Edit Struts Page Flow : locking JDev 10g

I tried to use the "Edit Struts Page Flow" option for an existing project in JDev 10g.
The "struts-config.xml" is not in web-inf directory (it�s in a directory together with others xml files. In build time it�s placed in the right place in the war file).
If I create a new "struts-config.xml" it works fine.
Thanks in advance.

Just thought I'd provide the following to supplement my previous posting.
Left click on struts-config.xml in the navigator pane. After 5 minutes or so the following stack trace appears in the console window:
java.lang.NullPointerException
at ndOrCreateConfigurationNodeInProject(JUDTNodeObjectFactory.java
:176)
at
oracle.adf.dt.objects.JUDTNodeObjectFactory.findConfigurationNodeInProject(JUDTNodeObjectFactory.java:150)
at
oracle.adf.dt.providers.XcfgDataControlProvider.addControlsToArrayList(XcfgDataControlProvider.java:45)
at oracle.adf.dt.DataControlManager.getAllDataControls(DataControlManager.java:110)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:50)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:35)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:30)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:25)
at oracle.adf.dt.controls.DataControlsTree.createDataControlsTreeModel(DataControlsTree.java:98)
at oracle.adf.dt.controls.ModelCreator.run(DataControlsTree.java:113)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:449)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
If I then right click on struts-config.xml in the navigator pane and select edit struts page flow, a few minutes
later the following stack trace appears in the console window:
java.lang.NullPointerException
at
oracle.adf.dt.objects.JUDTNodeObjectFactory.findOrCreateConfigurationNodeInProject(JUDTNodeObjectFactory.java
:176)
at
oracle.adf.dt.objects.JUDTNodeObjectFactory.findConfigurationNodeInProject(JUDTNodeObjectFactory.java:150)
at
oracle.adf.dt.providers.XcfgDataControlProvider.addControlsToArrayList(XcfgDataControlProvider.java:45)
at oracle.adf.dt.DataControlManager.getAllDataControls(DataControlManager.java:110)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:50)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:35)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:30)
at oracle.adf.dt.controls.treemodel.DataControlsTreeModel.<init>(DataControlsTreeModel.java:25)
at oracle.adf.dt.controls.DataControlsTree.createDataControlsTreeModel(DataControlsTree.java:98)
at oracle.adf.dt.controls.ModelCreator.run(DataControlsTree.java:113)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:449)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:141)
at java.awt.Dialog.show(Dialog.java:538)
at java.awt.Component.show(Component.java:1134)
at java.awt.Component.setVisible(Component.java:1089)
at oracle.bm.util.alert.ErrorDialog.runDialog(ErrorDialog.java:148)
at oracle.bm.util.alert.CWException.showAlertImpl(CWException.java:310)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:224)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:210)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:197)
at oracle.bm.commonIde.util.ValidationDisplay.showException(ValidationDisplay.java:31)
at oracle.adfimpl.struts.registry.RPageNode.createNode(RPageNode.java:243)
at oracle.adfimpl.struts.Diagram.synchAdds(Diagram.java:413)
at oracle.adfimpl.struts.Diagram.refreshDiagram(Diagram.java:257)
at oracle.adfimpl.common.PageFlowDiagramView.onInitialUpdate(PageFlowDiagramView.java:108)
at oracle.bm.diagrammer.PageView.validate(PageView.java:778)
at oracle.bm.diagrammer.PageView.setBounds(PageView.java:808)
at java.awt.CardLayout.layoutContainer(CardLayout.java:364)
at java.awt.Container.layout(Container.java:1017)
at java.awt.Container.doLayout(Container.java:1007)
at java.awt.Container.validateTree(Container.java:1089)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validate(Container.java:1064)
