Session Invalidator exceptions

I'm testing out weblogic 4.5 coming from 4.03 and i have discovered some
          strage session behavior. the process controled by the
          weblogic.properties parameter
          weblogic.httpd.session.invalidationIntervalSecs=xxx is throwing the
          following exception:
          Fri Feb 25 10:49:46 PST 2000:<E> <HttpSessionContext> Problem finding
          all keys
          Fri Feb 25 10:49:46 PST 2000:<E> <HttpSessionContext>
          java.rmi.RemoteException:
          Exception unserializing values; nested exception is:
          java.io.EOFException: Expecting code
          java.io.EOFException: Expecting code
          at
          java.io.ObjectInputStream.peekCode(ObjectInputStream.java:1276)
          at
          java.io.ObjectInputStream.readObject(ObjectInputStream.java:282)
          at
          java.io.ObjectInputStream.readObject(ObjectInputStream.java:232)
          at
          java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:789)
          at
          java.io.ObjectInputStream.readObject(ObjectInputStream.java:353)
          at
          java.io.ObjectInputStream.readObject(ObjectInputStream.java:232)
          at
          java.io.ObjectInputStream.inputObject(ObjectInputStream.java:978)
          at
          java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
          at
          java.io.ObjectInputStream.readObject(ObjectInputStream.java:232)
          at
          weblogic.servlet.internal.session.ClusteredSession.ejbLoad(ClusteredSession.java:68)
          at
          weblogic.servlet.internal.session.ClusteredSessionPSJDBC.finderEnumToEnum(ClusteredSessionPSJDBC.java:663)
          at
          weblogic.servlet.internal.session.ClusteredSessionPSJDBC.findAllSessions(ClusteredSessionPSJDBC.java:543)
          at
          weblogic.servlet.internal.session.ClusteredSessionHomeImpl.findAllSessions(ClusteredSessionHomeImpl.java:127)
          at
          weblogic.servlet.internal.session.ClusteredSessionHomeImpl_ServiceStub.findAllSessions(ClusteredSessionHomeImpl_ServiceStub.java:143)
          at
          weblogic.servlet.internal.session.ClusteredSessionContextImpl.getIds(ClusteredSessionContextImpl.java:105)
          at
          weblogic.servlet.internal.session.SessionContext$SessionInvalidator.invalidateSessions(SessionContext.java:331)
          at
          weblogic.servlet.internal.session.SessionContext$SessionInvalidator.trigger(SessionContext.java:325)
          at
          weblogic.time.common.internal.ScheduledTrigger.executeLocally(ScheduledTrigger.java:201)
          at
          weblogic.time.common.internal.ScheduledTrigger.execute(ScheduledTrigger.java:195)
          at
          weblogic.time.server.ScheduledTrigger.execute(ScheduledTrigger.java:63)
          at weblogic.t3.srvr.ExecuteThread.run(ExecuteThread.java:106)
          is this because 4.03 sessions and 4.5 session cannot coexist in the
          database? is there anything that we could be doing to prevent this from
          happening? the exception doesn't seem to be fatal, but it can't be good.
          thanks.
          sam

You should be able to use the internal exception's error code.
i.e.
((SQLException) exception.getInternalException()).getErrorCode() == 17002

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com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
java.security.AccessController.doPrivileged(Native Method)
com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)
com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)
please help me in this as I am not getting where the problem is
Edited by: new to netweaver on Sep 9, 2009 11:15 AM

NWA Session Management Exception

Hi,
how can I access NWA -> Configuration Management -> Infrastructure -> Session Management.
I'm running CE7.1 SP5 and get the following exception:
java.lang.NullPointerException
at com.sap.tc.lm.itsam.ui.session.mngt.sessionmngt.SessionMngtView.refreshDomainsTree (SessionMngtView.java:745) at com.sap.tc.lm.itsam.ui.session.mngt.sessionmngt.SessionMngtView.wdDoInit(SessionMngtView.java:118) at com.sap.tc.lm.itsam.ui.session.mngt.sessionmngt.wdp.InternalSessionMngtView.wdDoInit(InternalSessionMngtView.java:462) at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doInit(DelegatingView.java:58) at com.sap.tc.webdynpro.progmodel.controller.Controller.initController (Controller.java:230)... 75 more
Please give feedback if this error can be reproduced.
Best regards,
Kevin

