Amar Kintu [http://community.jboss.org/people/amar4kintu] created the discussion "JBOSS 5.1 Server -&gt; org.hibernate.ejb.HibernatePersistence cannot be cast to javax.persistence.spi.PersistenceProvider" To view the discussion, visit: http://community.jboss.org/message/562814#562814 -------------------------------------------------------------- <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app     PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"     " http://java.sun.com/dtd/web-app_2_3.dtd http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app>     <listener>         <listener-class>             org.springframework.web.context.ContextLoaderListener         </listener-class>     </listener>     <!-- Servlets -->     <servlet>         <servlet-name>springGwtRemoteServiceServlet</servlet-name>         <servlet-class>org.spring4gwt.server.SpringGwtRemoteServiceServlet     </servlet-class>     </servlet>     <servlet-mapping>         <servlet-name>springGwtRemoteServiceServlet</servlet-name>         <url-pattern>/gwtspring/springGwtServices/*</url-pattern>     </servlet-mapping>     <!-- Default page to serve -->     <welcome-file-list>         <welcome-file>GWTSpring.html</welcome-file>     </welcome-file-list> </web-app> Hello friends, I am developing an application using SPRING 3.0.4, JPA 2, Hibernate 3.5.5. I an trying an existing example given on link http://www.javacodegeeks.com/2010/05/jboss-42x-spring-3-jpa-hibernate.html http://www.javacodegeeks.com/2010/05/jboss-42x-spring-3-jpa-hibernate.html. only difference is that I am using latest versions of libraries and JBOSS server. Following is list of my /WEB-INF/lib directory files antlr-2.7.6.jar aopalliance.jar c3p0-0.9.1.jar commons-collections-3.1.jar commons-logging-1.1.1.jar dom4j-1.6.1.jar gwt-dev.jar gwt-user.jar hibernate3.jar hibernate-jpa-2.0-api-1.0.0.Final.jar hsqldb.jar javassist-3.9.0.GA.jar jta-1.1.jar log4j-1.2.16.jar org.springframework.aop-3.0.4.RELEASE.jar org.springframework.asm-3.0.4.RELEASE.jar org.springframework.aspects-3.0.4.RELEASE.jar org.springframework.beans-3.0.4.RELEASE.jar org.springframework.context.support-3.0.4.RELEASE.jar org.springframework.context-3.0.4.RELEASE.jar org.springframework.core-3.0.4.RELEASE.jar org.springframework.expression-3.0.4.RELEASE.jar org.springframework.instrument.tomcat-3.0.4.RELEASE.jar org.springframework.instrument-3.0.4.RELEASE.jar org.springframework.jdbc-3.0.4.RELEASE.jar org.springframework.jms-3.0.4.RELEASE.jar org.springframework.orm-3.0.4.RELEASE.jar org.springframework.oxm-3.0.4.RELEASE.jar org.springframework.test-3.0.4.RELEASE.jar org.springframework.transaction-3.0.4.RELEASE.jar org.springframework.web.portlet-3.0.4.RELEASE.jar org.springframework.web.servlet-3.0.4.RELEASE.jar org.springframework.web.struts-3.0.4.RELEASE.jar org.springframework.web-3.0.4.RELEASE.jar slf4j-api-1.5.8.jar slf4j-log4j12-1.6.1.jar spring4gwt-0.0.1.jar Following is my /WEB-INF/web.xml file <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app     PUBLIC -//Sun Microsystems, Inc.//DTD Web Application 2.3//EN     http://java.sun.com/dtd/web-app_2_3.dtd> <web-app>     <listener>         <listener-class>             org.springframework.web.context.ContextLoaderListener         </listener-class>     </listener>     <!-- Servlets -->     <servlet>         <servlet-name>springGwtRemoteServiceServlet</servlet-name>         <servlet-class>org.spring4gwt.server.SpringGwtRemoteServiceServlet     </servlet-class>     </servlet>     <servlet-mapping>         <servlet-name>springGwtRemoteServiceServlet</servlet-name>         <url-pattern>/gwtspring/springGwtServices/*</url-pattern>     </servlet-mapping>     <!-- Default page to serve -->     <welcome-file-list>         <welcome-file>GWTSpring.html</welcome-file>     </welcome-file-list> </web-app> Following is my /WEB-INF/applicationContext.xml file <beans xmlns="http://www.springframework.org/schema/beans"     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"     xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"     xmlns:task="http://www.springframework.org/schema/task"     xsi:schemaLocation="             http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd             http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd             http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd             http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd             http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd             http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.0.xsd">     <context:component-scan base-package="com.javacodegeeks.gwtspring" />     <task:annotation-driven executor="myExecutor" scheduler="myScheduler" />     <task:executor id="myExecutor" pool-size="5" />     <task:scheduler id="myScheduler" pool-size="10" />     <tx:annotation-driven />     <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">         <property name="persistenceUnitName" value="MyPersistenceUnit" />     </bean>     <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">         <property name="entityManagerFactory" ref="entityManagerFactory" />     </bean> </beans> Following is my /src/resources/META-INF/petsistence.xml file <persistence xmlns="http://java.sun.com/xml/ns/persistence"     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"     xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"     