Running scripts from Java user permissions

I have a web based application running on JBoss application server. It during its processing of certain requests has to call some cshell scripts using Runtime.exec(). Now it seems to be working fine in development environment, however on testing environment it seems to freeze. On further debugging, and digging up the issue it came up that it could be a permissions issue, as certain users have the permissions to run the scripts and some don't.
The Question therefore would be that, once a script is executed from an app server, which user is used? and in order for the script to be executed who should be granted permissions.
Thanks in advance.

Peter__Lawrey wrote:
When any application starts another application (java or otherwise) it does so as the same user by default.
The user running the JBoss is the user used.
This is how all OSes work (to my knowledge)
Which operating system are you using?Thanks, in that case I have a second question. Is there a way to force a certain user? I mean somebody other than the one who started the app server programmatically?

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