java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at weblogic.ejb20.internal.EJBMBeanFactory.createEJBMBean(EJBMBeanFactory.java:289)
at weblogic.ejb20.internal.EJBMBeanFactory.parseEjbJar(EJBMBeanFactory.java:220)
at weblogic.ejb20.internal.EJBMBeanFactory.getMBeans(EJBMBeanFactory.java:138)
at weblogic.management.mbeans.custom.Application.initializeMBean(Application.java:587)
at weblogic.management.mbeans.custom.Application.initializeMBeans(Application.java:497)
at weblogic.management.mbeans.custom.Application.adminLoad(Application.java:286)
at weblogic.management.mbeans.custom.Application.load(Application.java:230)
at weblogic.management.mbeans.custom.Application.load(Application.java:171)
at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:562)
at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:548)
at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:285)
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:437)
at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:178)
at undefined.$Proxy11.load(Unknown Source)
at weblogic.servlet.internal.WebService.configureDefaultWebApps(WebService.java:341)
at weblogic.management.internal.RemoteMBeanServerImpl.getMBeans(RemoteMBeanServerImpl.java:150)
at weblogic.management.Admin.start(Admin.java:309)
at weblogic.t3.srvr.T3Srvr.initialize(T3Srvr.java:331)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:169)
at weblogic.Server.main(Server.java:35)

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