NullPointerException during the deployment of ejb

From JDeveloper, I rebuild the twoEjbHotelSample without any problem, but the deploying of HotelEjb bean caused the following exception. Any idea? Btw, I can depoly the ejb sample from javavm/demo/ejb without any problem. Thanks.
java.lang.NullPointerException
java.lang.Object java.util.Hashtable.put(java.lang.Object, java.lang.Object)
void oracle.aurora.server.tools.sess_iiop.WindowsFSContext.<init>(java.util.Hashtable)
void oracle.aurora.server.tools.sess_iiop.LocalWorkingDirectory.<init>(java.util.Properties)
void oracle.aurora.server.tools.sess_iiop.ToolImpl.initializeLocal()
java.lang.String[] oracle.aurora.server.tools.sess_iiop.ToolImpl.parseStdArgs(java.lang.String[])
void oracle.aurora.server.tools.sess_iiop.ToolImpl.invoke(java.lang.String[], java.io.InputStream, java.io.PrintStream, java.io.PrintStream)
void oracle.jdeveloper.wizard.deployment.EJBDeployMonitor.run()
void oracle.jdeveloper.wizard.common.ProgressDialog.run()
void java.lang.Thread.run()
null

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    00(ProjectTask.java:154)
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    .java:65)
    at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
    ppingsValidateTask.java:51)
    at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
    ppingsValidateTask.java:36)
    at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
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    at org.apache.tools.ant.Target.execute(Target.java:341)
    at org.apache.tools.ant.Target.performTasks(Target.java:369)
    at org.apache.tools.ant.Project.executeTarget(Project.java:1214)
    at org.apache.tools.ant.Project.executeTargets(Project.java:1062)
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    at org.apache.tools.ant.Main.startAnt(Main.java:188)
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    at oracle.toplink.workbench.mappingsmodel.descriptor.relational.MWTableD
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    tBuild(MWModel.java:503)
    at oracle.toplink.workbench.mappingsmodel.project.MWProject.legacy50Post
    ProjectBuild(MWProject.java:1337)
    at oracle.toplink.workbench.mappingsio.ProjectReader.readLegacyProject(P
    rojectReader.java:246)
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    java:102)
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    nager.java:59)
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    nager.java:55)
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    java:39)
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    sorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
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    ProjectTask.java:214)
    at oracle.toplink.workbench.ant.taskdefs.ProjectTask$TaskRunner.access$1
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    at oracle.toplink.workbench.ant.taskdefs.ProjectTask.execute(ProjectTask
    .java:65)
    at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
    ppingsValidateTask.java:51)
    at oracle.toplink.workbench.ant.taskdefs.MappingsValidateTask.execute(Ma
    ppingsValidateTask.java:36)
    at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
    at org.apache.tools.ant.Task.perform(Task.java:364)
    at org.apache.tools.ant.Target.execute(Target.java:341)
    at org.apache.tools.ant.Target.performTasks(Target.java:369)
    at org.apache.tools.ant.Project.executeTarget(Project.java:1214)
    at org.apache.tools.ant.Project.executeTargets(Project.java:1062)
    at org.apache.tools.ant.Main.runBuild(Main.java:673)
    at org.apache.tools.ant.Main.startAnt(Main.java:188)
    at org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
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    Ciaran.

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         at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:483)
         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:683)
         at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:607)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:709)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
         at com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:285)
         at com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:45)
         at com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:191)
         at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:326)
         at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:196)
         at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:422)
         at org.apache.myfaces.trinidad.context.ExternalContextDecorator.dispatch(ExternalContextDecorator.java:44)
         at org.apache.myfaces.trinidad.context.ExternalContextDecorator.dispatch(ExternalContextDecorator.java:44)
         at org.apache.myfaces.trinidadinternal.context.FacesContextFactoryImpl$OverrideDispatch.dispatch(FacesContextFactoryImpl.java:265)
         at com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:447)
         at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:116)
         at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:178)
         at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:174)
         at com.prapansol.elearn.usermanagement.managedbeans.UrlMasking.renderView(UrlMasking.java:180)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:509)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:194)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:159)
         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
         at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
         at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:171)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
         at oracle.adfinternal.view.faces.webapp.rich.SharedLibraryFilter.doFilter(SharedLibraryFilter.java:137)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
         at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:60)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
         at oracle.adfinternal.view.faces.activedata.ADSFilter.doFilter(ADSFilter.java:76)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:209)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:166)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:139)
         at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:617)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
         at com.evermind.server.http.HttpRequestHandler.doDispatchRequest(HttpRequestHandler.java:889)
         at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:797)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:607)
