Portlet caching in weblogic portal 10.3

Hi,
I implemented the following for testing portlet caching.
1) I have one JSR/168 portlet with cache enabled(Render Cacheable property set to true). This portlet displays time.
2) Have another JSP portlet which prints the cache names and size of the cache.
3) Then third portlet which is a JSF portlet has a submit buton
The caching works fine in the JSR/168 portlet.
I used the following code to display cache names and cache size.
String[] cacheNames = CacheFactory.getCacheNames();
for(int index = 0; index < cacheNames.length; index ++ ) {
Cache rcCache = CacheFactory.getCache(cacheNames[index]);
Iterator cacheKeyIterator = rcCache.keySet().iterator();
int cacheKeySize = rcCache.keySet().size();
while( cacheKeyIterator.hasNext() ) {
          Object aKey = cacheKeyIterator.next();
Object keyValue = rcCache.get( aKey );
System.out.println( "Cache Name: " + cacheNames[index] + "," + cacheKeySize + "," + keyValue.getClass()+","+keyValue );
The above code displays only the cache names which display metadata of the portal/portlet like portlet preferences, localization details.
But I need to know the cache name which is caching the portlet content and in which form the content is getting
cached(as a value object or as HTML). Any help on this?

Hi,
Could someone pls explain which cache is used to cache portlet content and in which form the content is cached?

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    <s0:definitions name="" targetNamespace="urn:oasis:names:tc:wsrp:v1:wsdl">
    <s0:import location="http://esmadaix01:7001/fportlets/producer/wsrp-1.0/markup?WSDL/wlp_wsrp_v1_bindings.wsdl" namespace="urn:bea:wsrp:ext:v1:bind"/>
    <s0:import location="http://esmadaix01:7001/fportlets/producer/wsrp-1.0/markup?WSDL/wsrp_v1_bindings.wsdl" namespace="urn:oasis:names:tc:wsrp:v1:bind"/>
    <s1:Policy s2:Id="ProducerDefaultPolicy">
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    <wssp:SecurityToken TokenType="http://docs.oasis-open.org/wss/2004/01/oasis-2004-01-saml-token-profile-1.0#SAMLAssertionID">
         <wssp:Claims>
    <wssp:ConfirmationMethod>sender-vouches</wssp:ConfirmationMethod>
    </wssp:Claims>
    </wssp:SecurityToken>
    </wssp:SupportedTokens>
    </wssp:Identity>
    </s1:All>
    </s1:Policy>
    <wsp:UsingPolicy s0:Required="true"/>
    <s0:service name="WSRPService">
    <s0:port binding="s3:WSRP_v1_Markup_Binding_SOAP" name="WSRPBaseService">
    <s4:address location="http://esmadaix01:7001/fportlets/producer/wsrp-1.0/markup"/>
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    <s0:port binding="s3:WSRP_v1_ServiceDescription_Binding_SOAP" name="WSRPServiceDescriptionService">
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    at com.bea.wli.sb.console.test.actions.DefaultRequestAction.execute(Defa
    ultRequestAction.java:70)
    at org.apache.struts.action.RequestProcessor.processActionPerform(Reques
    tProcessor.java:419)
    at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.access$201
    (PageFlowRequestProcessor.java:95)
    at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor$ActionRunn
    er.execute(PageFlowRequestProcessor.java:2042)
    at org.apache.beehive.netui.pageflow.interceptor.action.internal.ActionI
    nterceptors.wrapAction(ActionInterceptors.java:90)
    at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processAct
    ionPerform(PageFlowRequestProcessor.java:2114)
    at com.bea.wli.common.base.SBConsoleRequestProcessor.processActionPerfor
    m(SBConsoleRequestProcessor.java:78)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja
    va:224)
    at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInt
    ernal(PageFlowRequestProcessor.java:554)
    at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(Pa
    geFlowRequestProcessor.java:851)
    at org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(A
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    at org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageF
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    at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
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    let.java:130)
    at com.bea.wli.common.base.SBConsoleActionServlet.doGet(SBConsoleActionS
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    at org.apache.beehive.netui.pageflow.PageFlowUtils.strutsLookup(PageFlow
    Utils.java:1169)
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    uteAction(ScopedContentCommonSupport.java:688)
    at com.bea.portlet.adapter.scopedcontent.ScopedContentCommonSupport.proc
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    at com.bea.portlet.adapter.scopedcontent.StrutsStubImpl.processAction(St
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    at com.bea.portlet.adapter.NetuiActionHandler.raiseScopedAction(NetuiAct
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    at com.bea.netuix.servlets.controls.content.NetuiContent.raiseScopedActi
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    at com.bea.netuix.servlets.controls.content.NetuiContent.raiseScopedActi
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    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.j
    ava:361)
    at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:128)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:361)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:339)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:330)
    at com.bea.netuix.nf.Lifecycle.runInbound(Lifecycle.java:162)
    at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:137)
    at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java
    :370)
    at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:229)
    at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:183)
    at com.bea.netuix.servlets.manager.SingleFileServlet.service(SingleFileS
    ervlet.java:221)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
    at weblogic.servlet.AsyncInitServlet.service(AsyncInitServlet.java:124)
    at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run
    (StubSecurityHelper.java:223)
    at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecuri
    tyHelper.java:125)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.jav
    a:283)
    at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
    va:42)
    at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsF
    ilter.java:26)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
    va:42)
    at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
    n.run(WebAppServletContext.java:3243)
    at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
    dSubject.java:321)
    at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
    121)
    at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppS
    ervletContext.java:2003)
    at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletC
    ontext.java:1909)
    at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.j
    ava:1359)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
    at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)
    >
    PLEASE PEASE HELP

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    at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
    at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(ServletStubImpl.java:408)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:318)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
    at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:502)
    at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:429)
    at com.bea.netuix.servlets.controls.application.laf.JspTools.renderJsp(JspTools.java:148)
    at com.bea.netuix.servlets.controls.application.laf.JspControlRenderer.beginRender(JspControlRenderer.java:72)
    at com.bea.netuix.servlets.controls.application.laf.PresentationControlRenderer.beginRender(PresentationControlRenderer.java:65)
    at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:481)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:399)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:361)
    at com.bea.netuix.nf.Lifecycle.runOutbound(Lifecycle.java:208)
    at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:168)
    at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:465)
    at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:291)
    at com.bea.netuix.servlets.manager.UIServlet.doGet(UIServlet.java:231)
    at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:216)
    at com.bea.netuix.servlets.manager.SingleFileServlet.service(SingleFileServlet.java:275)
    at com.bea.netuix.servlets.manager.PortalServlet.service(PortalServlet.java:719)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
    at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
    at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    at com.bea.p13n.servlets.PortalServletFilter.doFilter(PortalServletFilter.java:336)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    at com.bea.content.manager.servlets.ContentServletFilter.doFilter(ContentServletFilter.java:178)
    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.run(WebAppServletContext.java:3592)
    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:2202)
    at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2108)
    at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1432)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
    at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
    Caused by: java.lang.NullPointerException
    at com.sun.faces.renderkit.RenderKitImpl.createResponseWriter(RenderKitImpl.java:188)
    at com.icesoft.faces.renderkit.D2DRenderKit.createResponseWriter(D2DRenderKit.java:87)
    at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:194)
    at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)
    at org.apache.myfaces.portlet.faces.application.PortletViewHandlerImpl.renderView(PortletViewHandlerImpl.java:257)
    at com.bea.portlet.adapter.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:77)
    at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:151)
    at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:151)
    at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:109)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
    ... 71 more
    I have created the .portal file and i have included the instance of the .portlet file in the portal page. When i run .portal file on the server it will throw the below exception.
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    12, 2010 9:57:05 AM com.sun.faces.lifecycle.Phase doPhase
    SEVERE: JSF1054: (Phase ID: RENDER_RESPONSE 6, View ID: /login.jspx) Exception thrown during phase execution: javax.faces.event.PhaseEvent[source=com.sun.faces.lifecycle.LifecycleImpl@18fddac]
    <Error> <netuix> <BEA-423405> <An exception [java.lang.NullPointerException] was thrown while rendering the content at [login.jspx].
    javax.faces.FacesException: java.lang.NullPointerException
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:128)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at com.bea.portlet.adapter.faces.FacesContentStubImpl.render(FacesContentStubImpl.java:354)
    at com.bea.netuix.servlets.controls.content.FacesContent.beginRender(FacesContent.java:424)
    at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:485)
    Truncated. see log file for complete stacktrace
    Caused By: java.lang.NullPointerException
    at com.sun.faces.renderkit.RenderKitImpl.createResponseWriter(RenderKitImpl.java:188)
    at com.icesoft.faces.renderkit.D2DRenderKit.createResponseWriter(D2DRenderKit.java:87)
    at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:194)
    at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)
    at org.apache.myfaces.portlet.faces.application.PortletViewHandlerImpl.renderView(PortletViewHandlerImpl.java:257)
    Truncated. see log file for complete stacktrace
    >
    <Error> <netuix> <BEA-423137> <There was an error loading the requested URI /login.jspx.>
    Login Error opening /login.jspx.
    The source of this error is:
    javax.faces.FacesException: java.lang.NullPointerException
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:128)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at com.bea.portlet.adapter.faces.FacesContentStubImpl.render(FacesContentStubImpl.java:354)
    at com.bea.netuix.servlets.controls.content.FacesContent.beginRender(FacesContent.java:424)
    at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:485)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:399)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:361)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:352)
    at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:326)
    at com.bea.netuix.nf.UIControl.render(UIControl.java:582)
    at com.bea.netuix.servlets.controls.PresentationContext.render(PresentationContext.java:488)
    at com.bea.netuix.servlets.util.RenderToolkit.renderChild(RenderToolkit.java:152)
    at com.bea.netuix.servlets.jsp.taglib.skeleton.Child.doTag(Child.java:63)
    at jsp_servlet._framework._skeletons._bighorn.__flowlayout._jspService(__flowlayout.java:175)
    at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
    at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
    at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
    at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(ServletStubImpl.java:408)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:318)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
    at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:502)
    at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:429)
    at com.bea.netuix.servlets.controls.application.laf.JspTools.renderJsp(JspTools.java:148)
    at com.bea.netuix.servlets.controls.application.laf.JspControlRenderer.beginRender(JspControlRenderer.java:72)
    at com.bea.netuix.servlets.controls.application.laf.PresentationControlRenderer.beginRender(PresentationControlRenderer.java:65)
    at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:481)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:529)
    at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:220)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:399)
    at com.bea.netuix.nf.Lifecycle.processLifecycles(Lifecycle.java:361)
    at com.bea.netuix.nf.Lifecycle.runOutbound(Lifecycle.java:208)
    at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:168)
    at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:465)
    at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:291)
    at com.bea.netuix.servlets.manager.UIServlet.doGet(UIServlet.java:231)
    at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:216)
    at com.bea.netuix.servlets.manager.SingleFileServlet.service(SingleFileServlet.java:275)
    at com.bea.netuix.servlets.manager.PortalServlet.service(PortalServlet.java:719)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
    at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
    at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
    at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
    at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    at com.bea.p13n.servlets.PortalServletFilter.doFilter(PortalServletFilter.java:336)
    at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
    at com.bea.content.manager.servlets.ContentServletFilter.doFilter(ContentServletFilter.java:178)
    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.run(WebAppServletContext.java:3592)
    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:2202)
    at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2108)
    at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1432)
    at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
    at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
    Caused by: java.lang.NullPointerException
    at com.sun.faces.renderkit.RenderKitImpl.createResponseWriter(RenderKitImpl.java:188)
    at com.icesoft.faces.renderkit.D2DRenderKit.createResponseWriter(D2DRenderKit.java:87)
    at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:194)
    at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:189)
    at org.apache.myfaces.portlet.faces.application.PortletViewHandlerImpl.renderView(PortletViewHandlerImpl.java:257)
    at com.bea.portlet.adapter.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:77)
    at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:151)
    at com.icesoft.faces.application.D2DViewHandler.renderView(D2DViewHandler.java:151)
    at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:109)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
    ... 71 more
    Thanks in advance.

