Kishore Jaladi [https://community.jboss.org/people/kishorejaladi] created the discussion "Re: Using Datanucleus JPA for MongoDB with JBPM5.2.0 gives an "class not enhanced" error" To view the discussion, visit: https://community.jboss.org/message/733445#733445 -------------------------------------------------------------- Hmmm...interesting...I can see it in my original message. Here is it again: Code: EntityManagerFactory emf = Persistence.createEntityManagerFactory("jbpm.mongodb.persistence.test", new HashMap<String, String>()); persistence.xml: <persistence xmlns=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence"      xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance http://www.w3.org/2001/XMLSchema-instance"      xsi:schemaLocation=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" version="1.0">      <!-- Tutorial "unit" -->      <persistence-unit name="jbpm.mongodb.persistence.test">          <properties>              <property name="datanucleus.ConnectionURL" value="mongodb:localhost/mng1"/>              <property name="datanucleus.storeManagerType" value="mongodb" />              <property name="datanucleus.autoCreateSchema" value="true" />          </properties>      </persistence-unit>  </persistence> error: org.datanucleus.exceptions.NucleusUserException: Found Meta-Data for class org.drools.grid.service.directory.impl.AddressImpl but this class is not enhanced!! Please enhance the class before running DataNucleus.     at org.datanucleus.metadata.MetaDataManager.initialiseClassMetaData(MetaDataManager.java:2570)     at org.datanucleus.metadata.MetaDataManager.initialiseFileMetaData(MetaDataManager.java:2521)     at org.datanucleus.metadata.MetaDataManager.initialiseFileMetaDataForUse(MetaDataManager.java:1117)     at org.datanucleus.metadata.MetaDataManager.loadPersistenceUnit(MetaDataManager.java:963)     at org.datanucleus.api.jpa.JPAEntityManagerFactory.initialiseNucleusContext(JPAEntityManagerFactory.java:751)     at org.datanucleus.api.jpa.JPAEntityManagerFactory.initialise(JPAEntityManagerFactory.java:414)     at org.datanucleus.api.jpa.JPAEntityManagerFactory.<init>(JPAEntityManagerFactory.java:377)     at org.datanucleus.api.jpa.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:91)     at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83)     at com.x.infra.service.griffin.impl.EventHandler.handleGetOrderStatus(EventHandler.java:73)     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 com.x.infra.application.webeventlistener.Callback.invoke(Callback.java:68)     at com.x.infra.application.processor.GenericAsyncResponseProcessor.invoke(GenericAsyncResponseProcessor.java:107)     at com.x.infra.application.processor.GenericAsyncResponseProcessor.execute(GenericAsyncResponseProcessor.java:51)     at com.x.infra.application.processor.GenericAsyncResponseProcessor.run(GenericAsyncResponseProcessor.java:37)     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:662) -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/733445#733445] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]