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Instantiating workflow from EJB deployed as part of .ear : javax.persistence.PersistenceException: [PersistenceUnit: org.jbpm.persistence.jpa.secureall] Unable to build EntityManagerFactory
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created by <a href="http://community.jboss.org/people/chaitanya1987">Chaitanya Desai</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/619510#619510">View the full discussion</a>
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<div class="jive-rendered-content"><p>I am trying to instantiate a process instance based on a process definition for JBPM 5.1 from a EJB deployed in the JBoss application server. The EJB is part of a .ear file , using the MySQL database. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have defined a persistence unit in persistence.xml within the META-INF folder and also placed the corresponding JBPMorm.xml in the META-INF folder. The datasaource is deployed in the deploy folder of JBOss 5.1</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>persistence .xml </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?> </p><p><span><persistence 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>  </p><p>             <persistence-unit name="SecureALLPU" transaction-type="JTA"></p><p>              <jta-data-source>java:/SecureAll</jta-data-source></p><p>              <properties></p><p>                              <property name="hibernate.format_sql" value="true"/></p><p>                              <property name="dialect" value="org.hibernate.dialect.OracleDialect"/></p><p>                              <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/></p><p>                    </properties>   </p><p>    </persistence-unit></p><p>    </p><p>  <persistence-unit name="org.jbpm.persistence.jpa.secureall" transaction-type="JTA"></p><p>    <provider>org.hibernate.ejb.HibernatePersistence</provider>    </p><p>    <jta-data-source>java:jdbc/SecureAlljbpmDatasource</jta-data-source>           </p><p>    <mapping-file>META-INF/JBPMorm.xml</mapping-file>    </p><p>    <class>org.jbpm.persistence.processinstance.ProcessInstanceInfo</class></p><p>    <class>org.drools.persistence.info.SessionInfo</class></p><p>    <class>org.drools.persistence.info.WorkItemInfo</class></p><p>    <properties>    </p><p>      <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect"/>         </p><p>      <property name="hibernate.max_fetch_depth" value="3"/></p><p>      <property name="hibernate.hbm2ddl.auto" value="create" /></p><p>      <property name="hibernate.show_sql" value="false" /> </p><p>      <!-- <property name="hibernate.transaction.manager_lookup_class" value="org.hibernate.transaction.JBossTransactionManagerLookup" /> --></p><p>      <property name="hibernate.transaction.manager_lookup_class" </p><p>                value="org.hibernate.transaction.BTMTransactionManagerLookup"/></p><p>    </properties>        </p><p>  </persistence-unit></p><p>          </p><p>   </persistence></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>JBPMORM.XML</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?></p><p><span><entity-mappings xmlns="</span><a class="jive-link-external-small" href="http://java.sun.com/xml/ns/persistence/orm" target="_blank">http://java.sun.com/xml/ns/persistence/orm</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/orm" target="_blank">http://java.sun.com/xml/ns/persistence/orm</a><span> orm_1_0.xsd"</span></p><p>               version="1.0">  </p><p>      <named-query name="ProcessInstancesWaitingForEvent"></p><p>          <query></p><p>select </p><p>    processInstanceInfo.processInstanceId</p><p>from </p><p>    ProcessInstanceInfo processInstanceInfo</p><p>where</p><p>    :type in elements(processInstanceInfo.eventTypes)</p><p>          </query></p><p>      </named-query></p><p></entity-mappings></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Datasource:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8"?></p><p><datasources></p><p>          <local-tx-datasource></p><p>    <jndi-name>jdbc/SecureAlljbpmDatasource</jndi-name></p><p>    <connection-url>jdbc:mysql://localhost:3306/JBPM?useUnicode=true&amp;characterEncoding=UTF-8</connection-url></p><p>    <!--<connection-url>jdbc:h2:mem:mydb</connection-url>--></p><p>    <driver-class>com.mysql.jdbc.Driver</driver-class></p><p>    <user-name>root</user-name></p><p>    <password></password></p><p>          <transaction-isolation>TRANSACTION_READ_COMMITTED</transaction-isolation></p><p>           <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter</exception-sorter-class-name></p><p>  </local-tx-datasource> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p></datasources></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When i deploy my .ear file</p><p>App Server is able to recognise the datasource, persistence unit for jbpm datasource from persistence.xml and corresponding jbpmorm.xml.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>However I get the exception : javax.persistence.PersistenceException: [PersistenceUnit: org.jbpm.persistence.jpa.secureall] Unable to build EntityManagerFactory</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>On looking into the details for it I understand that EntityManagerFactory needs to be loaded by the name: org.jbpm.persistence.jpa.secureall</p><p>Something like:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table><tbody><tr><td style=";"><br/></td><td style=";"><br/></td><td style=";">EntityManagerFactory emf =</td></tr></tbody></table><table><tbody><tr><td style=";"><br/></td><td style=";"><br/></td><td style=";">    Persistence.createEntityManagerFactory( "org.jbpm.persistence.jpa.secureall" );</td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table><tbody><tr><td style=";"><br/></td><td style=";"><br/></td><td style=";">Environment env = KnowledgeBaseFactory.newEnvironment();</td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table><tbody><tr><td style=";"><br/></td><td style=";"><br/></td><td style=";">env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf );</td></tr><tr><td style=";"><br/></td><td style=";"><br/></td><td style=";">env.set(EnvironmentName.GLOBALS, new MapGlobalResolver()); </td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>However I am not sure how do i define EntityManagerFactory by that name such that it gets loaded by that name during deployment rather than during run time. </p></div>
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