How do I not get rmi.UnmarshalException: java.lang.ClassNotFoundException:?

Hello,
I'm not able to run the RMI example code provided by the sun tutorial. When I attempt running ComputeEngine in Eclipse I get:
ComputeEngine exception:
java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
     java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
     java.lang.ClassNotFoundException: compute.Compute
The code may be found on http://java.sun.com/docs/books/tutorial/rmi/running.html
I've only removed the code concerned with security. I run the registry in the terminal, before trying to execute. I recall it had worked with me yesterday, but today presenting it not.

The RMI Registry can't find the class(es) in question on its CLASSPATH. So what to do?Err, make sure the RMI Registry can find the class(es) in question on its CLASSPATH?
For example, specify -J-classpath when starting the RMI Registry. Or start it in the root directory of your .class package structure. Or start it withing the server JVM via LocateRegistry.createRegistry(). Or use the codebase feature.

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    2. Click the "Go" button, followed by the "Add All" button
    3. Select "Component" = "All" and in the "Search pattern" field write "com.sap.security.spnego"
    4. Click the "Go" button, followed by the "Add All" button
    5. Start the tool
    Then we have reproduce the problem and stop the tool. The generated zip file will contain following error:
    15:45:20:078 Error J2EE_GST_PRD SAPEngine_Application_Thread[impl:3]_15 ~p.security.spnego.krb5.crypto.DesCrypto Checksum error! checksum: 0xc46bfed8d0dbc54221ee75405c8cd5ac; calculated checksum: 0x6ead7e801608b729a6957597327f2ba5
    15:45:20:078 Error J2EE_GST_PRD SAPEngine_Application_Thread[impl:3]_15 ~m.sap.security.spnego.SPNEGOLoginModule Could not validate SPNEGO token.
    java.lang.Exception: Checksum error.
    at com.sap.security.spnego.krb5.crypto.DesCrypto.decrypt(DesCrypto.java:43)
    at com.sap.security.spnego.krb5.KrbEncryptedData.decrypt(KrbEncryptedData.java:81)
    at com.sap.security.spnego.krb5.KrbApReq.decrypt(KrbApReq.java:67)
    at com.sap.security.spnego.SPNEGOLoginModule.parseAndValidateSPNEGOToken(SPNEGOLoginModule.java:234)
    at com.sap.security.spnego.SPNEGOLoginModule.processAuthorizationHeader(SPNEGOLoginModule.java:385)
    at com.sap.security.spnego.SPNEGOLoginModule.login(SPNEGOLoginModule.java:102)
    at com.sap.engine.services.security.login.LoginModuleLoggingWrapperImpl.login(LoginModuleLoggingWrapperImpl.java:185)
    at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:70)
    at java.security.AccessController.doPrivileged(AccessController.java:246)
    at com.sap.engine.services.security.login.FastLoginContext.login(FastLoginContext.java:181)
    at com.sap.engine.system.SystemLoginModule.login(SystemLoginModule.java:90)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:88)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:61)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
    at java.lang.reflect.Method.invoke(Method.java:391)
    at javax.security.auth.login.LoginContext.invoke(LoginContext.java:699)
    at javax.security.auth.login.LoginContext.access$000(LoginContext.java:151)
    at javax.security.auth.login.LoginContext$4.run(LoginContext.java:634)
    at java.security.AccessController.doPrivileged(AccessController.java:246)
    at javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:631)
    at javax.security.auth.login.LoginContext.login(LoginContext.java:557)
    at com.sap.security.core.logon.imp.SAPJ2EEAuthenticator.logon(SAPJ2EEAuthenticator.java:912)
    at com.sapportals.portal.prt.service.authenticationservice.AuthenticationService.login(AuthenticationService.java:367)
    at com.sapportals.portal.prt.connection.UMHandler.handleUM(UMHandler.java:126)
    at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:181)
    at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:541)
    at java.security.AccessController.doPrivileged(AccessController.java:246)
    at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:430)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at com.sap.engine.services.servlets_jsp.server.servlet.InvokerServlet.service(InvokerServlet.java:156)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.doWork(RequestDispatcherImpl.java:321)
    at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:377)
    at com.sap.portal.navigation.Gateway.service(Gateway.java:126)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
    at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039)
    at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)
    at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
    at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
    at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
    at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
    at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
    at java.security.AccessController.doPrivileged(AccessController.java:219)
    at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104)
    at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)
    Could you help us?
    Many thanks for your collaboration

    << Do not post the same question across a number of forums >>

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    SET MY_ORACLE_SID=%3
    SET MY_GLOBAL_DB_NAME=%4
    SET sysPassword=%5
    SET systemPassword=%6
    SET recoveryAreaDestination=%7
    SET CONFIGURE_EM=%8
    SET dbsnmpPassword=%9
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    Hi Darren,
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    Dennis

  • Exception occured while retrieving the Flowtrace XML for the Composite Instance; java.lang.ClassNotFoundException: Failed to load class oracle.bpel.services.workflow.WorkflowException

