There is no default persistence unit in this deployment. --------------------------------------------------------- Key: EJBTHREE-1687 URL: https://jira.jboss.org/jira/browse/EJBTHREE-1687 Project: EJB 3.0 Issue Type: Bug Components: jpa-deployers Environment: JBoss 4.2.2 Reporter: David Jitendranath I get the following exception when my JBoss server starts up. java.lang.RuntimeException: Illegal @PersistenceUnit on private javax.persistence.EntityManager gov.usbr.data.cdw.BurdenRateHome.entityManager :There is no default persistence unit in this deployment. at org.jboss.injection.PersistenceContextHandler.handleFieldAnnotations(PersistenceContextHandler.java:182) Here's my persistence.xml file. Is there any idea what I'm missing? <persistence 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" version="1.0"> <persistence-unit name="integrations"> <jta-data-source>java:/cdwDB</jta-data-source> <properties> <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/> <property name="hibernate.hbm2ddl.auto" value="create-drop"/> </properties> </persistence-unit> </persistence> -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira