Hi,
I had to downgrade my Fusion Web Application from jdev 11.1.2.4.0 to jdev 11.1.1.6.0 and i am getting some errors when trying to call a tf.
So, I have a TF that looks like this:
When I want to navigate to newTF, from a button whose action is set to "nou" then the error below is thrown.

<DataControlFactoryImpl> <createSession> Exception:
java.lang.ClassNotFoundException: oracle.adf.model.adapter.bean.BeanDCDefinition
at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:297)
at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:270)
at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:64)
at java.lang.ClassLoader.loadClass(ClassLoader.java:305)
at java.lang.ClassLoader.loadClass(ClassLoader.java:246)
at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:179)
at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:43)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at oracle.jbo.common.java2.JDK2ClassLoader.loadClassForName(JDK2ClassLoader.java:34)
at oracle.jbo.common.JBOClass.forName(JBOClass.java:174)
at oracle.adf.model.adapter.DataControlFactoryImpl.createSession(DataControlFactoryImpl.java:183)
at oracle.adf.model.binding.DCDataControlReference.getDataControl(DCDataControlReference.java:167)
at oracle.adf.model.BindingContext.instantiateDataControl(BindingContext.java:1056)
at oracle.adf.model.dcframe.DataControlFrameImpl.doFindDataControl(DataControlFrameImpl.java:1566)
at oracle.adf.model.dcframe.DataControlFrameImpl.internalFindDataControl(DataControlFrameImpl.java:1438)
at oracle.adf.model.dcframe.DataControlFrameImpl.findDataControl(DataControlFrameImpl.java:1398)
at oracle.adf.model.BindingContext.internalFindDataControl(BindingContext.java:1189)
at oracle.adf.model.BindingContext.get(BindingContext.java:1139)
at oracle.adf.model.binding.DCParameter.evaluateValue(DCParameter.java:82)
at oracle.adf.model.binding.DCParameter.getValue(DCParameter.java:111)
at oracle.adf.model.binding.DCBindingContainer.getChildByName(DCBindingContainer.java:2713)
at oracle.adf.model.binding.DCBindingContainer.internalGet(DCBindingContainer.java:2761)
at oracle.adf.model.binding.DCExecutableBinding.get(DCExecutableBinding.java:115)
at oracle.adf.model.binding.DCUtil.findSpelObject(DCUtil.java:304)
at oracle.adf.model.binding.DCBindingContainer.evaluateParameterWithElCheck(DCBindingContainer.java:1458)
at oracle.adf.model.binding.DCBindingContainer.findDataControl(DCBindingContainer.java:1588)
at oracle.jbo.uicli.binding.JUMethodIteratorDef$JUMethodIteratorBinding.initDataControl(JUMethodIteratorDef.java:589)
at oracle.adf.model.binding.DCIteratorBinding.getDataControl(DCIteratorBinding.java:2416)
at oracle.adf.model.binding.DCIteratorBinding.getSortCriteria(DCIteratorBinding.java:3808)
at oracle.adf.model.binding.DCInvokeMethod.setAssociatedIteratorBinding(DCInvokeMethod.java:955)
at oracle.adf.model.binding.DCIteratorBinding.cacheRefOnOperation(DCIteratorBinding.java:5324)
at oracle.jbo.uicli.binding.JUMethodIteratorDef$JUMethodIteratorBinding.getActionBinding(JUMethodIteratorDef.java:283)
at oracle.jbo.uicli.binding.JUMethodIteratorDef.isRefreshable(JUMethodIteratorDef.java:59)
at oracle.adf.model.binding.DCExecutableBindingDef.isRefreshable(DCExecutableBindingDef.java:274)
at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3036)
at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2876)
at oracle.adf.controller.internal.binding.TaskFlowRegionController.doRegionRefresh(TaskFlowRegionController.java:270)
at oracle.adf.controller.internal.binding.TaskFlowRegionController.refreshRegion(TaskFlowRegionController.java:119)
at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3204)
at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2876)
at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareRender(PageLifecycleImpl.java:561)
at oracle.adf.controller.faces.lifecycle.FacesPageLifecycle.prepareRender(FacesPageLifecycle.java:82)
at oracle.adf.controller.v2.lifecycle.Lifecycle$9.execute(Lifecycle.java:224)
at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:197)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$1000(ADFPhaseListener.java:23)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$5.before(ADFPhaseListener.java:402)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.beforePhase(ADFPhaseListener.java:64)
at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.beforePhase(ADFLifecyclePhaseListener.java:44)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.\_executePhase(LifecycleImpl.java:352)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:222)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
at weblogic.servlet.internal.StubSecurityHelper$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:205)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$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.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
<LifecycleImpl> <_handleException> ADF_FACES-60098:Faces lifecycle receives unhandled exceptions in phase RENDER_RESPONSE 6
