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From matthew denner <>
Subject servlets in tomcat - EJBs in WebLogic 5.1
Date Wed, 27 Sep 2000 11:44:38 GMT
Dear all,

i wanted to drop everyone a mail to point out a problem that i've had with
tomcat and weblogic 5.1 interacting just to see if anyone has experienced a
similar problem and whether there is a better solution.

i have some session EJBs deployed in weblogic 5.1; a servlet running under
tomcat creates one these EJBs and then uses it (i know the architecture isn't
great but i'm attempting to migrate slowly).  the problem is that i get a
ClassCastException thrown when i try to narrow the EJB Home interface 
retrieved from the initial context.

the problem can be solved by NOT putting the EJB jar file in the WEB-INF/lib
directory for the servlet, but rather to add it to the CLASSPATH used by
tomcat on startup.  i'm assuming this has something to do with difference
between the class loading mechanisms for tomcat and the servlets.  i do not 
want this nasty solution to be the only one; anyone recommend a better one?

to the developers of tomcat, is this a bug, feature, or something that has
been overlooked?  can it be fixed?


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