求救―在wls6.1中发布ejb碰到的问题

02-12-22 ahji
小弟初学ejb,做了一个cmp的小东东,打包没有问题。在weblogic6.1中发布时总报“java.lang.NullPointerException”错误,不知道问题出在哪儿,请各位大虾指教一二,不胜感激。具体出错信息为:

at weblogic.ejb20.deployer.CompositeMBeanDescriptor.getPersistenceUseTypeIdentifier(CompositeMBeanDescriptor.jav

a:1311)

at weblogic.ejb20.deployer.CMPInfoImpl.<init>(CMPInfoImpl.java:131)

at weblogic.ejb20.deployer.EntityBeanInfoImpl.<init>(EntityBeanInfoImpl.java:232)

at weblogic.ejb20.deployer.BeanInfoImpl.createBeanInfoImpl(BeanInfoImpl.java:333)

at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.initializeBeanInfos(MBeanDeploymentInfoImpl.java:395)

at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.<init>(MBeanDeploymentInfoImpl.java:126)

at weblogic.ejb20.ejbc.EJBCompiler.setupEJB(EJBCompiler.java:127)

at weblogic.ejb20.deployer.Deployer.runEJBC(Deployer.java:295)

at weblogic.ejb20.deployer.Deployer.compileEJB(Deployer.java:676)

at weblogic.ejb20.deployer.Deployer.deploy(Deployer.java:843)

at weblogic.j2ee.EJBComponent.deploy(EJBComponent.java:30)

at weblogic.j2ee.Application.addComponent(Application.java:160)

at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:117)

at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:329)

at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:144)

at java.lang.reflect.Method.invoke(Native Method)

at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:608)

at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:592)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:352)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)

at weblogic.management.internal.ConfigurationMBeanImpl.updateConfigMBeans(ConfigurationMBeanImpl.java:484)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:354)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)

at weblogic.management.internal.DynamicMBeanImpl.addDeployment(DynamicMBeanImpl.java:945)

at weblogic.management.internal.DynamicMBeanImpl.addDeployment(DynamicMBeanImpl.java:932)

at weblogic.management.internal.DynamicMBeanImpl.add(DynamicMBeanImpl.java:917)

at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:620)

at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:592)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:352)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)

at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:449)

at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:190)

at $Proxy13.addTarget(Unknown Source)

at weblogic.management.mbeans.custom.ApplicationManager.autoDeploy(ApplicationManager.java:837)

at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:936)

at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:856)

at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:772)

at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:705)

at weblogic.management.mbeans.custom.ApplicationManager.update(ApplicationManager.java:200)

at weblogic.management.mbeans.custom.ApplicationManager$ApplicationPoller.run(ApplicationManager.java:1020)

at weblogic.ejb20.ejbc.EJBCompiler.setupEJB(EJBCompiler.java:130)

at weblogic.ejb20.deployer.Deployer.runEJBC(Deployer.java:295)

at weblogic.ejb20.deployer.Deployer.compileEJB(Deployer.java:676)

at weblogic.ejb20.deployer.Deployer.deploy(Deployer.java:843)

at weblogic.j2ee.EJBComponent.deploy(EJBComponent.java:30)

at weblogic.j2ee.Application.addComponent(Application.java:160)

at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:117)

at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:329)

at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:144)

at java.lang.reflect.Method.invoke(Native Method)

at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:608)

at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:592)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:352)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)

at weblogic.management.internal.ConfigurationMBeanImpl.updateConfigMBeans(ConfigurationMBeanImpl.java:484)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:354)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)

at weblogic.management.internal.DynamicMBeanImpl.addDeployment(DynamicMBeanImpl.java:945)

at weblogic.management.internal.DynamicMBeanImpl.addDeployment(DynamicMBeanImpl.java:932)

at weblogic.management.internal.DynamicMBeanImpl.add(DynamicMBeanImpl.java:917)

at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:620)

at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:592)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:352)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)

at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:449)

at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:190)

at $Proxy13.addTarget(Unknown Source)

at weblogic.management.mbeans.custom.ApplicationManager.autoDeploy(ApplicationManager.java:837)

at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:936)

at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:856)

at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:772)

at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:705)

at weblogic.management.mbeans.custom.ApplicationManager.update(ApplicationManager.java:200)

at weblogic.management.mbeans.custom.ApplicationManager$ApplicationPoller.run(ApplicationManager.java:1020)

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