java.lang.NullPointerException
at oracle.adf.model.binding.DCIteratorBinding.getSortCriteria(DCIteratorBinding.java:3808)
at oracle.adf.model.binding.DCInvokeMethod.setAssociatedIteratorBinding(DCInvokeMethod.java:955)
at oracle.adf.model.binding.DCIteratorBinding.cacheRefOnOperation(DCIteratorBinding.java:5324)
at oracle.jbo.uicli.binding.JUMethodIteratorDef$JUMethodIteratorBinding.getActionBinding(JUMethodIteratorDef.java:283)
at oracle.jbo.uicli.binding.JUMethodIteratorDef.isRefreshable(JUMethodIteratorDef.java:59)
at oracle.adf.model.binding.DCExecutableBindingDef.isRefreshable(DCExecutableBindingDef.java:274)
at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3036)
at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2876)
at oracle.adf.controller.internal.binding.TaskFlowRegionController.doRegionRefresh(TaskFlowRegionController.java:270)
at oracle.adf.controller.internal.binding.TaskFlowRegionController.refreshRegion(TaskFlowRegionController.java:119)
at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3204)
at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2876)
at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareRender(PageLifecycleImpl.java:561)
at oracle.adf.controller.faces.lifecycle.FacesPageLifecycle.prepareRender(FacesPageLifecycle.java:82)
at oracle.adf.controller.v2.lifecycle.Lifecycle$9.execute(Lifecycle.java:224)
at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:197)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$1000(ADFPhaseListener.java:23)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$5.before(ADFPhaseListener.java:402)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.beforePhase(ADFPhaseListener.java:64)
at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.beforePhase(ADFLifecyclePhaseListener.java:44)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.\_executePhase(LifecycleImpl.java:352)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:222)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
at weblogic.servlet.internal.StubSecurityHelper$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:205)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$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.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
<XmlErrorHandler> <handleError> ADF_FACES-60096:Server Exception during PPR, #1
java.lang.NullPointerException
at oracle.adf.model.binding.DCIteratorBinding.getSortCriteria(DCIteratorBinding.java:3808)
at oracle.adf.model.binding.DCInvokeMethod.setAssociatedIteratorBinding(DCInvokeMethod.java:955)
at oracle.adf.model.binding.DCIteratorBinding.cacheRefOnOperation(DCIteratorBinding.java:5324)
at oracle.jbo.uicli.binding.JUMethodIteratorDef$JUMethodIteratorBinding.getActionBinding(JUMethodIteratorDef.java:283)
at oracle.jbo.uicli.binding.JUMethodIteratorDef.isRefreshable(JUMethodIteratorDef.java:59)
at oracle.adf.model.binding.DCExecutableBindingDef.isRefreshable(DCExecutableBindingDef.java:274)
at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3036)
at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2876)
at oracle.adf.controller.internal.binding.TaskFlowRegionController.doRegionRefresh(TaskFlowRegionController.java:270)
at oracle.adf.controller.internal.binding.TaskFlowRegionController.refreshRegion(TaskFlowRegionController.java:119)
at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3204)
at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2876)
at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareRender(PageLifecycleImpl.java:561)
at oracle.adf.controller.faces.lifecycle.FacesPageLifecycle.prepareRender(FacesPageLifecycle.java:82)
at oracle.adf.controller.v2.lifecycle.Lifecycle$9.execute(Lifecycle.java:224)
at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:197)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$1000(ADFPhaseListener.java:23)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$5.before(ADFPhaseListener.java:402)
at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.beforePhase(ADFPhaseListener.java:64)
at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.beforePhase(ADFLifecyclePhaseListener.java:44)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.\_executePhase(LifecycleImpl.java:352)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:222)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
at weblogic.servlet.internal.StubSecurityHelper$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:205)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:446)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$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.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:179)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
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:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Could you be tell me how I can overcome this issue?
Thanl you