version="2.0">         <persistence-unit name="MyPersistenceUnit" transaction-type="RESOURCE_LOCAL">         <provider>org.hibernate.ejb.HibernatePersistence</provider>         <non-jta-data-source>java:/gwtDS</non-jta-data-source>                 <properties>             <property name="hibernate.hbm2ddl.auto" value="update" />             <property name="hibernate.show_sql" value="false" />             <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect" />             <property name="hibernate.connection.driver_class" value="org.hsqldb.jdbcDriver" />             <property name="hibernate.connection.url" value="jdbc:hsqldb:mem:salvation" />             <property name="hibernate.connection.username" value="sa" />             <property name="hibernate.connection.password" value="" />             <property name="hibernate.c3p0.min_size" value="5" />             <property name="hibernate.c3p0.max_size" value="20" />             <property name="hibernate.c3p0.timeout" value="300" />             <property name="hibernate.c3p0.max_statements" value="50" />             <property name="hibernate.c3p0.idle_test_period" value="3000" />         </properties>             </persistence-unit>     </persistence> Now when I am trying to complile it using JBOSS server it gives me following error 11:34:17,828 INFO  [ServerImpl] JBoss (Microcontainer) [5.1.0.GA (build: SVNTag=JBoss_5_1_0_GA date=200905221053)] Started in 19s:985ms 11:34:28,437 INFO  [PersistenceUnitDeployment] Starting persistence unit persistence.unit:unitName=#MyPersistenceUnit 11:34:29,046 ERROR [AbstractKernelController] Error installing to Start: name=persistence.unit:unitName=#MyPersistenceUnit state=Create java.lang.ClassCastException: org.hibernate.ejb.HibernatePersistence cannot be cast to javax.persistence.spi.PersistenceProvider     at org.jboss.jpa.deployment.PersistenceUnitDeployment.start(PersistenceUnitDeployment.java:300)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)     at java.lang.reflect.Method.invoke(Method.java:597)     at org.jboss.reflect.plugins.introspection.ReflectionUtils.invoke(ReflectionUtils.java:59)     at org.jboss.reflect.plugins.introspection.ReflectMethodInfoImpl.invoke(ReflectMethodInfoImpl.java:150)     at org.jboss.joinpoint.plugins.BasicMethodJoinPoint.dispatch(BasicMethodJoinPoint.java:66)     at org.jboss.kernel.plugins.dependency.KernelControllerContextAction$JoinpointDispatchWrapper.execute(KernelControllerContextAction.java:241)     at org.jboss.kernel.plugins.dependency.ExecutionWrapper.execute(ExecutionWrapper.java:47)     at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchExecutionWrapper(KernelControllerContextAction.java:109)     at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchJoinPoint(KernelControllerContextAction.java:70)     at org.jboss.kernel.plugins.dependency.LifecycleAction.installActionInternal(LifecycleAction.java:221)     at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:54)     at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:42)     at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)     at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)     at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)     at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)     at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:774)     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:540)     at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer.deploy(BeanMetaDataDeployer.java:121)     at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataDeployer.deploy(BeanMetaDataDeployer.java:51)     at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)     at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)     at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)     at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)     at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)     at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)     at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)     at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)     at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)     at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)     at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)     at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)     at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:702)     at org.jboss.system.server.profileservice.repository.MainDeployerAdapter.process(MainDeployerAdapter.java:117)     at org.jboss.system.server.profileservice.hotdeploy.HDScanner.scan(HDScanner.java:362)     at org.jboss.system.server.profileservice.hotdeploy.HDScanner.run(HDScanner.java:255)     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)     at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)     at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)     at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)     at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)     at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)     at java.lang.Thread.run(Thread.java:619) Can anyone here help me to solve the problem. Please let me know if you need anything else from me. Thanks. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/562814#562814] Start a new discussion in Beginner's Corner at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]