Nested exception is: java.lang.ClassCastException

Hi All,
I am using Jdeveloper 11.3 with Integrated WLS server and database : 11g.
I am deploying the web and ejb application. It runs first time but when I an deploying web application next time. It throws exception :
]] Root cause of ServletException.
javax.faces.el.EvaluationException: javax.ejb.EJBException: EJB Exception: ; nested exception is:
     java.lang.ClassCastException: com.bt.mri.entities.EquipmentMultiple cannot be cast to com.bt.mri.entities.EquipmentMultiple; nested exception is: java.lang.ClassCastException: com.bt.mri.entities.EquipmentMultiple cannot be cast to com.bt.mri.entities.EquipmentMultiple
     at org.apache.myfaces.trinidad.component.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:51)
     at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
     at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:97)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:90)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:309)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:94)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:91)
     at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:475)
     at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:756)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._invokeApplication(LifecycleImpl.java:698)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:285)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:414)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:330)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)

Resolved by using
BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();
OperationBinding method = bindings.getOperationBinding("getDisplayFlag");
Object result = method.execute();

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    Best Regards
    Rui Madaleno

    Question is which part of the heap is running out of space. It is more likely that your PermGen space is too small. PermGen is used for static variable, static and literal String values and classes as well. You can increase it with -XX:MaxPermSize=<value>. With a max heap size of 1024m a good starting value is 128m.
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    --olaf                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

  • Exception: java.lang.ClassCastException: HTTPClient.HttpURLConnection

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  • Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException:

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    at weblogic.servlet.internal.ServletResponseImpl.sendError(Compiled Code)
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    Code)
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    When running weblogic 4.5.1 on our staging server we get the following
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    at java.lang.Throwable.fillInStackTrace(Native Method)
    at java.lang.Throwable.fillInStackTrace(Compiled Code)
    at java.lang.Throwable.<init>(Compiled Code)
    at java.lang.Exception.<init>(Compiled Code)
    at java.io.IOException.<init>(Compiled Code)
    at java.net.ProtocolException.<init>(Compiled Code)
    at weblogic.servlet.internal.ServletOutputStreamImpl.print(Compiled Code)
    at javax.servlet.ServletOutputStream.println(ServletOutputStream.java:252)
    at
    weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.
    java:307)
    at weblogic.servlet.internal.ServletResponseImpl.sendError(Compiled Code)
    at weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled
    Code)
    at weblogic.servlet.internal.ServletContextImpl.invokeServlet(Compiled
    Code)
    at weblogic.socket.MuxableSocketHTTP.invokeServlet(Compiled Code)
    at weblogic.socket.MuxableSocketHTTP.execute(Compiled Code)
    at weblogic.t3.srvr.ExecuteThread.run(Compiled Code)
    Any ideas ?

  • Java.lang.ClassCastException ( Nested Table )

    while (rs.next()) {
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    During the run time, the above error message occured..
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