Hi All,
m using jdev version 12.2.1.2.0
m getting the exception as view object of type view definition not found even if the ViewObject is present in the path and in AM too.

In AM:

oracle.jbo.NoDefException: JBO-25002: Definition ctravel.model.AirTravelBillings.ViewObjects.AirInvItemVO of type View Definition is not found.
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:1151)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:1032)
at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:1014)
at oracle.jbo.server.MetaObjectManager.findMetaObject(MetaObjectManager.java:929)
at oracle.jbo.server.ViewDefImpl.findDefObject(ViewDefImpl.java:899)
at oracle.jbo.server.AMViewUsage.createViewObject(AMViewUsage.java:140)
at oracle.jbo.server.ApplicationModuleDefImpl.loadViewObject(ApplicationModuleDefImpl.java:666)
at oracle.jbo.server.ApplicationModuleDefImpl.loadComponents(ApplicationModuleDefImpl.java:929)
at oracle.jbo.server.ApplicationModuleImpl.createRootApplicationModule(ApplicationModuleImpl.java:553)
at oracle.jbo.server.ApplicationModuleHomeImpl.create(ApplicationModuleHomeImpl.java:86)
at oracle.jbo.common.ampool.DefaultConnectionStrategy.createApplicationModule(DefaultConnectionStrategy.java:158)
at oracle.jbo.common.ampool.DefaultConnectionStrategy.createApplicationModule(DefaultConnectionStrategy.java:73)
at oracle.jbo.common.ampool.ApplicationPoolImpl.instantiateResource(ApplicationPoolImpl.java:2880)
at oracle.jbo.pool.ResourcePool.createResource(ResourcePool.java:628)
at oracle.jbo.common.ampool.ApplicationPoolImpl.prepareApplicationModule(ApplicationPoolImpl.java:2439)
at oracle.jbo.common.ampool.ApplicationPoolImpl.doCheckout(ApplicationPoolImpl.java:2299)
at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:3212)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:606)
at oracle.jbo.http.HttpSessionCookieImpl.useApplicationModule(HttpSessionCookieImpl.java:224)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:539)
at oracle.jbo.common.ampool.SessionCookieImpl.useApplicationModule(SessionCookieImpl.java:534)
at oracle.adf.model.bc4j.DCJboDataControl.initializeApplicationModule(DCJboDataControl.java:646)
at oracle.adf.model.bc4j.DCJboDataControl.getApplicationModule(DCJboDataControl.java:1019)
at oracle.adf.model.binding.DCDataControl.setErrorHandler(DCDataControl.java:500)
at oracle.jbo.uicli.binding.JUApplication.setErrorHandler(JUApplication.java:261)
at oracle.adf.model.BindingContext.put(BindingContext.java:1751)
at oracle.adf.model.binding.DCDataControlReference.getDataControl(DCDataControlReference.java:289)
at oracle.adf.model.BindingContext.instantiateDataControl(BindingContext.java:1434)
at oracle.adf.model.dcframe.DataControlFrameImpl.doFindDataControl(DataControlFrameImpl.java:1917)
at oracle.adf.model.dcframe.DataControlFrameImpl.internalFindDataControl(DataControlFrameImpl.java:1779)
at oracle.adf.model.dcframe.DataControlFrameImpl.findDataControl(DataControlFrameImpl.java:1739)
at oracle.adf.model.BindingContext.internalFindDataControl(BindingContext.java:1569)
at oracle.adf.model.BindingContext.get(BindingContext.java:1517)
at oracle.adf.model.binding.DCUtil.findSpelObject(DCUtil.java:341)
at oracle.adf.model.binding.DCBindingContainer.evaluateParameterWithElCheck(DCBindingContainer.java:1563)
at oracle.adf.model.binding.DCBindingContainer.findDataControl(DCBindingContainer.java:1669)
at oracle.jbo.uicli.binding.JUCtrlActionBinding.internalGetDataControl(JUCtrlActionBinding.java:605)
at oracle.jbo.uicli.binding.JUCtrlActionBinding.getDataControl(JUCtrlActionBinding.java:666)
at oracle.jbo.uicli.binding.JUCtrlActionBinding.internalCheckPermission(JUCtrlActionBinding.java:2159)
at oracle.jbo.uicli.binding.JUCtrlActionBinding.invoke(JUCtrlActionBinding.java:798)
at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.executeEvent(PageLifecycleImpl.java:414)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlActionBinding._execute(FacesCtrlActionBinding.java:254)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlActionBinding.execute(FacesCtrlActionBinding.java:212)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:181)
at com.sun.el.parser.AstValue.invoke(AstValue.java:289)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
at oracle.adf.controller.internal.util.ELInterfaceImpl.invokeMethod(ELInterfaceImpl.java:170)
at oracle.adfinternal.controller.activity.MethodCallActivityLogic.execute(MethodCallActivityLogic.java:190)
at oracle.adfinternal.controller.engine.ControlFlowEngine.executeActivity(ControlFlowEngine.java:1235)
at oracle.adfinternal.controller.engine.ControlFlowEngine.doRouting(ControlFlowEngine.java:1079)
at oracle.adfinternal.controller.engine.ControlFlowEngine.doRouting(ControlFlowEngine.java:970)
at oracle.adfinternal.controller.engine.ControlFlowEngine.invokeTaskFlow(ControlFlowEngine.java:248)
at oracle.adfinternal.controller.state.ChildViewPortContextImpl.invokeTaskFlow(ChildViewPortContextImpl.java:110)
at oracle.adfinternal.controller.state.ControllerState.createChildViewPort(ControllerState.java:1577)
at oracle.adfinternal.controller.ControllerContextImpl.createChildViewPort(ControllerContextImpl.java:105)
at oracle.adf.controller.internal.binding.TaskFlowRegionModelViewPort.createRegionViewPortContext(TaskFlowRegionModelViewPort.java:886)
at oracle.adf.controller.internal.binding.TaskFlowRegionModelViewPort.getViewPort(TaskFlowRegionModelViewPort.java:674)
at oracle.adf.controller.internal.binding.TaskFlowRegionModelViewPort.doProcessBeginRegion(TaskFlowRegionModelViewPort.java:242)
at oracle.adf.controller.internal.binding.TaskFlowRegionModelViewPort.processBeginRegion(TaskFlowRegionModelViewPort.java:162)
at oracle.adf.controller.internal.binding.TaskFlowRegionModelLocal.processBeginRegion(TaskFlowRegionModelLocal.java:12)
at oracle.adf.view.rich.component.fragment.UIXRegion$RegionContextChange.doChangeImpl(UIXRegion.java:1565)
at oracle.adf.view.rich.context.DoableContextChange.doChange(DoableContextChange.java:91)
at oracle.adf.view.rich.component.fragment.UIXRegion._beginInterruptibleRegion(UIXRegion.java:816)
at oracle.adf.view.rich.component.fragment.UIXRegion.processRegion(UIXRegion.java:346)
at oracle.adfinternal.view.faces.taglib.region.AbstractRegionTag.doStartTag(AbstractRegionTag.java:76)
at oracle.adfinternal.view.faces.taglib.region.RegionTag.doStartTag(RegionTag.java:92)