Hi,
have you found a solution for this error.
I have the same error.
regards

Session replication exception

          hi all
          I am getting the exception below on the second server in
          the cluster when i am hitting the first machine whenever
          i am trying to login.
          My config.xl is such that the session is replicated;
          Also i am attaching an object of NWSession( implements serializable ) to HttpSession
          object.
          Both servers in the cluster are identical and has the
          same web applications deployed ( so that the class
          com.epeople.NWSession class is available on both
          servers ) ( Note that i can create an instance of
          NWSession on both servers )
          Thanks in advance,
          sri kumar
          java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
               java.lang.ClassNotFoundException: com.epeople.nwsession.NWSession
          java.lang.ClassNotFoundException: com.epeople.nwsession.NWSession
               <<no stack trace available>>
          --------------- nested within: ------------------
          weblogic.rmi.extensions.RemoteRuntimeException - with nested exception:
          [java.rmi.UnmarshalException: error unmarshalling arguments; nested exception
          is:
               java.lang.ClassNotFoundException: com.epeople.nwsession.NWSession]
               at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:60)
               at $Proxy131.create(Unknown Source)
               at weblogic.cluster.replication.ReplicationManager.trySecondary(ReplicationManager.java:797)
               at weblogic.cluster.replication.ReplicationManager.createSecondary(ReplicationManager.java:743)
               at weblogic.cluster.replication.ReplicationManager.getPrimary(ReplicationManager.java:716)
               at weblogic.cluster.replication.ReplicationManager.lookup(ReplicationManager.java:374)
               at weblogic.servlet.internal.session.ReplicatedSessionContext.getSessionInternal(ReplicatedSessionContext.java:271)
               at weblogic.servlet.internal.ServletRequestImpl.getValidSession(ServletRequestImpl.java:1888)
               at weblogic.servlet.internal.ServletRequestImpl.getSession(ServletRequestImpl.java:1697)
               at weblogic.servlet.security.internal.ServletSecurityManager.checkAccess(ServletSecurityManager.java:119)
               at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2367)
               at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:1959)
               at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)


          I am having the same problem. I am even running both servers in the cluster on
          the same machine (using multi homing ) and still get this error . Any help , please
          . Any BEA expert ??
          "Narinder" <[email protected]> wrote:
          >It looks like, NWSession is not visible to the second server. Try making
          >sure that the config on the second server is exactly like the first server.
          >-Narinder
          >
          >
          >"Sri kumar" <[email protected]> wrote in message
          >news:[email protected]...
          >>
          >> hi all
          >>
          >> I am getting the exception below on the second server in
          >> the cluster when i am hitting the first machine whenever
          >> i am trying to login.
          >>
          >> My config.xl is such that the session is replicated;
          >>
          >> Also i am attaching an object of NWSession( implements serializable
          >) to
          >HttpSession
          >> object.
          >>
          >> Both servers in the cluster are identical and has the
          >> same web applications deployed ( so that the class
          >> com.epeople.NWSession class is available on both
          >> servers ) ( Note that i can create an instance of
          >> NWSession on both servers )
          >>
          >> Thanks in advance,
          >> sri kumar
          >>
          >> java.rmi.UnmarshalException: error unmarshalling arguments; nested
          >exception is:
          >>
          >> java.lang.ClassNotFoundException: com.epeople.nwsession.NWSession
          >> java.lang.ClassNotFoundException: com.epeople.nwsession.NWSession
          >> <<no stack trace available>>
          >> --------------- nested within: ------------------
          >> weblogic.rmi.extensions.RemoteRuntimeException - with nested exception:
          >> [java.rmi.UnmarshalException: error unmarshalling arguments; nested
          >exception
          >> is:
          >> java.lang.ClassNotFoundException: com.epeople.nwsession.NWSession]
          >> at weblogic.rmi.internal.ProxyStub.invoke(ProxyStub.java:60)
          >> at $Proxy131.create(Unknown Source)
          >> at
          >weblogic.cluster.replication.ReplicationManager.trySecondary(ReplicationMana
          >ger.java:797)
          >> at
          >weblogic.cluster.replication.ReplicationManager.createSecondary(ReplicationM
          >anager.java:743)
          >> at
          >weblogic.cluster.replication.ReplicationManager.getPrimary(ReplicationManage
          >r.java:716)
          >> at
          >weblogic.cluster.replication.ReplicationManager.lookup(ReplicationManager.ja
          >va:374)
          >> at
          >weblogic.servlet.internal.session.ReplicatedSessionContext.getSessionInterna
          >l(ReplicatedSessionContext.java:271)
          >> at
          >weblogic.servlet.internal.ServletRequestImpl.getValidSession(ServletRequestI
          >mpl.java:1888)
          >> at
          >weblogic.servlet.internal.ServletRequestImpl.getSession(ServletRequestImpl.j
          >ava:1697)
          >> at
          >weblogic.servlet.security.internal.ServletSecurityManager.checkAccess(Servle
          >tSecurityManager.java:119)
          >> at
          >weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletCo
          >ntext.java:2367)
          >> at
          >weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java
          >:1959)
          >> at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
          >
          >

