[jboss-user] [EJB/JBoss] - Exception in calling an Entity Bean from Servlet

[ashusri000]

Hi All , 
          I am getting this exception after making a call to persist some data . Please can anybody help me out :



ERROR [[TestServlet]] Servlet.service() for servlet TestServlet threw exception
java.lang.ClassCastException: org.hibernate.ejb.HibernatePersistence
	at javax.persistence.Persistence.findAllProviders(Persistence.java:112)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79)
	at Ejbtest.mainTest(Ejbtest.java:47)
	at TestServlet.doPost(TestServlet.java:75)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
	at java.lang.Thread.run(Unknown Source)



My Persistence.xml lokks like this :

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
<persistence-unit name="testApp">

oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider
Ejbtest
Employee
Software
SoftwareFile
Tab1
<!-- <jta-data-source>java:/XAOracleDS</jta-data-source>	-->

            <!-- Provider-specific connection properties -->
            
            
            
            
            <!-- Provider-specific settings -->
            
<!-- other values are: drop-and-create-tables|none -->

</persistence-unit>



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