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JAVA/mySQL/Tomcat/SOAP problem

 
Greenhorn
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I have a Java client which is supposed to pass "username" and "password" to the SOAP server which in turn does a query on the mySQL DB and returns an answer. I get a `NullPointerException` error, no matter if the username and passwords are valid or not:




Server Code:


Client encounters the error at `Response risposta = chiamata.invoke(indirizzo, "");`.


This is what i have my localhost_access_log(the last lines):




this is the content of my Catalina:
[code]
NFO: Starting service Catalina
Jul 16, 2011 4:26:52 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.14
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Jul 16, 2011 4:26:56 PM org.apache.catalina.startup.Cata
 
Ranch Hand
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I believe, you have not listed the full Stack Trace. Is it possible for you to do so, please?
 
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