[jboss-user] [Installation, Configuration & DEPLOYMENT] - Re: EjbModule is already installed JBossAS-5.0.0.GA

[karltraunmueller]

Similar issue with persistence units - if two ears (say, test1.ear and test2.ear) include the same ejb jar (with same META-INF/persistence.xml), you get 

19:51:46,959 WARN  [AbstractDeploymentContext] Unable to register deployment mbean org.jboss.metadata.jpa.spec.PersistenceUnitMetaData.TestEjb
  | javax.management.InstanceAlreadyExistsException: jboss.deployment:id="org.jboss.metadata.jpa.spec.PersistenceUnitMetaData.TestEjb",type=Component already registered.
  | 	at org.jboss.mx.server.registry.BasicMBeanRegistry.add(BasicMBeanRegistry.java:767)
  | 	at org.jboss.mx.server.registry.BasicMBeanRegistry.registerMBean(BasicMBeanRegistry.java:236)
  | 	at sun.reflect.GeneratedMethodAccessor89.invoke(Unknown Source)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 	at java.lang.reflect.Method.invoke(Method.java:597)
  | 	at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
  | 	at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
  | 	at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:138)
  | 	at org.jboss.mx.server.Invocation.invoke(Invocation.java:90)
  | 	at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:140)
  | 	at org.jboss.mx.server.Invocation.invoke(Invocation.java:90)
  | 	at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
  | 	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
  | 	at org.jboss.mx.server.MBeanServerImpl$3.run(MBeanServerImpl.java:1431)
  | 	at java.security.AccessController.doPrivileged(Native Method)
  | 	at org.jboss.mx.server.MBeanServerImpl.registerMBean(MBeanServerImpl.java:1426)
  | 	at org.jboss.mx.server.MBeanServerImpl.registerMBean(MBeanServerImpl.java:376)
  | 	at org.jboss.deployers.structure.spi.helpers.AbstractDeploymentContext.registerMBeans(AbstractDeploymentContext.java:989)
  | 	at org.jboss.deployers.structure.spi.helpers.AbstractDeploymentContext.addComponent(AbstractDeploymentContext.java:719)
  | 	at org.jboss.deployers.structure.spi.helpers.AbstractDeploymentUnit.addComponent(AbstractDeploymentUnit.java:249)
  | 	at org.jboss.jpa.deployers.AbstractDeploymentVisitor.addComponent(AbstractDeploymentVisitor.java:49)
  | 	at org.jboss.jpa.deployers.AbstractDeploymentVisitor.deploy(AbstractDeploymentVisitor.java:64)
  | 	at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployerWithInput.deploy(AbstractRealDeployerWithInput.java:125)
  | 	at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployerWithInput.internalDeploy(AbstractRealDeployerWithInput.java:102)
  | 	at org.jboss.deployers.spi.deployer.helpers.AbstractComponentDeployer.internalDeploy(AbstractComponentDeployer.java:78)
  | 	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:1210)
  | 	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:1598)
  | 	at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
  | 	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
  | 	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:545)
  | 	at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:304)
  | 	at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:205)
  | 	at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:405)
  | 	at org.jboss.Main.boot(Main.java:209)
  | 	at org.jboss.Main$1.run(Main.java:547)
  | 	at java.lang.Thread.run(Thread.java:637)
  | 
  | 

application.xml (identical in test1.ear and test2.ear):
<application>
  |   <display-name>Test Application</display-name>
  | 
  |   <module>
  |     <ejb>TestEjb.jar</ejb>
  |   </module>
  | 
  | </application>
  | 

persistence.xml (in TestEjb.jar's META-INF):
<?xml version="1.0" encoding="UTF-8"?>
  | <persistence version="1.0"
  | 	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_1_0.xsd">
  | 	<persistence-unit name="TestEjb">
  | 		<provider>org.hibernate.ejb.HibernatePersistence</provider>
  | 		<jta-data-source>java:/TestDatasource</jta-data-source>
  | 		<properties>
  | 			<property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect" />
  | 		</properties>
  | 	</persistence-unit>
  | </persistence>
  | 

Although the JNDI View shows both persistence units:
+- persistence.unit:unitName=test2.ear (class: org.jnp.interfaces.NamingContext)
  |  |   +- TestEjb.jar#TestEjb (class: org.hibernate.impl.SessionFactoryImpl)
  | ...
  | +- persistence.unit:unitName=test1.ear (class: org.jnp.interfaces.NamingContext)
  |  |   +- TestEjb.jar#TestEjb (class: org.hibernate.impl.SessionFactoryImpl)
  | 

regards,
Karl

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