at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:353)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:116)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:449)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:141)
at java.awt.Dialog.show(Dialog.java:538)
at java.awt.Component.show(Component.java:1134)
at java.awt.Component.setVisible(Component.java:1089)
at oracle.bm.util.alert.ErrorDialog.runDialog(ErrorDialog.java:148)
at oracle.bm.util.alert.CWException.showAlertImpl(CWException.java:310)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:224)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:210)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:197)
at oracle.bm.commonIde.util.ValidationDisplay.showException(ValidationDisplay.java:31)
at oracle.adfimpl.struts.registry.RPageNode.createNode(RPageNode.java:243)
at oracle.adfimpl.struts.Diagram.synchAdds(Diagram.java:413)
at oracle.adfimpl.struts.Diagram.refreshDiagram(Diagram.java:257)
at oracle.adfimpl.common.PageFlowDiagramView.onInitialUpdate(PageFlowDiagramView.java:108)
at oracle.bm.diagrammer.PageView.validate(PageView.java:778)
at oracle.bm.diagrammer.PageView.setBounds(PageView.java:808)
at java.awt.CardLayout.layoutContainer(CardLayout.java:364)
at java.awt.Container.layout(Container.java:1017)
at java.awt.Container.doLayout(Container.java:1007)
at java.awt.Container.validateTree(Container.java:1089)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validate(Container.java:1064)
at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:353)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:116)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:449)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:141)
at java.awt.Dialog.show(Dialog.java:538)
at java.awt.Component.show(Component.java:1134)
at java.awt.Component.setVisible(Component.java:1089)
at oracle.bm.util.alert.ErrorDialog.runDialog(ErrorDialog.java:148)
at oracle.bm.util.alert.CWException.showAlertImpl(CWException.java:310)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:224)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:210)
at oracle.bm.util.alert.CWException.showAlert(CWException.java:197)
at oracle.bm.commonIde.util.ValidationDisplay.showException(ValidationDisplay.java:31)
at oracle.adfimpl.struts.registry.RPageNode.createNode(RPageNode.java:243)
at oracle.adfimpl.struts.Diagram.synchAdds(Diagram.java:413)
at oracle.adfimpl.struts.Diagram.refreshDiagram(Diagram.java:257)
at oracle.adfimpl.common.PageFlowDiagramView.onInitialUpdate(PageFlowDiagramView.java:108)
at oracle.bm.diagrammer.PageView.validate(PageView.java:778)
at oracle.bm.diagrammer.PageView.setBounds(PageView.java:808)
at java.awt.CardLayout.layoutContainer(CardLayout.java:364)
at java.awt.Container.layout(Container.java:1017)
at java.awt.Container.doLayout(Container.java:1007)
at java.awt.Container.validateTree(Container.java:1089)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validateTree(Container.java:1096)
at java.awt.Container.validate(Container.java:1064)
at oracle.ideimpl.flateditor.FlatEditorManager.createEditor(FlatEditorManager.java:1203)
at oracle.ideimpl.flateditor.FlatEditorManager.createEditorInFrame(FlatEditorManager.java:1147)
at oracle.ideimpl.flateditor.FlatEditorManager.openEditorInFrame(FlatEditorManager.java:1078)
at oracle.ideimpl.flateditor.FlatEditorManager.openDefaultEditorInFrame(FlatEditorManager.java:1053)
at oracle.adfimpl.struts.StrutsProjectConfigurer.addStrutsDiagram(StrutsProjectConfigurer.java:356)
at oracle.adfimpl.struts.navigator.StrutsMenuListener.showDiagram(StrutsMenuListener.java:220)
at oracle.adfimpl.struts.navigator.StrutsMenuListener.handleEvent(StrutsMenuListener.java:92)
at oracle.ide.IdeAction.performAction(IdeAction.java:812)
at oracle.ide.IdeAction$1.run(IdeAction.java:781)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:449)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
As I'm then left looking at a grey screen and a blank dialogue, my only option at this point is to use Windows' Task manager to terminate JDeveloper.
HTH,
Justin.

