Persistence.xml file <?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" 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_2_0.xsd";> <persistence-unit name="Eclipselink_JPA" transaction-type="RESOURCE_LOCAL"> <class>com.jpa.beans.Employee</class> <properties> <property name="javax.persistence.jdbc.url" value="jdbc:hsqldb:file:E:\HQLDB_MYDB"/> <property name="javax.persistence.jdbc.user" value="sa"/> <property name="javax.persistence.jdbc.password" value="password"/> <property name="javax.persistence.jdbc.driver" value="org.hsqldb.jdbc.JDBCDriver"/> <property name="eclipselink.logging.level" value="FINE"/> <property name="eclipselink.ddl-generation" value="create-tables"/> </properties> </persistence-unit> </persistence> In EJB: @Stateless public class EmployeeBean { @PersistenceContext(unitName="Eclipselink_JPA") private EntityManager entitymanager; public void createEmployee(){ Employee employee = new Employee( ); employee.setEid( 1201 ); employee.setEname( "Gopal" ); employee.setSalary( 40000 ); employee.setDeg( "Technical Manager" ); entitymanager.persist( employee ); entitymanager.getTransaction( ).commit( ); entitymanager.close( ); } } Nullpointer happens on call of entitymanager.persist because entitymanager is null.....but thats not suppose to be right? it should be not null. Can anyone help me on this? libraries in project: eclipselink.jar eclipselink-jpa jars hsqldb.jar -- View this message in context: http://tomee-openejb.979440.n4.nabble.com/Nullpointer-on-use-of-EntityManager-in-app-run-in-TOMEE-tp4674140.html Sent from the TomEE Dev mailing list archive at Nabble.com.