at oracle.jsp.runtime.tree.OracleJspBodyTagNode.executeHandler(OracleJspBodyTagNode.java:50)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspClassicTagNode.evalBody(OracleJspClassicTagNode.java:87)
at oracle.jsp.runtime.tree.OracleJspBodyTagNode.executeHandler(OracleJspBodyTagNode.java:58)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspClassicTagNode.evalBody(OracleJspClassicTagNode.java:87)
at oracle.jsp.runtime.tree.OracleJspBodyTagNode.executeHandler(OracleJspBodyTagNode.java:58)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspClassicTagNode.evalBody(OracleJspClassicTagNode.java:87)
at oracle.jsp.runtime.tree.OracleJspBodyTagNode.executeHandler(OracleJspBodyTagNode.java:58)
at oracle.jsp.runtime.tree.OracleJspCustomTagNode.execute(OracleJspCustomTagNode.java:263)
at oracle.jsp.runtime.tree.OracleJspNode.execute(OracleJspNode.java:89)
at oracle.jsp.runtimev2.ShortCutServlet._jspService(ShortCutServlet.java:89)
at oracle.jsp.runtime.OracleJspBase.service(OracleJspBase.java:29)
at oracle.jsp.runtimev2.JspPageTable.compileAndServe(JspPageTable.java:666)
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:388)
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:845)
at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:286)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:260)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:137)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:350)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:169)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:141)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:650)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:124)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:232)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:94)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:626)
at weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:282)
at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:643)
at javax.faces.context.ExternalContextWrapper.dispatch(ExternalContextWrapper.java:96)
at javax.faces.context.ExternalContextWrapper.dispatch(ExternalContextWrapper.java:96)
at javax.faces.context.ExternalContextWrapper.dispatch(ExternalContextWrapper.java:96)
at oracle.adfinternal.view.faces.config.rich.RecordRequestAttributesDuringDispatch.dispatch(RecordRequestAttributesDuringDispatch.java:44)
at javax.faces.context.ExternalContextWrapper.dispatch(ExternalContextWrapper.java:96)
at javax.faces.context.ExternalContextWrapper.dispatch(ExternalContextWrapper.java:96)
at org.apache.myfaces.trinidadinternal.context.FacesContextFactoryImpl$OverrideDispatch.dispatch(FacesContextFactoryImpl.java:167)
at com.sun.faces.application.view.JspViewHandlingStrategy.executePageToBuildView(JspViewHandlingStrategy.java:363)
at com.sun.faces.application.view.JspViewHandlingStrategy.buildView(JspViewHandlingStrategy.java:153)
at org.apache.myfaces.trinidad.view.ViewDeclarationLanguageWrapper.buildView(ViewDeclarationLanguageWrapper.java:94)
at org.apache.myfaces.trinidad.view.ViewDeclarationLanguageWrapper.buildView(ViewDeclarationLanguageWrapper.java:94)
at org.apache.myfaces.trinidadinternal.application.ViewDeclarationLanguageFactoryImpl$ChangeApplyingVDLWrapper.buildView(ViewDeclarationLanguageFactoryImpl.java:322)
at oracle.adfinternal.view.faces.lifecycle.ResponseRenderManager._processViewDefinitionLanguage(ResponseRenderManager.java:105)
at oracle.adfinternal.view.faces.lifecycle.ResponseRenderManager.runRenderView(ResponseRenderManager.java:41)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:1264)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executeRenderResponse(LifecycleImpl.java:1107)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:348)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:258)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:651)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:286)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:260)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:137)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:350)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:207)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:105)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:529)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:529)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:354)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:232)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:169)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at weblogic.servlet.utils.FastSwapFilter.doFilter(FastSwapFilter.java:64)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:141)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:650)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:124)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:232)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:94)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:248)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:32)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3683)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3649)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:326)
at weblogic.security.service.SecurityManager.runAsForUserCode(SecurityManager.java:197)
at weblogic.servlet.provider.WlsSecurityProvider.runAsForUserCode(WlsSecurityProvider.java:203)
at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:71)
at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2433)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2281)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2259)
at weblogic.servlet.internal.ServletRequestImpl.runInternal(ServletRequestImpl.java:1691)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1651)
at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:270)
at weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:348)
at weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:333)
at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:54)
at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41)
at weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:640)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:406)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:346)
How to solve this error.
Plz Help.