2 Replies Latest reply on Feb 26, 2013 12:42 AM by abhihjosh

    Jboss5 PersistenceUnitHandler.getEntityManagerFactory null point error

    liuhongqian77

      Hi

      I'm trying to deploy application to jboss5+seam2.2+jdk1.6. I got this error when starting jboss. Does anyone know what could be the cause? Thanks

       

      ERROR [TomcatDeployment] ENC setup failed

      java.lang.NullPointerException

              at org.jboss.injection.PersistenceUnitHandler.getEntityManagerFactory(PersistenceUnitHandler.java:172)

              at org.jboss.injection.PersistenceUnitHandler.getFactory(PersistenceUnitHandler.java:163)

              at org.jboss.injection.PuEncInjector.inject(PuEncInjector.java:54)

              at org.jboss.web.tomcat.service.TomcatInjectionContainer.populateEnc(TomcatInjectionContainer.java:496)

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:470)

              at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)

              at org.apache.catalina.core.StandardContext.start(StandardContext.java:4388)

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:312)

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:144)

              at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)

              at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)

              at org.jboss.web.deployers.WebModule.start(WebModule.java:97)

              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 org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)

              at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)

              at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)

              at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)

              at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)

              at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206)

              at $Proxy36.start(Unknown Source)

              at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42)

              at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37)

              at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)

              at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)

              at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)

              at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)

              at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286)

              at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)

              at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)

              at org.jboss.system.ServiceController.doChange(ServiceController.java:688)

              at org.jboss.system.ServiceController.start(ServiceController.java:460)

              at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:163)

              at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:99)

              at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)

              at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)

              at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)

              at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1210)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)

              at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)

              at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)

              at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)

              at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:698)

              at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:304)

              at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:205)

              at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:405)

              at org.jboss.Main.boot(Main.java:209)

              at org.jboss.Main$1.run(Main.java:547)

              at java.lang.Thread.run(Thread.java:662)

      15:51:52,387 ERROR [AbstractKernelController] Error installing to Start: name=jboss.web.deployment:war=/CPPMS state=Create mode=Manual requiredState=I

      nstalled

      org.jboss.deployers.spi.DeploymentException: URL file:/C:/jboss-5.0.1.GA/server/all/tmp/483b4dm-se2zke-gpfuermj-1-gpfufzrj-ak/CPPMS.war/ deployment fa

      iled

              at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49)

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:318)

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:144)

              at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)

              at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)

              at org.jboss.web.deployers.WebModule.start(WebModule.java:97)

              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 org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)

              at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)

              at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)

              at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)

              at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)

              at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206)

              at $Proxy36.start(Unknown Source)

              at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42)

              at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37)

              at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)

              at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)

              at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)

              at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)

              at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286)

              at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)

              at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)

              at org.jboss.system.ServiceController.doChange(ServiceController.java:688)

              at org.jboss.system.ServiceController.start(ServiceController.java:460)

              at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:163)

              at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:99)

              at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)

              at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)

              at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)

              at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1210)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)

              at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)

              at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)

              at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)

              at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)

              at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)

              at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)

              at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:698)

              at org.jboss.system.server.profileservice.ProfileServiceBootstrap.loadProfile(ProfileServiceBootstrap.java:304)

              at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:205)

              at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:405)

              at org.jboss.Main.boot(Main.java:209)

              at org.jboss.Main$1.run(Main.java:547)

              at java.lang.Thread.run(Thread.java:662)

      Caused by: java.lang.RuntimeException: java.lang.NullPointerException

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:482)

              at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)

              at org.apache.catalina.core.StandardContext.start(StandardContext.java:4388)

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:312)

              ... 56 more

      Caused by: java.lang.NullPointerException

              at org.jboss.injection.PersistenceUnitHandler.getEntityManagerFactory(PersistenceUnitHandler.java:172)

              at org.jboss.injection.PersistenceUnitHandler.getFactory(PersistenceUnitHandler.java:163)

              at org.jboss.injection.PuEncInjector.inject(PuEncInjector.java:54)

              at org.jboss.web.tomcat.service.TomcatInjectionContainer.populateEnc(TomcatInjectionContainer.java:496)

              at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:470)

              ... 59 more

        • 1. Re: Jboss5 PersistenceUnitHandler.getEntityManagerFactory null point error
          wdfink

          Do you have more than one persistence?

          I suppose in this case the container can't decide what persistence to inject.

          Try to use the specific name of persistence in the annotation.

