I attached a copy of the stack trace in file format for easier viewing. <br><br><div class="gmail_quote">On Thu, Jan 7, 2010 at 1:06 PM, eshvar60 <span dir="ltr">&lt;<a href="mailto:eshvar60@gmail.com">eshvar60@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<p>
Hello all,
</p><p></p>
<p>
 I am currently working on extending/customizing the drools-eclipse project for my company and I having some trouble getting the drools eclipse Guided Rule Editor working inside my project. I have set my project to open a .brl file using org.drools.eclipse.rulebuilder.editors.RuleEditor. When I open this file inside my project I receive the following error which I have been unable to decode:
</p>
<blockquote> 
<p>
org.eclipse.core.runtime.AssertionFailedException: assertion failed: 
	at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
	at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96)
	at org.eclipse.jface.text.source.AnnotationModel.disconnect(AnnotationModel.java:542)
	at org.eclipse.jface.text.source.AnnotationModel.removeAnnotationModel(AnnotationModel.java:986)
	at org.eclipse.jface.text.source.SourceViewer.disposeVisualAnnotationModel(SourceViewer.java:527)
	at org.eclipse.jface.text.source.SourceViewer.handleDispose(SourceViewer.java:669)
	at org.eclipse.jface.text.source.projection.ProjectionViewer.handleDispose(ProjectionViewer.java:1362)
	at org.eclipse.jface.text.TextViewer$2.widgetDisposed(TextViewer.java:1788)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:117)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1200)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1185)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1025)
	at org.eclipse.swt.custom.StyledText.handleDispose(StyledText.java:5712)
	at org.eclipse.swt.custom.StyledText$7.handleEvent(StyledText.java:5540)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1200)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1181)
	at org.eclipse.swt.widgets.Widget.release(Widget.java:1044)
	at org.eclipse.swt.widgets.Control.release(Control.java:3293)
	at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1185)
	at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:211)
	at org.eclipse.swt.widgets.Widget.release(Widget.java:1047)
	at org.eclipse.swt.widgets.Control.release(Control.java:3293)
	at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1185)
	at org.eclipse.swt.widgets.Widget.release(Widget.java:1047)
	at org.eclipse.swt.widgets.Control.release(Control.java:3293)
	at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1185)
	at org.eclipse.swt.widgets.Widget.release(Widget.java:1047)
	at org.eclipse.swt.widgets.Control.release(Control.java:3293)
	at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1185)
	at org.eclipse.swt.widgets.Widget.release(Widget.java:1047)
	at org.eclipse.swt.widgets.Control.release(Control.java:3293)
	at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1185)
	at org.eclipse.swt.widgets.Widget.release(Widget.java:1047)
	at org.eclipse.swt.widgets.Control.release(Control.java:3293)
	at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1185)
	at org.eclipse.swt.widgets.Widget.release(Widget.java:1047)
	at org.eclipse.swt.widgets.Control.release(Control.java:3293)
	at org.eclipse.swt.widgets.Widget.dispose(Widget.java:446)
	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:687)
	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:462)
	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313)
	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
	at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
	at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
	at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
	at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1608)
	at org.eclipse.ui.internal.PartStack.add(PartStack.java:499)
	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103)
	at org.eclipse.ui.internal.PartStack.add(PartStack.java:485)
	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112)
	at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63)
	at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:225)
	at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:213)
	at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:778)
	at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:677)
	at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:638)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2854)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2762)
	at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2754)
	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2705)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2701)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2685)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2668)
	at org.eclipse.ui.ide.IDE.openEditorOnFileStore(IDE.java:1151)
	at es.gmv.flexplan.rules.editor.utils.RulesUtils.openRulesFilesInIDE(RulesUtils.java:186)
	at es.gmv.flexplan.rules.editor.views.RulesRepositoryListener.doubleClick(RulesRepositoryListener.java:146)
	at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:821)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.runtime.Platform.run(Platform.java:888)
	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.fireDoubleClick(StructuredViewer.java:819)
	at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1419)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1195)
	at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238)
	at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at es.gmv.flexplan.rules.editor.RulesEditorApp.start(RulesEditorApp.java:39)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
	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:368)
	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:559)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1287)
</p>
<p>
!ENTRY org.eclipse.ui 4 0 2010-01-07 11:46:53.466
<b>!MESSAGE Unable to create editor ID i: assertion failed: </b>
!STACK 0
org.eclipse.core.runtime.AssertionFailedException: assertion failed: 
	at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
	at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96)
	at org.eclipse.jface.text.source.AnnotationModel.connect(AnnotationModel.java:498)
	at org.eclipse.jface.text.source.AnnotationModel.connect(AnnotationModel.java:519)
	at org.eclipse.jface.text.source.SourceViewer.setDocument(SourceViewer.java:541)
	at org.eclipse.jface.text.source.projection.ProjectionViewer.setDocument(ProjectionViewer.java:375)
	at org.eclipse.jface.text.source.SourceViewer.setDocument(SourceViewer.java:500)
	at org.eclipse.ui.texteditor.AbstractTextEditor.initializeSourceViewer(AbstractTextEditor.java:3951)
	at org.eclipse.ui.texteditor.AbstractTextEditor.createPartControl(AbstractTextEditor.java:3466)
	at org.eclipse.ui.texteditor.StatusTextEditor.createPartControl(StatusTextEditor.java:53)
	at org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.createPartControl(AbstractDecoratedTextEditor.java:427)
	at org.drools.eclipse.editors.AbstractRuleEditor.createPartControl(Unknown Source)
	at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:242)
	at org.eclipse.ui.forms.editor.FormEditor.addPage(FormEditor.java:319)
	at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:212)
	at org.eclipse.ui.forms.editor.FormEditor.addPage(FormEditor.java:302)
	at org.drools.eclipse.rulebuilder.editors.RuleEditor.addPages(Unknown Source)
	at org.eclipse.ui.forms.editor.FormEditor.createPages(FormEditor.java:138)
	at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:357)
	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:662)
	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:462)
	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313)
	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
	at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
	at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
	at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
	at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1608)
	at org.eclipse.ui.internal.PartStack.add(PartStack.java:499)
	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103)
	at org.eclipse.ui.internal.PartStack.add(PartStack.java:485)
	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112)
	at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63)
	at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:225)
	at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:213)
	at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:778)
	at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:677)
	at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:638)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2854)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2762)
	at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2754)
	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2705)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2701)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2685)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2668)
	at org.eclipse.ui.ide.IDE.openEditorOnFileStore(IDE.java:1151)
	at es.gmv.flexplan.rules.editor.utils.RulesUtils.openRulesFilesInIDE(RulesUtils.java:186)
	at es.gmv.flexplan.rules.editor.views.RulesRepositoryListener.doubleClick(RulesRepositoryListener.java:146)
	at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:821)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.runtime.Platform.run(Platform.java:888)
	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.fireDoubleClick(StructuredViewer.java:819)
	at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1419)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1195)
	at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238)
	at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at es.gmv.flexplan.rules.editor.RulesEditorApp.start(RulesEditorApp.java:39)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
	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:368)
	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:559)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1287)
</p>
</blockquote>

<p>
I have also attached my plug-in.xml and Manifest.MF files.
</p><p><a href="http://n3.nabble.com/file/n112549/plug-in.xml" target="_blank">plug-in.xml</a></p>
<p><a href="http://n3.nabble.com/file/n112549/Manifest.MF" target="_blank">Manifest.MF</a></p>
I will keep trying to make this work but if anyone has any ideas or has any experience with developing this plug-in please let me know! Even a small hint at what this could be would be great :)

Thanks everyone!

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<br></blockquote></div><br>