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EJB Local Session state less bean  RSS feed

 
Ajay R Nair
Greenhorn
Posts: 1
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Below is my ejb-jar.xml

<!DOCTYPE ejb-jar PUBLIC '-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN' 'http://java.sun.com/dtd/ejb-jar_2_0.dtd'>
<ejb-jar>
<display-name>TestEJB</display-name>
<enterprise-beans>
<session>
<ejb-name>TestSessionLocal</ejb-name>
<local-home>com.test.ejb.sessionfacade.TestSessionFacadeLocalHome</local-home>
<local>com.test.ejb.sessionfacade.TestSessionFacadeLocal</local>
<ejb-class>com.test.ejb.sessionfacade.TestSessionFacadeBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
</session>

</enterprise-beans>
</ejb-jar>

Below is my weblogic-ejb-jar.xml

<?xml version="1.0" encoding="UTF-8"?>

<weblogic-ejb-jar xmlns="http://www.bea.com/ns/weblogic/90″" xmlns:j2ee="http://java.sun.com/xml/ns/j2ee”" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance” xsi:schemaLocation=“http://www.bea.com/ns/weblogic/90 http://www.bea.com/ns/weblogic/90/weblogic-ejb-jar.xsd”;">
<weblogic-enterprise-bean>
<ejb-name>TestSessionLocal</ejb-name>
<stateless-session-descriptor>
<stateless-clustering>
<stateless-bean-is-clusterable>false</stateless-bean-is-clusterable>
</stateless-clustering>
</stateless-session-descriptor>
<local-jndi-name>TEST_FACADE_LOCAL_JNDI</local-jndi-name>
</weblogic-enterprise-bean>

</weblogic-ejb-jar>

WEblogic version 12.1.3 and ejb 2.1.

When i try to deploy my application i get below error


weblogic.ejb.container.compliance.ComplianceException: In EJB TestSessionLocal, method create() on the local home interface throws java.rmi.RemoteException. Methods on the local home interface must not throw java.rmi.RemoteException.
at weblogic.ejb.container.compliance.HomeInterfaceChecker.checkMethodsThrowRemoteException(HomeInterfaceChecker.java:140)
at weblogic.ejb.container.compliance.SessionHomeInterfaceChecker.checkMethodsThrowRemoteException(SessionHomeInterfaceChecker.java:14)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at weblogic.ejb.container.compliance.EJBComplianceChecker.check(EJBComplianceChecker.java:100)
at weblogic.ejb.container.compliance.EJBComplianceChecker.check(EJBComplianceChecker.java:90)
at weblogic.ejb.container.compliance.EJBComplianceChecker.checkDeploymentInfo(EJBComplianceChecker.java:81)
at weblogic.ejb.container.ejbc.EJBCompiler.doCompile(EJBCompiler.java:172)
at weblogic.ejb.container.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:346)
at weblogic.ejb.container.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:314)
at weblogic.ejb.container.deployer.EJBDeployer.compileJar(EJBDeployer.java:429)
at weblogic.ejb.container.deployer.EJBDeployer.compileIfNecessary(EJBDeployer.java:355)
at weblogic.ejb.container.deployer.EJBDeployer.prepare(EJBDeployer.java:723)
at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:439)
at weblogic.application.internal.ExtensibleModuleWrapper$PrepareStateChange.next(ExtensibleModuleWrapper.java:295)
at weblogic.application.internal.ExtensibleModuleWrapper$PrepareStateChange.next(ExtensibleModuleWrapper.java:285)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:42)
at weblogic.application.internal.ExtensibleModuleWrapper.prepare(ExtensibleModuleWrapper.java:109)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:100)
at weblogic.application.internal.flow.ModuleStateDriver$1.next(ModuleStateDriver.java:175)
at weblogic.application.internal.flow.ModuleStateDriver$1.next(ModuleStateDriver.java:170)
at weblogic.application.utils.StateMachineDriver$ParallelChange.run(StateMachineDriver.java:80)
at weblogic.work.ContextWrap.run(ContextWrap.java:40)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:548)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:311)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:263)


All my classes implement proper local classes EJBLocalHome and EJBLocalObject.

This configuration used to work fine in JBOSS 5.1.0 GA

Where am i doing wrong
 
Tim Holloway
Bartender
Posts: 18531
61
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Welcome to the JavaRanch, Ajay!

The key message is this:


Methods on the local home interface must not throw java.rmi.RemoteException.


In EJB Versions 1 and 2, there are Home and Remote Interfaces that define what methods are accesible via direct Java call (local) or from an foreign (remote) JVM (remote, via RMI).

The methods defined in the Home Interface are not supposed to contain the "throws RMIException" clause in their method prototypes. An RMIException is something that happens when there's an infrastructure failure in a Remote call (for example, no network connection) and therefore not only will never happen on a local method, but it is actually meaningless in the context of a local method.
 
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