Resource local means you can get a persistenceunit (factory) Le 21 mars 2015 11:39, "davshowhan" <davshowhan...@gmail.com> a écrit :
> 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. >
