Error in UserTransaction

[ramessh]

hi,
i am new to jboss
i am using jboss-4.0.4.GA

when i going to lookup javax.transaction.UserTransaction error occured ...

This My test program details

in my servlet
Context ctx = new InitialContext();
System.out.println("objName"+ctx.lookup("java:/comp/env/jdbc/usertransaction").toString());
UserTransaction us = (UserTransaction)ctx.lookup("java:/comp/env/jdbc/usertransaction");

..............................................................................................
This is my web.xml

</resource-ref>
<resource-ref>
<res-ref-name>jdbc/usertransaction</res-ref-name>
<res-type>javax.transaction.UserTransaction</res-type>
<res-auth>Container</res-auth>
</resource-ref>
....................................................................................................
This is my jboss-web.xml

<resource-ref>
<res-ref-name>jdbc/usertransaction</res-ref-name>
<res-type>javax.transaction.UserTransaction</res-type>
<jndi-name>java:comp/UserTransaction</jndi-name>
</resource-ref>

Error I get when I try to invoke the servlet :
...................................
20:39:51,656 INFO [STDOUT] objNameorg.jboss.tm.usertx.client.ServerVMClientUserTransaction@1cbc5cb
20:30:08,328 ERROR [[test]] Servlet.service() for servlet test threw exception
java.lang.ClassCastException: org.jboss.tm.usertx.client.ServerVMClientUserTransaction
at com.Test.doGet(Test.java:53)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
at java.lang.Thread.run(Unknown Source)



pls help me
Ramesh

[augustfox]

i have meet the same problem,
i using 4.0.5GA.
but while ussing 4.0.1sp,it works well.

[kconner]

The above issue appears to be a classloader issue.

If you have duplicated that code then it is likely that you are loading two different versions of the UserTransaction interface.