         at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:376)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:161)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:142)
         at oracle.oc4j.network.ServerSocketReadHandler$ClientRunnable.run(ServerSocketReadHandler.java:275)
         at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:237)
         at oracle.oc4j.network.ServerSocketAcceptHandler.access$800(ServerSocketAcceptHandler.java:29)
         at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:878)
         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
         at java.lang.Thread.run(Thread.java:595)
    javax.ejb.EJBException: nested exception is: java.lang.NullPointerException
         at com.evermind.server.ejb.EJBUtils.createEJBException(EJBUtils.java:146)
         at com.evermind.server.ejb.EJBUtils.createEJBException(EJBUtils.java:137)
         at oracle.oc4j.persistence.EntityManagerProxy.allocateEntityManager(EntityManagerProxy.java:93)
         at oracle.oc4j.persistence.AbstractEntityManagerProxy.createQuery(AbstractEntityManagerProxy.java:101)
         at oracle.oc4j.persistence.EntityManagerProxy.createQuery(EntityManagerProxy.java:70)
         at com.prapansol.elearn.usermanagement.model.businessprocess.service.admmenu.AdmMenuManagerBean.getAllActiveResponsibilityMenus(AdmMenuManagerBean.java:118)
         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:585)
         at com.evermind.server.ejb.interceptor.joinpoint.EJBJoinPointImpl.invoke(EJBJoinPointImpl.java:27)
         at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
         at com.evermind.server.ejb.interceptor.system.SetContextActionInterceptor.invoke(SetContextActionInterceptor.java:44)
         at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
         at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
         at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
         at com.evermind.server.ejb.interceptor.system.TxRequiredInterceptor.invoke(TxRequiredInterceptor.java:50)
         at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
         at com.evermind.server.ejb.interceptor.system.JAASInterceptor$1.run(JAASInterceptor.java:52)
         at java.security.AccessController.doPrivileged(Native Method)
         at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
         at oracle.oc4j.security.SecurityServices.doAsPrivileged(SecurityServices.java:150)
         at oracle.oc4j.security.SecurityServices.doAsPrivileged(SecurityServices.java:420)
         at oracle.oc4j.security.JaasModeImpl$DoAsPrivilegedExecutor.execute(JaasModeImpl.java:280)
         at com.evermind.server.ejb.interceptor.system.JAASInterceptor.invoke(JAASInterceptor.java:57)
         at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
         at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
         at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
         at com.evermind.server.ejb.InvocationContextPool.invoke(InvocationContextPool.java:58)
         at com.evermind.server.ejb.StatelessSessionEJBObject.OC4J_invokeMethod(StatelessSessionEJBObject.java:104)
         at AdmMenuManager_LocalProxy_5k85l3l.getAllActiveResponsibilityMenus(Unknown Source)
         at com.prapansol.elearn.usermanagement.backing.main.Usermanagementhome.setMenuBar1(Usermanagementhome.java:146)
         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:585)
         at javax.el.BeanELResolver.setValue(BeanELResolver.java:352)
         at javax.el.CompositeELResolver.setValue(CompositeELResolver.java:283)
         at com.sun.faces.el.FacesCompositeELResolver.setValue(FacesCompositeELResolver.java:93)
         at com.sun.el.parser.AstValue.setValue(AstValue.java:134)
         at com.sun.el.ValueExpressionImpl.setValue(ValueExpressionImpl.java:255)
         at com.sun.faces.application.ApplicationImpl.createComponent(ApplicationImpl.java:222)
         at javax.faces.webapp.UIComponentELTag.createComponent(UIComponentELTag.java:211)
         at javax.faces.webapp.UIComponentClassicTagBase.createChild(UIComponentClassicTagBase.java:466)
         at javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:651)
         at javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1098)
         at org.apache.myfaces.trinidad.webapp.UIXComponentELTag.doStartTag(UIXComponentELTag.java:63)
         at oracle.adfinternal.view.faces.unified.taglib.UnifiedMenuBarTag.doStartTag(UnifiedMenuBarTag.java:67)
         at templates.usermanagementtemplate_jspx.__jsp_tag_ctru41_helper_52(_usermanagementtemplate_jspx.java:1218)
         at templates.usermanagementtemplate_jspx._jspService(_usermanagementtemplate_jspx.java:602)
         at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:60)
         at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:483)
         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:683)
         at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:607)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:709)
         at com.evermind.server.http.ServletRequestDispatcher.unprivileged_include(ServletRequestDispatcher.java:154)
         at com.evermind.server.http.ServletRequestDispatcher.access$000(ServletRequestDispatcher.java:45)
         at com.evermind.server.http.ServletRequestDispatcher$1.oc4jRun(ServletRequestDispatcher.java:91)
         at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:326)
         at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:96)
         at oracle.adfinternal.view.faces.taglib.region.ComponentRefTag.__include(ComponentRefTag.java:338)
         at oracle.adfinternal.view.faces.taglib.region.ComponentRefTag.doEndTag(ComponentRefTag.java:192)
         at oracle.adfinternal.view.faces.taglib.region.PageTemplateTag.doEndTag(PageTemplateTag.java:69)
         at test1jspx._jspService(_test1_jspx.java:830)
         at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:60)
         at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:483)
         at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:683)
         at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:607)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:709)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
         at com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:285)
         at com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:45)
         at com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:191)
         at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:326)
         at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:196)
         at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:422)