          • 2. Re: Jboss5 PersistenceUnitHandler.getEntityManagerFactory null point error
            abhihjosh

            Hi

             

            Currenlty i am facing this issue while running the jboss server

             

            java.lang.NullPointerException
            at org.jboss.injection.PersistenceUnitHandler.getEntityManagerFactory(PersistenceUnitHandler.java:172)
            at org.jboss.injection.PersistenceUnitHandler.getFactory(PersistenceUnitHandler.java:163)
            at org.jboss.injection.PuEncInjector.inject(PuEncInjector.java:54)
            at org.jboss.web.tomcat.service.TomcatInjectionContainer.populateEnc(TomcatInjectionContainer.java:482)
            at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:471)
            at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
            at org.apache.catalina.core.StandardContext.start(StandardContext.java:4388)
            at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:310)
            at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:142)
            at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)
            at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)
            at org.jboss.web.deployers.WebModule.start(WebModule.java:97)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
            at java.lang.reflect.Method.invoke(Unknown Source)
            at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
            at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
            at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
            at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
            at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
            at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206)
            at $Proxy38.start(Unknown Source)
            at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42)
            at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37)
            at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)
            at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)
            at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)
            at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
            at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286)
            at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)
            at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
            at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)
            at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
            at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
            at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
            at org.jboss.system.ServiceController.doChange(ServiceController.java:688)
            at org.jboss.system.ServiceController.start(ServiceController.java:460)
            at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:163)
            at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:99)
            at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)
            at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)
            at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)
            at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)
            at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)
            at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)
            at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)
            at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)
            at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
            at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)
            at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
            at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)
            at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
            at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
            at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
            at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)
            at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:702)
            at org.jboss.system.server.profileservice.repository.MainDeployerAdapter.process(MainDeployerAdapter.java:117)
            at org.jboss.system.server.profileservice.repository.ProfileDeployAction.install(ProfileDeployAction.java:70)
            at org.jboss.system.server.profileservice.repository.AbstractProfileAction.install(AbstractProfileAction.java:53)
            at org.jboss.system.server.profileservice.repository.AbstractProfileService.install(AbstractProfileService.java:361)
            at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
            at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)
            at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
            at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)
            at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
            at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
            at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
            at org.jboss.system.server.profileservice.repository.AbstractProfileService.activateProfile(AbstractProfileService.java:306)
            at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:271)
            at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:461)
            at org.jboss.Main.boot(Main.java:221)
            at org.jboss.Main$1.run(Main.java:556)
            at java.lang.Thread.run(Unknown Source)

             

             

            here is the content of hibernate-context.xml

             

             

            <?xml version="1.0" encoding="UTF-8"?>
            <beans xmlns="http://www.springframework.org/schema/beans"
                xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                xmlns:context="http://www.springframework.org/schema/context"
                xmlns:tx="http://www.springframework.org/schema/tx"
                xmlns:p="http://www.springframework.org/schema/p"
                xsi:schemaLocation=" 
                       http://www.springframework.org/schema/beans
                       classpath:/org/springframework/beans/factory/xml/spring-beans-3.0.xsd
                       http://www.springframework.org/schema/tx
                       classpath:/org/springframework/transaction/config/spring-tx-3.0.xsd
                       http://www.springframework.org/schema/context 
                       classpath:/org/springframework/context/config/spring-context-3.0.xsd">
            <context:property-placeholder location="classpath:database.properties" />
            <tx:annotation-driven transaction-manager="transactionManager" /> <!-- Declare a datasource that has pooling capabilities-->
            <bean id="dataSource"
            class="com.mchange.v2.c3p0.ComboPooledDataSource"
            destroy-method="close"
            p:driverClass="${database.driver}"
            p:jdbcUrl="${database.url}"
            p:user="${database.user}"
            p:password="${database.password}"
            p:acquireIncrement="5"
            p:idleConnectionTestPeriod="60"
            p:maxPoolSize="100"
            p:maxStatements="50"
            p:minPoolSize="10" />
            <!-- Declare a JPA entityManagerFactory-->
            <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" >
            <property name="persistenceXmlLocation" value="classpath*:META-INF/persistence.xml">
            </property>
            <property name="persistenceUnitName" value="hibernatePersistenceUnit" />
            <property name="dataSource" ref="dataSource"/>
            <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" >
            <property name="showSql" value="true"/></bean></property>
            </bean><!-- Declare a transaction manager-->
            <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
            <property name="entityManagerFactory" ref="entityManagerFactory" /></bean> </beans>

             

             

            here is the content of persistence.xml

             

             

             

             

             

             

             

            <persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
            <persistence-unit name="hibernatePersistenceUnit" transaction-type="RESOURCE_LOCAL">
            <properties><property name="hibernate.hbm2ddl.auto" value="none" />
            </properties>
            </persistence-unit>
            </persistence>

             

            I have the database.properties file in which the database related properties has been set.

             

            Can you please provide some hint im really clue less

             

            Thanks in advcance.