Is there any good source for information on using Apache SOAP under heavy load?  My 
service needs to support 50-100 concurrent client sessions (which really isn't that 
heavy of a load).  

My service is a SOAP front end for EJB's running on JBoss with Tomcat 4.0.1 as the 
servlet engine for SOAP.  When I do load testing I start getting XML parser errors 
when I make my call.invoke method call.

Things like 
'SOAPException: Parser already in use' 
and 
'org.apache.crimson.tree.DomEx: NAMESPACE_ERR: Attempt to create or change an object 
in a way which is incorrect with regard to namespaces.'.

Has anyone seen these errors before or know why they are happening?

Thanks,
Rich

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Rich Bolen
Senior Software Developer
GretagMacbeth Advanced Technologies Center
79 T. W. Alexander Drive - Bldg. 4401 - Suite 250
PO Box 14026
Research Triangle Park, North Carolina 27709-4026  USA
Phone:  919-549-7575 x239,  Fax: 919-549-0421           

http://www.gretagmacbeth.com/           
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