         at org.apache.myfaces.trinidad.context.ExternalContextDecorator.dispatch(ExternalContextDecorator.java:44)
         at org.apache.myfaces.trinidad.context.ExternalContextDecorator.dispatch(ExternalContextDecorator.java:44)
         at org.apache.myfaces.trinidadinternal.context.FacesContextFactoryImpl$OverrideDispatch.dispatch(FacesContextFactoryImpl.java:265)
         at com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:447)
         at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:116)
         at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:178)
         at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:174)
         at com.prapansol.elearn.usermanagement.managedbeans.UrlMasking.renderView(UrlMasking.java:180)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:509)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:194)
         at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:159)
         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
         at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
         at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:171)
         at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
         at oracle.adfinternal.view.faces.webapp.rich.SharedLibraryFilter.doFilter(SharedLibraryFilter.java:137)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
         at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:60)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
         at oracle.adfinternal.view.faces.activedata.ADSFilter.doFilter(ADSFilter.java:76)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:209)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:166)
         at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:139)
         at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:617)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
         at com.evermind.server.http.HttpRequestHandler.doDispatchRequest(HttpRequestHandler.java:889)
         at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:797)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:607)
         at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:376)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:161)
         at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:142)
         at oracle.oc4j.network.ServerSocketReadHandler$ClientRunnable.run(ServerSocketReadHandler.java:275)
         at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:237)
         at oracle.oc4j.network.ServerSocketAcceptHandler.access$800(ServerSocketAcceptHandler.java:29)
         at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:878)
         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
         at java.lang.Thread.run(Thread.java:595)
    Caused by: java.lang.NullPointerException
         at oracle.jdbc.driver.T4CTTIoauthenticate.marshalOauth(T4CTTIoauthenticate.java:450)
         at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:401)
         at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:650)
         at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:200)
         at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
         at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:413)
         at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:388)
         at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:278)
         at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:203)
         at oracle.oc4j.sql.DataSourceConnectionPoolDataSource.getPooledConnection(DataSourceConnectionPoolDataSource.java:57)
         at oracle.oc4j.sql.xa.EmulatedXADataSource.getXAConnection(EmulatedXADataSource.java:94)
         at oracle.oc4j.sql.spi.ManagedConnectionFactoryImpl.createXAConnection(ManagedConnectionFactoryImpl.java:251)
         at oracle.oc4j.sql.spi.ManagedConnectionFactoryImpl.createManagedConnection(ManagedConnectionFactoryImpl.java:212)
         at com.evermind.server.connector.ApplicationConnectionManager.createManagedConnection(ApplicationConnectionManager.java:1354)
         at oracle.oc4j.sql.OracleConnectionFactoryAdapter.createConnection(OracleConnectionFactoryAdapter.java:110)
         at oracle.ucp.common.CollectionConnectionPoolImpl.createOnePooledConnection(CollectionConnectionPoolImpl.java:513)
         at oracle.ucp.common.CollectionConnectionPoolImpl.borrowConnectionWithoutCountingRequests(CollectionConnectionPoolImpl.java:419)
         at oracle.ucp.common.CollectionConnectionPoolImpl.borrowConnection(CollectionConnectionPoolImpl.java:295)
         at oracle.oc4j.sql.OracleCommonConnectionPool.borrowConnection(OracleCommonConnectionPool.java:79)
         at oracle.oc4j.sql.OracleCommonConnectionPool.getManagedConnection(OracleCommonConnectionPool.java:61)
         at oracle.j2ee.connector.OC4JConnectionPoolAdapter.getManagedConnection(OC4JConnectionPoolAdapter.java:543)
         at com.evermind.server.connector.ApplicationConnectionManager.getManagedConnectionContext(ApplicationConnectionManager.java:1568)
         at com.evermind.server.connector.ApplicationConnectionManager.getConnectionFromPool(ApplicationConnectionManager.java:1553)
         at com.evermind.server.connector.ApplicationConnectionManager.acquireConnectionContext(ApplicationConnectionManager.java:1499)
         at com.evermind.server.connector.ApplicationConnectionManager.allocateConnection(ApplicationConnectionManager.java:1444)
         at oracle.j2ee.connector.OracleConnectionManager.unprivileged_allocateConnection(OracleConnectionManager.java:238)
         at oracle.j2ee.connector.OracleConnectionManager.allocateConnection(OracleConnectionManager.java:192)
         at oracle.oc4j.sql.ManagedDataSource.getConnection(ManagedDataSource.java:217)
         at oracle.oc4j.sql.ManagedDataSource.getConnection(ManagedDataSource.java:147)
         at oracle.toplink.jndi.JNDIConnector.connect(JNDIConnector.java:123)
         at oracle.toplink.jndi.JNDIConnector.connect(JNDIConnector.java:84)
         at oracle.toplink.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:154)
         at oracle.toplink.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:517)
         at oracle.toplink.ejb.cmp3.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:186)
         at oracle.toplink.internal.ejb.cmp3.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:213)
         at oracle.toplink.internal.ejb.cmp3.base.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:58)
         at oracle.toplink.internal.ejb.cmp3.base.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:91)
         at oracle.toplink.internal.ejb.cmp3.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:64)