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Struts Page Flow Linking - Multiple Projects

Hello all,
I've 2 projects(Project1,Project2) in my workspace(Appliaction1). Each project having it's own struts Pagwe Flow. Each project space represents a particular module of an Appliaction. I would like to know the way to link the struts page flow of all these applications. Say, Project1 is my primary Project space. I want all the remaining page flows to be linked to it. Thanks in Advance.
Regards,
Arun.v

Thanks for the reply... I'm using JDeveloper 10.1.2. Is it the Same for it too. Or do I've to different to achieve Struts page flow linking between page flow belonging to different projects.
Regards,
Arun.V

Workshop CRASHED while editing a page flow

Workshop Gurus -
Any clues on this bug. I get this error while editing pageflow. It just started
happening this morning.
I must say, WLW crashes gracefully. It allows me to report this message directly
to BEA, and then allows me to save my files. However, I do need a resolution to
this problem, hopefully soon.
java.lang.NullPointerException
     at workshop.pageflow.model.ExternalPageFlow.refChanged(ExternalPageFlow.java:120)
     at workshop.pageflow.model.DocumentEventAdapter.processModelObjects(DocumentEventAdapter.java:492)
     at workshop.pageflow.model.DocumentEventAdapter.process(DocumentEventAdapter.java:177)
     at workshop.pageflow.model.DocumentEventAdapter.elementChange(DocumentEventAdapter.java:123)
     at com.bea.ide.element.ElementChangeSupport.fireListeners(ElementChangeSupport.java:253)
     at com.bea.ide.element.ElementChangeSupport.fireElementChange(ElementChangeSupport.java:243)
     at com.bea.ide.element.ElementChangeSupport.fireElementChange(ElementChangeSupport.java:219)
     at com.bea.ide.document.DefaultDocument.fireElementChildRemoved(DefaultDocument.java:482)
     at com.bea.ide.sourceeditor.DefaultSourceDocument.mergeComplete(DefaultSourceDocument.java:523)
     at com.bea.ide.sourceeditor.DefaultSourceDocument.mergeMetadata(DefaultSourceDocument.java:610)
     at workshop.sourceeditor.compiler.CompilerProject$MergeRunner.run(CompilerProject.java:1448)
     at workshop.sourceeditor.compiler.CompilerSvcImpl$TreeMergeLock.runMerger(CompilerSvcImpl.java:161)
     at workshop.sourceeditor.compiler.CompilerProject$4.run(CompilerProject.java:1498)
     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:448)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
Thanks
Kunal Mittal

Raj -
Yes I am using SP2. I have had Workshop crash SEVERAL times when working with
page flows. Some sort of null pointer exception. The only good thing is that workshop
crashes gracefully, so I didn't lose any work that I was doing.
Thanks.
Kunal
"Raj Alagumalai" <[email protected]> wrote:
Kunal,
Can you try using SP2 ?
Thanks,
Raj Alagumalai
Backline Workshop Support
"Kunal Mittal" <[email protected]> wrote in message
news:[email protected]...
Workshop Gurus -
Any clues on this bug. I get this error while editing pageflow. Itjust
started
happening this morning.
I must say, WLW crashes gracefully. It allows me to report this messagedirectly
to BEA, and then allows me to save my files. However, I do need aresolution to
this problem, hopefully soon.
java.lang.NullPointerException
atworkshop.pageflow.model.ExternalPageFlow.refChanged(ExternalPageFlow.java:12
0)
atworkshop.pageflow.model.DocumentEventAdapter.processModelObjects(DocumentEve
ntAdapter.java:492)
atworkshop.pageflow.model.DocumentEventAdapter.process(DocumentEventAdapter.ja
va:177)
atworkshop.pageflow.model.DocumentEventAdapter.elementChange(DocumentEventAdap
ter.java:123)
atcom.bea.ide.element.ElementChangeSupport.fireListeners(ElementChangeSupport.
java:253)
atcom.bea.ide.element.ElementChangeSupport.fireElementChange(ElementChangeSupp
ort.java:243)
atcom.bea.ide.element.ElementChangeSupport.fireElementChange(ElementChangeSupp
ort.java:219)
atcom.bea.ide.document.DefaultDocument.fireElementChildRemoved(DefaultDocument
.java:482)
atcom.bea.ide.sourceeditor.DefaultSourceDocument.mergeComplete(DefaultSourceDo
cument.java:523)
atcom.bea.ide.sourceeditor.DefaultSourceDocument.mergeMetadata(DefaultSourceDo
cument.java:610)
atworkshop.sourceeditor.compiler.CompilerProject$MergeRunner.run(CompilerProje
ct.java:1448)
atworkshop.sourceeditor.compiler.CompilerSvcImpl$TreeMergeLock.runMerger(Compi
lerSvcImpl.java:161)
atworkshop.sourceeditor.compiler.CompilerProject$4.run(CompilerProject.java:14
98)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:448)
atjava.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.ja
va:197)
atjava.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java
:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
Thanks
Kunal Mittal

