT Test runs 1:1 the very same objects/methods which complete in  
a dos shell and fail in the container. The webapp  stays on loading -  
forever.
We commented everything out so the page has nothing more in it that  
the stuff in the UNIT Test.

Any ideas ? We run out of ideas of what can cause this sort of  
behaviour ... especialy if it worked before (slow but it worked).


hb

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