Session.invalidate exception

FacesContext ctx = FacesContext.getCurrentInstance();
ExternalContext ectx = ctx.getExternalContext();
HttpServletResponse response = (HttpServletResponse)ectx.getResponse();
HttpServletRequest request = (HttpServletRequest)ectx.getRequest();
HttpSession session = (HttpSession)ectx.getSession(false);
if (session!=null) {
try {
session.invalidate();
catch (Throwable th) {
th.printStackTrace();
if (response!=null) {
response.sendRedirect("/asd/asda/asd.jspx");
//request.getRequestDispatcher("").forward(request, response);
if (ctx!=null) {
ctx.responseComplete();
I get this exception when I call session.invalidate .....not sure why??
## Detail 0 ##
java.lang.NullPointerException
     at oracle.adf.share.http.HttpUtil.getAttribute(HttpUtil.java:98)
     at oracle.adf.share.http.HttpSessionScopeAdapter.get(HttpSessionScopeAdapter.java:240)
     at oracle.jbo.common.ampool.SessionCookieImpl.<init>(SessionCookieImpl.java:164)
     at oracle.jbo.http.HttpSessionCookieImpl.<init>(HttpSessionCookieImpl.java:133)
     at oracle.jbo.http.HttpSessionCookieImpl.<init>(HttpSessionCookieImpl.java:124)
     at oracle.jbo.http.HttpSessionCookieFactory.createSessionCookie(HttpSessionCookieFactory.java:131)
     at oracle.jbo.common.ampool.ApplicationPoolImpl.createSessionCookie(ApplicationPoolImpl.java:452)
     at oracle.adf.model.bc4j.DataControlFactoryImpl.findOrCreateSessionCookie(DataControlFactoryImpl.java:141)
     at oracle.adf.model.bc4j.DataControlFactoryImpl.createSession(DataControlFactoryImpl.java:222)
     at oracle.adf.model.binding.DCDataControlReference.getDataControl(DCDataControlReference.java:76)
     at oracle.adf.model.BindingContext.get(BindingContext.java:457)
     at oracle.adf.model.binding.DCUtil.findSpelObject(DCUtil.java:280)
     at oracle.adf.model.binding.DCUtil.findSpelObject(DCUtil.java:248)
     at oracle.adf.model.binding.DCUtil.findContextObject(DCUtil.java:383)
     at oracle.adf.model.binding.DCIteratorBinding.<init>(DCIteratorBinding.java:127)
     at oracle.jbo.uicli.binding.JUIteratorBinding.<init>(JUIteratorBinding.java:60)
     at oracle.jbo.uicli.binding.JUIteratorDef.createIterBinding(JUIteratorDef.java:87)
     at oracle.jbo.uicli.binding.JUIteratorDef.createIterBinding(JUIteratorDef.java:51)
     at oracle.adf.model.binding.DCIteratorBindingDef.createExecutableBinding(DCIteratorBindingDef.java:277)
     at oracle.adf.model.binding.DCBindingContainerDef.createExecutables(DCBindingContainerDef.java:296)
     at oracle.adf.model.binding.DCBindingContainerDef.createBindingContainer(DCBindingContainerDef.java:425)
     at oracle.adf.model.binding.DCBindingContainerReference.createBindingContainer(DCBindingContainerReference.java:54)
     at oracle.adf.model.binding.DCBindingContainerReference.getBindingContainer(DCBindingContainerReference.java:44)
     at oracle.adf.model.BindingContext.get(BindingContext.java:483)
     at oracle.adf.model.binding.DCBindingContainer.release(DCBindingContainer.java:1913)
     at oracle.adf.model.binding.DCDataControl.release(DCDataControl.java:1551)
     at oracle.adf.model.bc4j.DCJboDataControl.release(DCJboDataControl.java:468)
     at oracle.adf.model.binding.DCDataControl.release(DCDataControl.java:1482)
     at oracle.adf.model.BindingContext.release(BindingContext.java:270)
     at oracle.adf.model.servlet.HttpBindingContext.valueUnbound(HttpBindingContext.java:36)
     at com.evermind.server.http.EvermindHttpSession.destroy(EvermindHttpSession.java:454)
     at com.evermind.server.http.HttpApplication.invalidateSession(HttpApplication.java:871)
     at com.evermind.server.http.EvermindHttpSession.invalidate(EvermindHttpSession.java:396)
     at mycode.SecurityBacking.logoutAction(SecurityBacking.java:387)
     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.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:146)
     at oracle.adf.view.faces.component.UIXComponentBase.__broadcast(UIXComponentBase.java:1087)
     at oracle.adf.view.faces.component.UIXCommand.broadcast(UIXCommand.java:204)
     at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:287)
     at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:401)
     at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:95)
     at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:245)
     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:110)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:213)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:228)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:197)
     at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:123)
     at oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:103)
     at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:162)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)
     at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)
     at com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
     at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239)
     at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34)
     at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)