Struts / Page Flow - forwards to home page in streaming mode

I have a pretty complex page flow with several actions and several forwards. The
page flow is using struts validation (using the xml file). It is also user the
Portal User Controls.
Everything works fine in .portal file. However, in streaming mode, from a jsp
when I click on an netui:anchor, the action gets executed, but then it redirects
to the home page, not to the page which has the portlet.

More info: I can place a page component on my page flow diagram but I cannot place any other components. They won't display. Placing the page component on the diagram does not put code into the source file. Also, I get the following compile error: Error(1,1):<Line 1, Column 1>:XML-20108:(Fatal Error) Start of root element expected.
Thanks!

BUG: struts page flow diagram

This is nice!
A lot of work has been done in struts-config.xml, many data pages, data actions and forwards. Then I closed and opened the project. When I opened the diagram, forwards were messed-up. Hours of work are wasted (well functionality is still there..)
Someone should go to jail for this.
Frustrated developer.

If you're using CVS from with JDeveloper then this may explain the problem. There is potential for the diagram to get out of step with the config even without explicit changes from yourself.
As you may have gathered we manage the diagram through a separate file from the Struts-config.xml - this is so the Struts config stays "pure" and does not have Oracle specific metadata added to it.
However, this does mean that the diagram and the Struts config need to be kept in step, and checked in and out together. The diagram in the 9.0.5 release will get marked as dirty quite often even if there has been no change to the CFG - this is why you see the difference between what JDev says and what CVS feels about the struts-config file.
This is an issue that we know about and have fixed in the 10.1.3 release, so that:
a) The diagram will not be marked as changed unless there has been a real change
b) Checking out / Committing the Struts config through JDeveloper will manage both the config and the diagram automatically and correctly

Validate a ViewRowImpl in Jdev 10g

I'm using Jdev 10g with Business components and the struts page flow, and i would like to know if it's possible to put validation in the validate() method of a row view?
I know that this method exist, but it seems that no call is made to it. The strange thing is that in my struts controller, all my actions have the "Validate" box checked.
I know that the method ValidateEntity exists in every EO, but this method is only call on commit, so it doesn't help me.
Thanks
J�r�me

But, if i want to validate inputs right after the submit (i don't want to wait the commit), is there anything i can do?
Also, i still don't understand why no call are made to the method validate() of the view row. I overload this method like this, and this code is never executed:
public void validate()
System.out.println("validate view row");
super.validate();
}

Java.lang.StackOverflowError on Go To Code in Page Flow Diagram

If I select Go To Code in a Struts Page Flow Diagram with a Data Page, the cursor changes to a hourglass and back to a pointer and nothing else happens. The java window reports a java.lang.StackOverflowError.
Normally, I would expect the create class wizard that helped me to subclass oracle.adf.controller.struts.actions.DataActionMapping, which was the case a few days ago.
Any idea what could be wrong ?

I found the reason myself: If the UIX project has a dependence to a BC4J project Project1 containing the AM Module and Project1 by itself has a dependency to a BC4J project Project2 containing the EO, this error shows up. Simply remove the dependency (Project Properties - Dependencies), and the Page Flow Modeler behaves as expected.
Another detail: Doubleclicking on the Data Page instead of Context Menu - Go To Code opens a window showing BME-99009: An error has occured in the Java VM reporting the same short stack trace java.lang.StackoverflowError.

Edit Struts Page Flow : locking JDev 10g

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