         at oracle.oc4j.persistence.EntityManagerProxy.createEntityManager(EntityManagerProxy.java:100)
         at oracle.oc4j.persistence.EntityManagerProxy.allocateEntityManager(EntityManagerProxy.java:85)
         ... 115 more
    07/12/23 04:12:22 javax.ejb.EJBException: nested exception is: java.lang.NullPointerException
    07/12/23 04:12:22 java.lang.NullPointerException
    07/12/23 04:12:22      at oracle.jdbc.driver.T4CTTIoauthenticate.marshalOauth(T4CTTIoauthenticate.java:450)
    07/12/23 04:12:22      at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:401)
    07/12/23 04:12:22      at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:650)
    07/12/23 04:12:22      at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:200)
    07/12/23 04:12:22      at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
    07/12/23 04:12:22      at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:413)
    07/12/23 04:12:22      at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:388)
    07/12/23 04:12:22      at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:278)
    07/12/23 04:12:22      at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:203)
    07/12/23 04:12:22      at oracle.oc4j.sql.DataSourceConnectionPoolDataSource.getPooledConnection(DataSourceConnectionPoolDataSource.java:57)
    07/12/23 04:12:22      at oracle.oc4j.sql.xa.EmulatedXADataSource.getXAConnection(EmulatedXADataSource.java:94)
    07/12/23 04:12:22      at oracle.oc4j.sql.spi.ManagedConnectionFactoryImpl.createXAConnection(ManagedConnectionFactoryImpl.java:251)
    07/12/23 04:12:22      at oracle.oc4j.sql.spi.ManagedConnectionFactoryImpl.createManagedConnection(ManagedConnectionFactoryImpl.java:212)
    07/12/23 04:12:22      at com.evermind.server.connector.ApplicationConnectionManager.createManagedConnection(ApplicationConnectionManager.java:1354)
    07/12/23 04:12:22      at oracle.oc4j.sql.OracleConnectionFactoryAdapter.createConnection(OracleConnectionFactoryAdapter.java:110)
    07/12/23 04:12:22      at oracle.ucp.common.CollectionConnectionPoolImpl.createOnePooledConnection(CollectionConnectionPoolImpl.java:513)
    07/12/23 04:12:22      at oracle.ucp.common.CollectionConnectionPoolImpl.borrowConnectionWithoutCountingRequests(CollectionConnectionPoolImpl.java:419)
    07/12/23 04:12:22      at oracle.ucp.common.CollectionConnectionPoolImpl.borrowConnection(CollectionConnectionPoolImpl.java:295)
    07/12/23 04:12:22      at oracle.oc4j.sql.OracleCommonConnectionPool.borrowConnection(OracleCommonConnectionPool.java:79)
    07/12/23 04:12:22      at oracle.oc4j.sql.OracleCommonConnectionPool.getManagedConnection(OracleCommonConnectionPool.java:61)
    07/12/23 04:12:22      at oracle.j2ee.connector.OC4JConnectionPoolAdapter.getManagedConnection(OC4JConnectionPoolAdapter.java:543)
    07/12/23 04:12:22      at com.evermind.server.connector.ApplicationConnectionManager.getManagedConnectionContext(ApplicationConnectionManager.java:1568)
    07/12/23 04:12:22      at com.evermind.server.connector.ApplicationConnectionManager.getConnectionFromPool(ApplicationConnectionManager.java:1553)
    07/12/23 04:12:22      at com.evermind.server.connector.ApplicationConnectionManager.acquireConnectionContext(ApplicationConnectionManager.java:1499)
    07/12/23 04:12:22      at com.evermind.server.connector.ApplicationConnectionManager.allocateConnection(ApplicationConnectionManager.java:1444)
    07/12/23 04:12:22      at oracle.j2ee.connector.OracleConnectionManager.unprivileged_allocateConnection(OracleConnectionManager.java:238)
    07/12/23 04:12:22      at oracle.j2ee.connector.OracleConnectionManager.allocateConnection(OracleConnectionManager.java:192)
    07/12/23 04:12:22      at oracle.oc4j.sql.ManagedDataSource.getConnection(ManagedDataSource.java:217)
    07/12/23 04:12:22      at oracle.oc4j.sql.ManagedDataSource.getConnection(ManagedDataSource.java:147)
    07/12/23 04:12:22      at oracle.toplink.jndi.JNDIConnector.connect(JNDIConnector.java:123)
    07/12/23 04:12:22      at oracle.toplink.jndi.JNDIConnector.connect(JNDIConnector.java:84)
    07/12/23 04:12:22      at oracle.toplink.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:154)
    07/12/23 04:12:22      at oracle.toplink.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:517)
    07/12/23 04:12:22      at oracle.toplink.ejb.cmp3.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:186)
    07/12/23 04:12:22      at oracle.toplink.internal.ejb.cmp3.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:213)
    07/12/23 04:12:22      at oracle.toplink.internal.ejb.cmp3.base.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:58)
    07/12/23 04:12:22      at oracle.toplink.internal.ejb.cmp3.base.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:91)
    07/12/23 04:12:22      at oracle.toplink.internal.ejb.cmp3.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:64)
    07/12/23 04:12:22      at oracle.oc4j.persistence.EntityManagerProxy.createEntityManager(EntityManagerProxy.java:100)
    07/12/23 04:12:22      at oracle.oc4j.persistence.EntityManagerProxy.allocateEntityManager(EntityManagerProxy.java:85)
    07/12/23 04:12:22      at oracle.oc4j.persistence.AbstractEntityManagerProxy.createQuery(AbstractEntityManagerProxy.java:101)
    07/12/23 04:12:22      at oracle.oc4j.persistence.EntityManagerProxy.createQuery(EntityManagerProxy.java:70)
    07/12/23 04:12:22      at com.prapansol.elearn.usermanagement.model.businessprocess.service.admmenu.AdmMenuManagerBean.getAllActiveResponsibilityMenus(AdmMenuManagerBean.java:118)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    07/12/23 04:12:22      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    07/12/23 04:12:22      at java.lang.reflect.Method.invoke(Method.java:585)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.joinpoint.EJBJoinPointImpl.invoke(EJBJoinPointImpl.java:27)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.SetContextActionInterceptor.invoke(SetContextActionInterceptor.java:44)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.TxRequiredInterceptor.invoke(TxRequiredInterceptor.java:50)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.JAASInterceptor$1.run(JAASInterceptor.java:52)
    07/12/23 04:12:22      at java.security.AccessController.doPrivileged(Native Method)
    07/12/23 04:12:22      at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
    07/12/23 04:12:22      at oracle.oc4j.security.SecurityServices.doAsPrivileged(SecurityServices.java:150)
    07/12/23 04:12:22      at oracle.oc4j.security.SecurityServices.doAsPrivileged(SecurityServices.java:420)
