is restarting tomcat necessary?

I'm working on some scripts that generate some catalogs for my data  
in a specific way.  I am therefore modifying my catalogs during the  
debug and testing process.  Is it necessary to restart tomcat each  
time?  I'm restarting to often and getting "port already in use"  
errors.  It's getting to be a real pain, so any help would be much  
appreciated.

Bruce
UW SSEC
Rm. 243

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