Java.lang.InstantiationException in ADF

Hello everyone,
I am working in ADF 11g version 3 and working on a spplication which has af:tree and many af:table components. After being sometime on the Application, suddenly the screen displays: Error 500--Internal Server Error. Here is the log:
vWX7TCDCCqTZtRglTBsRX06TSbS8pvcNfXsgspfRVJ7z9FGGYxJG!-1400692531!NONE!1321370562820 | 77f91341-536c-46a3-b6f5-a34c74fe6aec[0000JEbp74j9tXwj8DEgKD1EkLal0000H7,0] | ABCD | SEVERE | org.apache.myfaces.trinidad.bean.util.StateUtils$Saver.restoreState |
java.lang.InstantiationException: oracle.adfinternal.view.faces.model.binding.FacesCtrlSearchBinding$QueryIntegerConverter
     at java.lang.Class.newInstance0(Class.java:340)
     at java.lang.Class.newInstance(Class.java:308)
     at org.apache.myfaces.trinidad.bean.util.StateUtils$Saver.restoreState(StateUtils.java:533)
     at org.apache.myfaces.trinidad.bean.util.StateUtils.restoreStateHolder(StateUtils.java:411)
     at org.apache.myfaces.trinidad.bean.PropertyKey.restoreValue(PropertyKey.java:243)
     at org.apache.myfaces.trinidad.bean.util.StateUtils.restoreState(StateUtils.java:357)
     at org.apache.myfaces.trinidad.bean.util.FlaggedPropertyMap.restoreState(FlaggedPropertyMap.java:195)
     at org.apache.myfaces.trinidad.bean.FacesBeanImpl.restoreState(FacesBeanImpl.java:348)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.restoreState(UIXComponentBase.java:945)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:58)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:144)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:144)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:144)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:144)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1182)
     at org.apache.myfaces.trinidadinternal.application.StateManagerImpl.restoreView(StateManagerImpl.java:651)
     at com.sun.faces.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:316)
     at javax.faces.application.ViewHandlerWrapper.restoreView(ViewHandlerWrapper.java:204)
     at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:282)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._restoreView(LifecycleImpl.java:532)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:281)
     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:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:421)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:421)
     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:57)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:414)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at sni.foundation.facesextensions.filters.FoundationFilter.doFilter(FoundationFilter.java:93)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at oracle.security.wls.filter.SSOSessionSynchronizationFilter.doFilter(SSOSessionSynchronizationFilter.java:280)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:160)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:330)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     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)
Can someone throw some light based on this error, I know its hard to know but any clue is highly appreciated.
Thanks a lot !

Hi experts,
I am Working in jdev 11.1.1.3.0.
We are facing same issue in most of non-development environment.
Wed Mar 21 09:16:28:651 CDT 2012 | 1332339388651 | 23 | IRCT_UI | null | 1ZgGPphftVRpq3wRhKTD6VcDTpg7DsJvcYLYBglspVC1TvvZvPpf!1815485401!-1542606130!1332337375138 | 143dc8c6-d216-4fff-89cd-b8ceb095df97[0000JOpbR3c1Newj8DNa4D1FQNwC0000ae,0] | d57461 | SEVERE | org.apache.myfaces.trinidad.bean.util.StateUtils$Saver.restoreState |java.lang.InstantiationException: oracle.adfinternal.view.faces.model.binding.FacesCtrlSearchBinding$QueryIntegerConverter
at java.lang.Class.newInstance0(Class.java:340)
at java.lang.Class.newInstance(Class.java:308)
at org.apache.myfaces.trinidad.bean.util.StateUtils$Saver.restoreState(StateUtils.java:533)
at org.apache.myfaces.trinidad.bean.util.StateUtils.restoreStateHolder(StateUtils.java:411)
at org.apache.myfaces.trinidad.bean.PropertyKey.restoreValue(PropertyKey.java:243)
at org.apache.myfaces.trinidad.bean.util.StateUtils.restoreState(StateUtils.java:357)
at org.apache.myfaces.trinidad.bean.util.FlaggedPropertyMap.restoreState(FlaggedPropertyMap.java:195)
at org.apache.myfaces.trinidad.bean.FacesBeanImpl.restoreState(FacesBeanImpl.java:348)
at org.apache.myfaces.trinidad.component.UIXComponentBase.restoreState(UIXComponentBase.java:945)
at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:58)
at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96)
at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918) at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96) at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918) at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96) at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918) at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:144) at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918) at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96) at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918) at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:96) at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918) at org.apache.myfaces.trinidad.component.TreeState.restoreState(TreeState.java:144) at org.apache.myfaces.trinidad.component.UIXComponentBase.processRestoreState(UIXComponentBase.java:918)
          at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:421) at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:421)
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:57)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:414)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at sni.foundation.facesextensions.filters.FoundationFilter.doFilter(FoundationFilter.java:93)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.security.wls.filter.SSOSessionSynchronizationFilter.doFilter(SSOSessionSynchronizationFilter.java:280)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:160)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:330)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
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)
Any inputs could be highly appreciate.

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    slider

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         at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
         at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
         at com.sap.engine.services.httpserver.filters.ResponseLogWriter.process(ResponseLogWriter.java:67)
         at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
         at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
         at com.sap.engine.services.httpserver.filters.DefineHostFilter.process(DefineHostFilter.java:27)
         at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
         at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
         at com.sap.engine.services.httpserver.filters.MonitoringFilter.process(MonitoringFilter.java:29)
         at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
         at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:71)
         at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:279)
         at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.run(Processor.java:211)
         at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
         at java.security.AccessController.doPrivileged(Native Method)
         at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:133)
         at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:221)

    Hello,
    the source is quite simple:
    package holger;
    public class CalculateDifference implements java.io.Serializable{
        public int theDifferenceIs (int a, int b) {
            return a-b;
    How can I attach the .ear file? I don't see this possibility here.
    Best regards
    Holger

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