    07/12/23 04:12:22      at oracle.oc4j.security.JaasModeImpl$DoAsPrivilegedExecutor.execute(JaasModeImpl.java:280)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.JAASInterceptor.invoke(JAASInterceptor.java:57)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.InvocationContextPool.invoke(InvocationContextPool.java:58)
    07/12/23 04:12:22      at com.evermind.server.ejb.StatelessSessionEJBObject.OC4J_invokeMethod(StatelessSessionEJBObject.java:104)
    07/12/23 04:12:22      at AdmMenuManager_LocalProxy_5k85l3l.getAllActiveResponsibilityMenus(Unknown Source)
    07/12/23 04:12:22      at com.prapansol.elearn.usermanagement.backing.main.Usermanagementhome.setMenuBar1(Usermanagementhome.java:146)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    07/12/23 04:12:22      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    07/12/23 04:12:22      at java.lang.reflect.Method.invoke(Method.java:585)
    07/12/23 04:12:22      at javax.el.BeanELResolver.setValue(BeanELResolver.java:352)
    07/12/23 04:12:22      at javax.el.CompositeELResolver.setValue(CompositeELResolver.java:283)
    07/12/23 04:12:22      at com.sun.faces.el.FacesCompositeELResolver.setValue(FacesCompositeELResolver.java:93)
    07/12/23 04:12:22      at com.sun.el.parser.AstValue.setValue(AstValue.java:134)
    07/12/23 04:12:22      at com.sun.el.ValueExpressionImpl.setValue(ValueExpressionImpl.java:255)
    07/12/23 04:12:22      at com.sun.faces.application.ApplicationImpl.createComponent(ApplicationImpl.java:222)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentELTag.createComponent(UIComponentELTag.java:211)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentClassicTagBase.createChild(UIComponentClassicTagBase.java:466)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:651)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1098)
    07/12/23 04:12:22      at org.apache.myfaces.trinidad.webapp.UIXComponentELTag.doStartTag(UIXComponentELTag.java:63)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.unified.taglib.UnifiedMenuBarTag.doStartTag(UnifiedMenuBarTag.java:67)
    07/12/23 04:12:22      at templates.usermanagementtemplate_jspx.__jsp_tag_ctru41_helper_52(_usermanagementtemplate_jspx.java:1218)
    07/12/23 04:12:22      at templates.usermanagementtemplate_jspx._jspService(_usermanagementtemplate_jspx.java:602)
    07/12/23 04:12:22      at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:60)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:483)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:683)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:607)
    07/12/23 04:12:22      at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:709)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.unprivileged_include(ServletRequestDispatcher.java:154)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.access$000(ServletRequestDispatcher.java:45)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher$1.oc4jRun(ServletRequestDispatcher.java:91)
    07/12/23 04:12:22      at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:326)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:96)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.taglib.region.ComponentRefTag.__include(ComponentRefTag.java:338)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.taglib.region.ComponentRefTag.doEndTag(ComponentRefTag.java:192)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.taglib.region.PageTemplateTag.doEndTag(PageTemplateTag.java:69)
    07/12/23 04:12:22      at test1jspx._jspService(_test1_jspx.java:830)
    07/12/23 04:12:22      at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:60)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:483)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:683)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:607)
    07/12/23 04:12:22      at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:709)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(ServletRequestDispatcher.java:285)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestDispatcher.java:45)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDispatcher.java:191)
    07/12/23 04:12:22      at oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:326)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:196)
    07/12/23 04:12:22      at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:422)
    07/12/23 04:12:22      at org.apache.myfaces.trinidad.context.ExternalContextDecorator.dispatch(ExternalContextDecorator.java:44)
    07/12/23 04:12:22      at org.apache.myfaces.trinidad.context.ExternalContextDecorator.dispatch(ExternalContextDecorator.java:44)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.context.FacesContextFactoryImpl$OverrideDispatch.dispatch(FacesContextFactoryImpl.java:265)
    07/12/23 04:12:22      at com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:447)
    07/12/23 04:12:22      at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:116)
    07/12/23 04:12:22      at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:178)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:174)
    07/12/23 04:12:22      at com.prapansol.elearn.usermanagement.managedbeans.UrlMasking.renderView(UrlMasking.java:180)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:509)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:194)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:159)
    07/12/23 04:12:22      at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
    07/12/23 04:12:22      at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
    07/12/23 04:12:22      at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:171)
    07/12/23 04:12:22      at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.webapp.rich.SharedLibraryFilter.doFilter(SharedLibraryFilter.java:137)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:60)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.activedata.ADSFilter.doFilter(ADSFilter.java:76)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:285)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:209)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:166)
    07/12/23 04:12:22      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:139)
    07/12/23 04:12:22      at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:617)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
    07/12/23 04:12:22      at com.evermind.server.http.HttpRequestHandler.doDispatchRequest(HttpRequestHandler.java:889)
    07/12/23 04:12:22      at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:797)
    07/12/23 04:12:22      at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:607)
