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Extending but still work with 2.0 and 2.1 WAS: Re: [dali-dev] Error opening persistence.xml

Hi guys,

We are in a bit of a squeeze with this issue.
As far as we can see there is no way as an extender that we can have our JPAPlatform work on both Dali 2.0 (included in WTP 3.0.x)
and Dali 2.1.

We are still looking into the specifics on what the problem is and will be back with the details but the problem Luigi saw is that
the UI classes for persistence.xml editing has changed. We also know about the validation changes, but that I think is a less of a problem
since it does not involve inheritance and we can "work around" that by reflection (yuck)

Do you got any input on how we could avoid having to maintain two branches of the code to work on the Dali bundled with Ganymede and
on the newer Dali 2.1.x versions.

/max

Hi Luigi,

The error you see is inside JBoss Tools so you should report it in jira http://jira.jboss.com/jira/browse/JBIDE with steps to repreduce.

/max

Hi,
I've installed Dali ver. 2.1, but creating a new project and configuring it to use Hibernate and Tomcat (see attachments) when I try to open the persistence.xml file I get the error shown below. Using Dali ver. 2.0 everything works fine.
Any ideas/suggestions?
Thank you.
Regards,

Luigi

===============================================
ERROR GENERATED TRYING TO OPEN PERSISTENCE.XML

eclipse.buildId=M20080911-1700
java.version=1.6.0_10
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=it_IT
Command-line arguments:  -os win32 -ws win32 -arch x86


Error
Mon Jan 26 15:18:39 CET 2009
Problems occurred when invoking code from plug-in: "org.eclipse.jface".

java.lang.InstantiationError: org.eclipse.jpt.ui.internal.persistence.details.PersistenceUnitGeneralComposite
        at org.jboss.tools.hibernate.jpt.ui.internal.platform.HibernateUiFactory.createPersistenceUnitComposites(HibernateUiFactory.java:27)
        at org.eclipse.jpt.ui.internal.editors.PersistenceEditor.addPersistenceUnitPages(PersistenceEditor.java:130)
        at org.eclipse.jpt.ui.internal.editors.PersistenceEditor.addPages(PersistenceEditor.java:109)
        at org.eclipse.ui.forms.editor.FormEditor.createPages(FormEditor.java:146)
        at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:310)
        at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661)
        at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:428)
        at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594)
        at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:266)
        at org.eclipse.ui.internal.WorkbenchPage.makeActiveEditor(WorkbenchPage.java:1246)
        at org.eclipse.ui.internal.WorkbenchPage.updateActivePart(WorkbenchPage.java:1204)
        at org.eclipse.ui.internal.WorkbenchPage.partAdded(WorkbenchPage.java:1665)
        at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:210)
        at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:779)
        at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:678)
        at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:639)
        at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2817)
        at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2729)
        at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2721)
        at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2673)
        at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
        at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2668)
        at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2652)
        at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2635)
        at org.eclipse.jpt.ui.internal.actions.OpenJpaResourceAction.openEditor(OpenJpaResourceAction.java:92)
        at org.eclipse.jpt.ui.internal.actions.OpenJpaResourceAction.run(OpenJpaResourceAction.java:73)
        at org.eclipse.ui.actions.RetargetAction.run(RetargetAction.java:221)
        at org.eclipse.ui.internal.navigator.CommonNavigatorManager$3.open(CommonNavigatorManager.java:184)
        at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:820)
        at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
        at org.eclipse.core.runtime.Platform.run(Platform.java:880)
        at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
        at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
        at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:818)
        at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1079)
        at org.eclipse.ui.navigator.CommonViewer.handleOpen(CommonViewer.java:372)
        at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1183)
        at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:263)
        at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:257)
        at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:297)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346)
        at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)
        at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)
        at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
        at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1236)

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