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    1.5. Whitepaper Structure ....................................................... 10
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    4.1. JSF Library Modules in WebLogic Server ........................ 24
    4.2. Installing the JSF Libraries into a Portal Web Project ....... 25
    4.3. JSF Configuration Settings............................................... 27
    4.4. Configuring JSF 1.2 ......................................................... 29
    4.5. Building an Unsupported JSF Implementation Library Module 31
    4.6. Faces Configuration is Web Application Scoped.............. 31
    5. Navigation within a JSF Portlet Chapter................................... 33
    5.1. Navigating within a Portlet with the JSF Controller ........... 33
    5.2. Redirects.......................................................................... 34
    6. Namespacing Chapter ............................................................. 35
    6.1. Namespacing Managed Bean Names.............................. 35
    6.2. Client ID Namespacing with the View and Subview Components 35
    6.3. Client ID Namespacing with the WLP NamingContainer .. 36
    7. Logging, Iterative Development, and Debugging Chapter ........ 39
    7.1. Logging............................................................................ 39
    7.2. Iterative Development ...................................................... 39
    7.3. Debugging ....................................................................... 40
    8. Custom JavaScript Chapter ..................................................... 42
    8.1. DOM Manipulation within a JSF ....................................... 42
    8.2. Form Validation within a JSF Portlet ................................ 45
    9. Preparing JSF Portlets for Production Chapter ........................ 46
    9.1. Configuration.................................................................... 46
    9.2. Performance and Scalability............................................. 47
    9.3. Security............................................................................ 49
    9.4. Localization...................................................................... 50
    Part 2: Interacting with the Portal Environment
    10. Native Bridge Architecture Chapter ...................................... 54
    10.1. Container Architecture Overview.................................. 54
    10.2. Container Architecture.................................................. 54
    10.3. Container Interactions .................................................. 55
    11. Interportlet Communication Chapter .................................... 56
    11.1. Using Session and Request Attributes for IPC (Anti-pattern) 56
    11.2. Using the WLP Event Facility for IPC with JSF Portlets 56
    11.3. Notifications ................................................................. 60
    11.4. Comparison of the IPC Approaches ............................. 60
    12. Scopes Chapter ................................................................... 62
    12.1. Conceptual Scopes for Standard JSF Applications ...... 62
    12.2. Conceptual Scopes for Portal Applications................... 63
    12.3. Implementation Patterns for Portal Scopes .................. 63
    13. State Sharing Patterns Chapter ........................................... 66
    13.1. State Sharing Concepts ............................................... 66
    13.2. HttpSession Versus HttpServletRequest ...................... 66
    13.3. Base Code for HttpSession Patterns ............................ 67
    13.4. Single Portlet Pattern ................................................... 68
    13.5. Multiple Portlet Patterns ............................................... 69
    14. Rendering Lifecycles Chapter .............................................. 77
    14.1. WLP and JSF Lifecycles .............................................. 77
    14.2. Invocation Order of WLP and JSF Lifecycle Methods... 77
    14.3. Accessing WLP Context Objects from JSF Managed Beans 78
    15. Portal Navigation Chapter .................................................... 80
    15.1. Programmatically Constructing JSF Portlet URLs ........ 80
    15.2. Changing the Active Portal Page.................................. 80
    15.3. Redirects within a Portal............................................... 83
    16. Ajax Enablement Chapter .................................................... 85
    16.1. Ajax in JSF Portlets...................................................... 85
    16.2. Partial Page Rendering Pattern.................................... 85
    16.3. Stateless API Request Pattern ..................................... 86
    16.4. Portlet Aware API Request Pattern .............................. 87
    16.5. Controlling the WLP Ajax Framework........................... 91
    17. Additional WLP Features Chapter........................................ 93
    17.2. Portlet Container Features ........................................... 93