    07/12/23 04:12:22      at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:376)
    07/12/23 04:12:22      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:161)
    07/12/23 04:12:22      at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:142)
    07/12/23 04:12:22      at oracle.oc4j.network.ServerSocketReadHandler$ClientRunnable.run(ServerSocketReadHandler.java:275)
    07/12/23 04:12:22      at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:237)
    07/12/23 04:12:22      at oracle.oc4j.network.ServerSocketAcceptHandler.access$800(ServerSocketAcceptHandler.java:29)
    07/12/23 04:12:22      at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:878)
    07/12/23 04:12:22      at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
    07/12/23 04:12:22      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
    07/12/23 04:12:22      at java.lang.Thread.run(Thread.java:595)
    07/12/23 04:12:22 javax.ejb.EJBException: nested exception is: java.lang.NullPointerException
    07/12/23 04:12:22      at com.evermind.server.ejb.EJBUtils.createEJBException(EJBUtils.java:146)
    07/12/23 04:12:22      at com.evermind.server.ejb.EJBUtils.createEJBException(EJBUtils.java:137)
    07/12/23 04:12:22      at oracle.oc4j.persistence.EntityManagerProxy.allocateEntityManager(EntityManagerProxy.java:93)
    07/12/23 04:12:22      at oracle.oc4j.persistence.AbstractEntityManagerProxy.createQuery(AbstractEntityManagerProxy.java:101)
    07/12/23 04:12:22      at oracle.oc4j.persistence.EntityManagerProxy.createQuery(EntityManagerProxy.java:70)
    07/12/23 04:12:22      at com.prapansol.elearn.usermanagement.model.businessprocess.service.admmenu.AdmMenuManagerBean.getAllActiveResponsibilityMenus(AdmMenuManagerBean.java:118)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    07/12/23 04:12:22      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    07/12/23 04:12:22      at java.lang.reflect.Method.invoke(Method.java:585)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.joinpoint.EJBJoinPointImpl.invoke(EJBJoinPointImpl.java:27)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.SetContextActionInterceptor.invoke(SetContextActionInterceptor.java:44)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.TxRequiredInterceptor.invoke(TxRequiredInterceptor.java:50)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.JAASInterceptor$1.run(JAASInterceptor.java:52)
    07/12/23 04:12:22      at java.security.AccessController.doPrivileged(Native Method)
    07/12/23 04:12:22      at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
    07/12/23 04:12:22      at oracle.oc4j.security.SecurityServices.doAsPrivileged(SecurityServices.java:150)
    07/12/23 04:12:22      at oracle.oc4j.security.SecurityServices.doAsPrivileged(SecurityServices.java:420)
    07/12/23 04:12:22      at oracle.oc4j.security.JaasModeImpl$DoAsPrivilegedExecutor.execute(JaasModeImpl.java:280)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.JAASInterceptor.invoke(JAASInterceptor.java:57)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.system.DMSInterceptor.invoke(DMSInterceptor.java:52)
    07/12/23 04:12:22      at com.evermind.server.ejb.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:101)
    07/12/23 04:12:22      at com.evermind.server.ejb.InvocationContextPool.invoke(InvocationContextPool.java:58)
    07/12/23 04:12:22      at com.evermind.server.ejb.StatelessSessionEJBObject.OC4J_invokeMethod(StatelessSessionEJBObject.java:104)
    07/12/23 04:12:22      at AdmMenuManager_LocalProxy_5k85l3l.getAllActiveResponsibilityMenus(Unknown Source)
    07/12/23 04:12:22      at com.prapansol.elearn.usermanagement.backing.main.Usermanagementhome.setMenuBar1(Usermanagementhome.java:146)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    07/12/23 04:12:22      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    07/12/23 04:12:22      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    07/12/23 04:12:22      at java.lang.reflect.Method.invoke(Method.java:585)
    07/12/23 04:12:22      at javax.el.BeanELResolver.setValue(BeanELResolver.java:352)
    07/12/23 04:12:22      at javax.el.CompositeELResolver.setValue(CompositeELResolver.java:283)
    07/12/23 04:12:22      at com.sun.faces.el.FacesCompositeELResolver.setValue(FacesCompositeELResolver.java:93)
    07/12/23 04:12:22      at com.sun.el.parser.AstValue.setValue(AstValue.java:134)
    07/12/23 04:12:22      at com.sun.el.ValueExpressionImpl.setValue(ValueExpressionImpl.java:255)
    07/12/23 04:12:22      at com.sun.faces.application.ApplicationImpl.createComponent(ApplicationImpl.java:222)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentELTag.createComponent(UIComponentELTag.java:211)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentClassicTagBase.createChild(UIComponentClassicTagBase.java:466)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:651)
    07/12/23 04:12:22      at javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1098)
    07/12/23 04:12:22      at org.apache.myfaces.trinidad.webapp.UIXComponentELTag.doStartTag(UIXComponentELTag.java:63)
    07/12/23 04:12:22      at oracle.adfinternal.view.faces.unified.taglib.UnifiedMenuBarTag.doStartTag(UnifiedMenuBarTag.java:67)
    07/12/23 04:12:22      at templates.usermanagementtemplate_jspx.__jsp_tag_ctru41_helper_52(_usermanagementtemplate_jspx.java:1218)
    07/12/23 04:12:22      at templates.usermanagementtemplate_jspx._jspService(_usermanagementtemplate_jspx.java:602)
    07/12/23 04:12:22      at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:60)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:483)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:683)
    07/12/23 04:12:22      at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:607)
    07/12/23 04:12:22      at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:709)
    07/12/23 04:12:22      at com.evermind.server.http.ServletRequestDispatcher.unprivileged_include(ServletRequestDispatcher.java:154)
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    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:213)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:182)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:164)
    at weblogic.ejb.internal.EJBDeploymentImpl.<init>(EJBDeploymentImpl.java:172)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:122)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:112)
    at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:305)
    at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)
    --------------- nested within: ------------------
    weblogic.ejb.deployment.JarLoadException - with nested exception:
    [weblogic.ejb.common.DeploymentException: Problem creating deployment
    C:/weblogic/myserver/eportal/EpcWSHBilling.jar from
    C:\weblogic\myserver\eportal\EpcWSHBilling.jar; nested exception is:
            weblogic.ejb.common.DeploymentException: could not read JAR
    file 'C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar'
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            java.lang.NullPointerException
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            java.lang.NullPointerException
    java.lang.NullPointerException
            at weblogic.ejb.internal.depend.ClosedSet.skipClass(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.addClass(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.findConstants(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.run(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.findDependencies(ClosedSet.java:53)
            at weblogic.ejb.internal.EJBJarLoader$ClosedSetAdapter.findDependencies(EJBJarLoader.java:220)
            at weblogic.ejb.internal.EJBJarLoader.computeExclude(EJBJarLoader.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBJarLoader.initialize(EJBJarLoader.java:125)
            at weblogic.ejb.internal.EJBJarLoader.<init>(EJBJarLoader.java:88)
            at weblogic.ejb.internal.EJBJarDeployment.setupJar(EJBJarDeployment.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:211)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:182)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:164)
            at weblogic.ejb.internal.EJBDeploymentImpl.<init>(EJBDeploymentImpl.java:172)
            at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:122)
            at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:112)
            at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:305)
            at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
            at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
            at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
            at java.lang.reflect.Method.invoke(Native Method)
            at weblogic.Server.startServerDynamically(Server.java:99)
            at weblogic.Server.main(Server.java:65)
            at weblogic.Server.main(Server.java:55)
    at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:313)
    at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)

    We are deploying a JAR file containing all EJBs of our application on
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    fully included at the end of the message).
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    Patrick
    Complete error dump:
    Fri Dec 21 14:06:07 EST 2001:<E> <EJB> Could not deploy:
    'C:/weblogic/myserver/eportal/EpcWSHBilling.jar': file is not a valid
    jar file, or does not
    contain a valid bean
    weblogic.ejb.common.DeploymentException: DeploymentException opening
    JAR file C:\weblogic\myserver\eportal\EpcWSHBilling.jar; nested
    exception is:
    weblogic.ejb.deployment.JarLoadException - with nested
    exception:
    [weblogic.ejb.common.DeploymentException: Problem creating deployment
    C:/weblogic/myserver/eportal/EpcWSHBilling.jar from
    C:\weblogic\myserver\eportal\EpcWSHBilling.jar; nested exception is:
            weblogic.ejb.common.DeploymentException: could not read JAR
    file 'C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar'
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            java.lang.NullPointerException
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            java.lang.NullPointerException
    java.lang.NullPointerException
            at weblogic.ejb.internal.depend.ClosedSet.skipClass(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.addClass(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.findConstants(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.run(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.findDependencies(ClosedSet.java:53)
            at weblogic.ejb.internal.EJBJarLoader$ClosedSetAdapter.findDependencies(EJBJarLoader.java:220)
            at weblogic.ejb.internal.EJBJarLoader.computeExclude(EJBJarLoader.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBJarLoader.initialize(EJBJarLoader.java:125)
            at weblogic.ejb.internal.EJBJarLoader.<init>(EJBJarLoader.java:88)
            at weblogic.ejb.internal.EJBJarDeployment.setupJar(EJBJarDeployment.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:211)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:182)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:164)
            at weblogic.ejb.internal.EJBDeploymentImpl.<init>(EJBDeploymentImpl.java:172)
            at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:122)
            at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:112)
            at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:305)
            at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
            at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
            at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
            at java.lang.reflect.Method.invoke(Native Method)
            at weblogic.Server.startServerDynamically(Server.java:99)
            at weblogic.Server.main(Server.java:65)
            at weblogic.Server.main(Server.java:55)
    weblogic.ejb.common.DeploymentException: Problem creating deployment
    C:/weblogic/myserver/eportal/EpcWSHBilling.jar from
    C:\weblogic\myserver\eportal\EpcWSHBilling.jar; nested exception is:
    weblogic.ejb.common.DeploymentException: could not read JAR
    file 'C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar'
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
    java.lang.NullPointerException
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
    java.lang.NullPointerException
    java.lang.NullPointerException
    at weblogic.ejb.internal.depend.ClosedSet.skipClass(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.addClass(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.findConstants(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.run(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.findDependencies(ClosedSet.java:53)
    at weblogic.ejb.internal.EJBJarLoader$ClosedSetAdapter.findDependencies(EJBJarLoader.java:220)
    at weblogic.ejb.internal.EJBJarLoader.computeExclude(EJBJarLoader.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBJarLoader.initialize(EJBJarLoader.java:125)
    at weblogic.ejb.internal.EJBJarLoader.<init>(EJBJarLoader.java:88)