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    >>> at oracle.soa.management.internal.ejb.impl.FacadeFinderBean_4vacyo_FacadeFinderBeanImpl_1036_WLStub.getAuditTrail(Unknown Source)
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    >>> at oracle.sysman.core.model.util.ModelUtil$EMObjectResetter.initOrResetEMObject(ModelUtil.java:319)
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    >>> at oracle.sysman.core.model.util.ModelUtil.initializeMBEMObjects(ModelUtil.java:231)
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    >>> at oracle.adfinternal.controller.lifecycle.ADFLifecycleImpl$PagePhaseListenerWrapper.beforePhase(ADFLifecycleImpl.java:551)
    >>> at oracle.adfinternal.controller.lifecycle.LifecycleImpl.internalDispatchBeforeEvent(LifecycleImpl.java:100)
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    >>> at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:472)
    >>> at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:194)
    >>> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
    >>> at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
    >>> at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
    >>> at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
    >>> at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.sysman.emSDK.license.LicenseFilter.doFilter(LicenseFilter.java:164)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:205)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
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    >>> at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
    >>> at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)
    >>> at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)
    >>> at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.help.web.rich.OHWFilter.doFilter(Unknown Source)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.sysman.emas.fwk.MASConnectionFilter.doFilter(MASConnectionFilter.java:41)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.sysman.eml.app.AuditServletFilter.doFilter(AuditServletFilter.java:179)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.sysman.eml.app.EMRepLoginFilter.doFilter(EMRepLoginFilter.java:203)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.sysman.core.model.targetauth.EMLangPrefFilter.doFilter(EMLangPrefFilter.java:158)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.sysman.core.app.perf.PerfFilter.doFilter(PerfFilter.java:141)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:542)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
    >>> at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
    >>> at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
    >>> at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
    >>> at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
    >>> at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    >>> at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
    >>> at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
    >>> at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
    >>> at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
    >>> at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
    >>> at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
    >>> at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
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    >>> at weblogic.rjvm.MsgAbbrevInputStream.resolveClass(MsgAbbrevInputStream.java:436)
    >>> at weblogic.utils.io.ChunkedObjectInputStream$NestedObjectInputStream.resolveClass(ChunkedObjectInputStream.java:268)
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    >>> at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
    >>> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1870)
    >>> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
    >>> at weblogic.utils.io.ChunkedObjectInputStream.readObject(ChunkedObjectInputStream.java:208)
    >>> at weblogic.rjvm.MsgAbbrevInputStream.readObject(MsgAbbrevInputStream.java:599)
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    >>> at weblogic.rmi.internal.BasicRemoteRef.invoke(BasicRemoteRef.java:223)
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    >>> at oracle.sysman.emai.model.sca.share.composite.FlowTraceModel.setFloatraceModelInfo(FlowTraceModel.java:172)
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    >>> at oracle.sysman.emai.model.sca.EMEntityModel._initializeEntityData(EMEntityModel.java:29)
    >>> at oracle.sysman.emai.model.sca.common.SCAEntityObject.initializeSCAData(SCAEntityObject.java:125)
    >>> at oracle.sysman.emai.model.sca.SCAObject.initializeData(SCAObject.java:66)
    >>> at oracle.sysman.core.model.util.ModelUtil$EMObjectResetter.initOrResetEMObject(ModelUtil.java:319)
    >>> at oracle.sysman.core.model.util.ModelUtil$EMObjectResetter.access$000(ModelUtil.java:280)
    >>> at oracle.sysman.core.model.util.ModelUtil.initializeMBEMObjects(ModelUtil.java:231)
    >>> at oracle.sysman.core.model.util.ModelUtil.initializeAllEMObjects(ModelUtil.java:131)
    >>> at oracle.sysman.core.model.util.ModelUtil.initializeAllEMObjects(ModelUtil.java:102)
    >>> at oracle.sysman.emSDK.adfext.ctlr.EMPagePhaseListener.doPrePrepareModel(EMPagePhaseListener.java:869)
    >>> at oracle.sysman.emSDK.adfext.ctlr.EMPagePhaseListener.beforePhase(EMPagePhaseListener.java:795)
    >>> at oracle.adfinternal.controller.lifecycle.ADFLifecycleImpl$PagePhaseListenerWrapper.beforePhase(ADFLifecycleImpl.java:552)
    >>> at oracle.adfinternal.controller.lifecycle.LifecycleImpl.internalDispatchBeforeEvent(LifecycleImpl.java:100)
    >>> at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:192)
    >>> at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$400(ADFPhaseListener.java:23)
    >>> at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$PhaseInvokerImpl.startPageLifecycle(ADFPhaseListener.java:238)
    >>> at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$1.after(ADFPhaseListener.java:276)
    >>> at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:77)
    >>> at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.afterPhase(ADFLifecyclePhaseListener.java:54)
    >>> at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:472)
    >>> at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:194)
    >>> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
    >>> at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
    >>> at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
    >>> at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
    >>> at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.sysman.emSDK.license.LicenseFilter.doFilter(LicenseFilter.java:166)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:205)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
    >>> at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:447)
    >>> at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
    >>> at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:447)
    >>> at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)
    >>> at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)
    >>> at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.help.web.rich.OHWFilter.doFilter(Unknown Source)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.sysman.emas.fwk.MASConnectionFilter.doFilter(MASConnectionFilter.java:41)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:180)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.sysman.eml.app.AuditServletFilter.doFilter(AuditServletFilter.java:183)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.sysman.eml.app.EMRepLoginFilter.doFilter(EMRepLoginFilter.java:203)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.sysman.core.model.targetauth.EMLangPrefFilter.doFilter(EMLangPrefFilter.java:158)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.sysman.core.app.perf.PerfFilter.doFilter(PerfFilter.java:141)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:542)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
    >>> at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
    >>> at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
    >>> at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
    >>> at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
    >>> at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
    >>> at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
    >>> ... 9 more

    Hi Manish,
    It seems that you are using a custom security provider and the weblogic server is not able to find the class / jar file that contains the class.
    java.lang.ClassNotFoundException: Failed to load class com.msl.security.providers.SessionPrincipal]
    Make sure you have all the required jar files in the server classpath.
    You can use the JarScan utility to find the jar that contains the class.
    Refer the below link regarding the jarScan.
    http://weblogic-wonders.com/weblogic/2011/01/26/finding-jar-files-using-jarscan/
    Regards,
    Anandraj
    http://weblogic-wonders.com

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