    17.3. Portal Container Features ............................................ 98
    18. Example: Implementing a Login Portlet Chapter .................. 99
    18.1. Login Portlet Motivation................................................ 99
    18.2. Login Portlet Design..................................................... 99
    18.3. Login Portlet Implementation...................................... 101
    Part 3: Integrating Third Party Libraries
    19. Integration Overview Chapter............................................. 111
    19.1. Types of Libraries....................................................... 111
    19.2. Roadmap for MyFaces Trinidad and ADF Faces Rich Client 111
    20. Using the Facelets View Technology Chapter.................... 113
    20.1. Introduction to Facelets .............................................. 113
    20.2. Configuring Facelets Support ..................................... 113
    21. Using the Apache MyFaces Tomahawk Component Library Chapter 115
    21.1. What is Apache MyFaces Tomahawk? ...................... 115
    21.2. Support for Tomahawk in WLP................................... 115
    21.3. Tomahawk Component List........................................ 116
    21.4. Installing and Configuring Tomahawk......................... 119
    21.5. Resolving the Duplicate ID Issue................................ 120
    21.6. Referring to Resources .............................................. 120
    21.7. forceId Attribute.......................................................... 124
    21.8. File Upload................................................................. 125
    22. Using the Apache Beehive Navigation Controller Chapter . 126
    22.1. Apache Beehive Page Flow ....................................... 126
    22.2. JSF and Page Flows .................................................. 126
    22.3. Configuring the JSF Integration with Page Flows ....... 127
    Appendices
    23. Appendix 1: Consolidated List of Best Practices ................ 130
    24. Appendix 2: Known Issues and Workarounds.................... 132
    24.1. CR383659, CR383662 Inconsistent failures with JSF portlets 132
    24.2. CR342124: IllegalStateException due to duplicate client-id 132
    24.3. CR384916: IllegalStateException due to duplicate client-id when using certain components such as Tomahawk and Trinidad...... 133
    24.4. CR361477 Problems with the integration of JSF portlets with Apache Beehive Page Flows.................................................................. 133
    24.5. CR377945 JSF 1.2 suffers from a memory leak during iterative development .............................................................................. 134
    25. Appendix 3: The JSFPortletHelper Class ........................... 135
    26. Appendix 4: The CleanupPhaseListener Class .................. 147

    Hi Peter!
    First, I wish to thank you for the great work.
    We followed your whitepaper and managed to deploy a JSF portlet on WLS.
    But we are not able to register it (consume it) as remote portlet in Oracle Portal 10.1.4. The error log is as follows:
    An error occurred while trying to refresh the provider. (WWC-43190)
    An error occurred during the call to the WSRP Provider:
    java.rmi.RemoteException: serialization error: serialization error:
    unexpected null value for literal data; nested exception is:
    serialization error: serialization error: unexpected null value for literal data
    com.sun.xml.rpc.encoding.SerializationException: serialization error:
    serialization error: unexpected null value for literal data
    com.sun.xml.rpc.encoding.SerializationException: serialization error:
    unexpected null value for literal data
    Java stack trace from root exception:
    unexpected null value for literal data
    at
    oracle.webdb.wsrp.RegistrationContext_LiteralSerializer.doSerialize(RegistrationContext_LiteralSerializer.java:107)
    at
    com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.internalSerialize(LiteralObjectSerializerBase.java:119)
    at
    com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.serialize(LiteralObjectSerializerBase.java:70)
    at
    oracle.webdb.wsrp.GetServiceDescription_LiteralSerializer.doSerialize(GetServiceDescription_LiteralSerializer.java:88)
    at
    com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.internalSerialize(LiteralObjectSerializerBase.java:119)
    at
    com.sun.xml.rpc.encoding.literal.LiteralObjectSerializerBase.serialize(LiteralObjectSerializerBase.java:70)
    at
    com.sun.xml.rpc.client.StreamingSender._writeRequest(StreamingSender.java:473)
    at com.sun.xml.rpc.client.StreamingSender._send(StreamingSender.java:62)
    at
    oracle.webdb.wsrp.WSRP_v1_ServiceDescription_PortType_Stub.getServiceDescription(WSRP_v1_ServiceDescription_PortType_Stub.java:63)
    at
    oracle.webdb.wsrp.client.design.v1.OraWSRP_v1_ServiceDescription_PortType.getServiceDescription(Unknown
    Source)Do you have any idea why this happens? Or you can provide some useful links to WLP -Oracle Portal federation?
    Thank you and best regards,
    PaKo

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