    at weblogic.ejb.internal.EJBJarDeployment.setupJar(EJBJarDeployment.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:211)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:182)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:164)
    at weblogic.ejb.internal.EJBDeploymentImpl.<init>(EJBDeploymentImpl.java:172)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:122)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:112)
    at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:305)
    at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)
    weblogic.ejb.common.DeploymentException: could not read JAR file
    'C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar'
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
    java.lang.NullPointerException
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
    java.lang.NullPointerException
    java.lang.NullPointerException
    at weblogic.ejb.internal.depend.ClosedSet.skipClass(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.addClass(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.findConstants(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.run(ClosedSet.java,
    Compiled Code)
    at weblogic.ejb.internal.depend.ClosedSet.findDependencies(ClosedSet.java:53)
    at weblogic.ejb.internal.EJBJarLoader$ClosedSetAdapter.findDependencies(EJBJarLoader.java:220)
    at weblogic.ejb.internal.EJBJarLoader.computeExclude(EJBJarLoader.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBJarLoader.initialize(EJBJarLoader.java:125)
    at weblogic.ejb.internal.EJBJarLoader.<init>(EJBJarLoader.java:88)
    at weblogic.ejb.internal.EJBJarDeployment.setupJar(EJBJarDeployment.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:211)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:182)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:164)
    at weblogic.ejb.internal.EJBDeploymentImpl.<init>(EJBDeploymentImpl.java:172)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:122)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:112)
    at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:305)
    at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:213)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:182)
    at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:164)
    at weblogic.ejb.internal.EJBDeploymentImpl.<init>(EJBDeploymentImpl.java:172)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:122)
    at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:112)
    at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:305)
    at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)
    --------------- nested within: ------------------
    weblogic.ejb.deployment.JarLoadException - with nested exception:
    [weblogic.ejb.common.DeploymentException: Problem creating deployment
    C:/weblogic/myserver/eportal/EpcWSHBilling.jar from
    C:\weblogic\myserver\eportal\EpcWSHBilling.jar; nested exception is:
            weblogic.ejb.common.DeploymentException: could not read JAR
    file 'C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar'
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            java.lang.NullPointerException
    weblogic.ejb.common.DeploymentException: loading EJB JAR
    C:\weblogic\myserver\tmp_deployments\ejbjar2596.jar; nested exception
    is:
            java.lang.NullPointerException
    java.lang.NullPointerException
            at weblogic.ejb.internal.depend.ClosedSet.skipClass(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.addClass(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.findConstants(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.run(ClosedSet.java,
    Compiled Code)
            at weblogic.ejb.internal.depend.ClosedSet.findDependencies(ClosedSet.java:53)
            at weblogic.ejb.internal.EJBJarLoader$ClosedSetAdapter.findDependencies(EJBJarLoader.java:220)
            at weblogic.ejb.internal.EJBJarLoader.computeExclude(EJBJarLoader.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBJarLoader.initialize(EJBJarLoader.java:125)
            at weblogic.ejb.internal.EJBJarLoader.<init>(EJBJarLoader.java:88)
            at weblogic.ejb.internal.EJBJarDeployment.setupJar(EJBJarDeployment.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:211)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:182)
            at weblogic.ejb.internal.EJBJarDeployment.setup(EJBJarDeployment.java:164)
            at weblogic.ejb.internal.EJBDeploymentImpl.<init>(EJBDeploymentImpl.java:172)
            at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:122)
            at weblogic.ejb.internal.EJBJarDeployment.<init>(EJBJarDeployment.java:112)
            at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:305)
            at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
            at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
            at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
            at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
            at java.lang.reflect.Method.invoke(Native Method)
            at weblogic.Server.startServerDynamically(Server.java:99)
            at weblogic.Server.main(Server.java:65)
            at weblogic.Server.main(Server.java:55)
    at weblogic.ejb.internal.EJBManagerImpl.deploy(EJBManagerImpl.java:313)
    at weblogic.ejb.internal.EJBManagerImpl.deployBeans(EJBManagerImpl.java,
    Compiled Code)
    at weblogic.ejb.internal.EJBManagerImpl.<init>(EJBManagerImpl.java:242)
    at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java, Compiled Code)
    at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:825)
    at java.lang.reflect.Method.invoke(Native Method)
    at weblogic.Server.startServerDynamically(Server.java:99)
    at weblogic.Server.main(Server.java:65)
    at weblogic.Server.main(Server.java:55)

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    Thanks Carty,
    I am not creating Connection from EJB. I have a POJO called DBManager that looks for the DB Connection and return that to either EJB or other POJO that requests for Connection.
    I am having a private method that get the connection from the DBManager because while writing UnitTest cases I can mockup getting Connection as my Unit test case will be a POJO again..
    I have a question here regarding making DBManager as Singleton class. In my current project, I have configured my database in the application server as getting the connection by lookup for datasource through JNDI. It internally maintains all logical connection and always have one physical connection. In such scenario how implementing singleton will be beneficial?
    Thank you for answering all my questions.

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