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Can't find a persistence unit named
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created by <a href="http://community.jboss.org/people/mtshpandey">Mitesh pandey</a> in <i>EJB3</i> - <a href="http://community.jboss.org/message/619795#619795">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi All,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am a newbie to ejb3. For my learning , i created a ejb application with a stateless session bean , a pojo class , a persistence.xml file with hibernate as persistence provider , postgresql as DB and jboss server 5.0.0 CR2.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The external jar added are ejb3-persistence.jar , hibernate-core and hibernate-entitymanager.jar</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When i start jboss server , the following error is displayed</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>ERROR [AbstractKernelController] Error installing to Real: name=vfszip:/E:/software%20download/jboss-5.0.0.CR2-jdk6/jboss-5.0.0.CR2/server/default/deploy/Chapter3.jar state=PreReal mode=Manual requiredState=Real</p><p>org.jboss.deployers.spi.DeploymentException: Error deploying Chapter3.jar: Can't find a persistence unit named 'titan' in AbstractVFSDeploymentContext@25979158{vfszip:/E:/software%20download/jboss-5.0.0.CR2-jdk6/jboss-5.0.0.CR2/server/default/deploy/Chapter3.jar}</p><p>          at org.jboss.ejb3.deployers.Ejb3Deployer.deploy(Ejb3Deployer.java:209)</p><p>          at org.jboss.ejb3.deployers.Ejb3Deployer.deploy(Ejb3Deployer.java:108)</p><p>          at org.jboss.deployers.vfs.spi.deployer.AbstractVFSRealDeployer.internalDeploy(AbstractVFSRealDeployer.java:45)</p><p>          at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)</p><p>          at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:169)</p><p>          at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1285)</p><p>          at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1003)</p><p>          at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:944)</p><p>          at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)</p><p>          at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)</p><p>          at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)</p><p>          at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)</p><p>          at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)</p><p>          at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)</p><p>          at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)</p><p>          at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:627)</p><p>          at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:541)</p><p>          at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:265)</p><p>          at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:143)</p><p>          at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:409)</p><p>          at org.jboss.Main.boot(Main.java:209)</p><p>          at org.jboss.Main$1.run(Main.java:544)</p><p>          at java.lang.Thread.run(Unknown Source)</p><p>Caused by: java.lang.IllegalArgumentException: Can't find a persistence unit named 'titan' in AbstractVFSDeploymentContext@25979158{vfszip:/E:/software%20download/jboss-5.0.0.CR2-jdk6/jboss-5.0.0.CR2/server/default/deploy/Chapter3.jar}</p><p>          at org.jboss.jpa.resolvers.DefaultPersistenceUnitDependencyResolver.resolvePersistenceUnitSupplier(DefaultPersistenceUnitDependencyResolver.java:141)</p><p>          at org.jboss.ejb3.Ejb3Deployment.resolvePersistenceUnitSupplier(Ejb3Deployment.java:841)</p><p>          at org.jboss.ejb3.EJBContainer.resolvePersistenceUnitSupplier(EJBContainer.java:1399)</p><p>          at org.jboss.injection.PersistenceUnitHandler.addPUDependency(PersistenceUnitHandler.java:124)</p><p>          at org.jboss.injection.PersistenceContextHandler.loadXml(PersistenceContextHandler.java:76)</p><p>          at org.jboss.ejb3.EJBContainer.processMetadata(EJBContainer.java:570)</p><p>          at org.jboss.ejb3.Ejb3Deployment.processEJBContainerMetadata(Ejb3Deployment.java:439)</p><p>          at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:552)</p><p>          at org.jboss.ejb3.deployers.Ejb3Deployer.deploy(Ejb3Deployer.java:202)</p><p>          ... 22 more</p><p>14:13:32,343 ERROR [ProfileServiceBootstrap] Failed to load profile: Summary of incomplete deployments (SEE PREVIOUS ERRORS FOR DETAILS):</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>*** CONTEXTS IN ERROR: Name -> Error</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>vfszip:/E:/software%20download/jboss-5.0.0.CR2-jdk6/jboss-5.0.0.CR2/server/default/deploy/Chapter3.jar -> java.lang.IllegalArgumentException: Can't find a persistence unit named 'titan' in AbstractVFSDeploymentContext@25979158{vfszip:/E:/software%20download/jboss-5.0.0.CR2-jdk6/jboss-5.0.0.CR2/server/default/deploy/Chapter3.jar}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The persistence.xml file is as below</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8" ?></p><p><persistence</p><p><span>           xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span>"</span></p><p><span>           xmlns:xsi="</span><a class="jive-link-external-small" href="http://www.w3.org/2001/XMLSchema-instance" target="_blank">http://www.w3.org/2001/XMLSchema-instance</a><span>"</span></p><p><span>           xsi:schemaLocation="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence" target="_blank">http://java.sun.com/xml/ns/persistence</a><span> </span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" target="_blank">http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd</a><span>"</span></p><p>           version="1.0"></p><p> <persistence-unit name="titan" transaction-type="JTA"></p><p>           <provider>org.hibernate.ejb.HibernatePersistence</provider></p><p>           <jta-data-source>java:PostgresDS</jta-data-source></p><p>           <class>com.domain.Cabin</class></p><p>          <properties></p><p>                    <property name="hibernate.dialect" value=  "org.hibernate.dialect.PostgreSqlDialect" /></p><p>                     <property name="hibernate.hbm2ddl.auto" value="update" /></p><p>                     <property name="hibernate.show_sql" value="true" /></p><p>                     <property name="hibernate.format_sql" value="false" /></p><p>                     <property name="hibernate.connection.driver_class" value="org.postgresql.Driver"/></p><p>                     <property name="hibernate.connection.url" value="jdbc:postgresql://localhost:5432/Entity"/></p><p>                     <property name="hibernate.connection.username" value="*****"/></p><p>                     <property name="hibernate.connection.password" value="*****"/></p><p>      </properties></p><p> </persistence-unit></p><p> </persistence></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have tried other solution like removing the class-path from manifest file but same result is displayed.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Any help is appreciated</p></div>
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