java.lang.NullPointerException     at oracle.adf.share.http.HttpUtil.getAttribute(HttpUtil.java:98)     at oracle.adf.share.http.HttpSessionScopeAdapter.get(HttpSessionScopeAdapter.java:240)     at oracle.adf.model.BindingRequestHandler.beginRequest(BindingRequestHandler.java:127)     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:161)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:370)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:871)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:453)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:221)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)     at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)     at oracle.oc4j.network.ServerSocketAcceptHandler.procClientSocket(ServerSocketAcceptHandler.java:239)     at oracle.oc4j.network.ServerSocketAcceptHandler.access$700(ServerSocketAcceptHandler.java:34)     at oracle.oc4j.network.ServerSocketAcceptHandler$AcceptHandlerHorse.run(ServerSocketAcceptHandler.java:880)     at com.evermind[Oracle Containers for J2EE 10g (10.1.3.3.0) ].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:298)     at java.lang.Thread.run(Thread.java:595)

Recognizing session invalidating

Hi all!
Following problem: I need to recognize if a session gets invalid, because i need some further logout from another application server. i cannot wait for the garbage collector, because i do not know when - if ever - it is started or wants to delete my connection object...
thx, manuel

Use a session listener:
put in your web.xml:
<listener> <listener-class>ClassNameFromYourSessionListener</listener-class>
</listener>
Create a Class implements HttpSessionListener.
You have to implement :
public void sessionDestroyed(javax.servlet.http.HttpSessionEvent httpSessionEvent)
public void sessionCreated(javax.servlet.http.HttpSessionEvent httpSessionEvent)
and now you get it.
regards Dietmar

Session Invalidator exceptions

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