[rules-users] Internal error in Drools Plugin

Mon Nov 1 20:32:48 EDT 2010

Check your java compiler settings on your eclipse project and make sure 
the compliance level is 1.5 or 1.6.

On 11/1/10 6:35 PM, marc.schneiderman wrote:
> Environment
> -----------------
> Windows 7 64bit
> Java 1.6 JRE
> Eclipse SDK 3.5.2
> GEF 3.5.2
> Drools 5.1 GA Eclipse Workbench
>
>
> When importing a very simple drools project ( a personal implementation of
> the classic fibonacci problem), which had worked fine without any build or
> runtime errors when using drools 5.0, I received the following two build
> errors in the Eclipse environment. I tried looking on the Nabble news group
> but did not find any similar postings. Also Googled the errors but to no
> avail. Any help would be very much appreciated. Thanks.
>
> ERROR #1
> -----------
> Internal error in Drools plugin:
> org.drools.RuntimeDroolsException: value '1.4' is not a valid language level
> 	at
> org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setJavaLanguageLevel(JavaDialectConfiguration.java:79)
> 	at org.drools.eclipse.DroolsEclipsePlugin.generateParsedResource(Unknown
> Source)
> 	at org.drools.eclipse.DroolsEclipsePlugin.generateParsedResource(Unknown
> Source)
> 	at org.drools.eclipse.DroolsEclipsePlugin.parseResource(Unknown Source)
> 	at
> org.drools.eclipse.editors.DroolsLineBreakpointAdapter.canToggleLineBreakpoints(Unknown
> Source)
> 	at
> org.eclipse.debug.ui.actions.ToggleBreakpointAction.update(ToggleBreakpointAction.java:187)
> 	at
> org.eclipse.ui.texteditor.AbstractRulerActionDelegate.update(AbstractRulerActionDelegate.java:132)
> 	at
> org.eclipse.ui.texteditor.AbstractRulerActionDelegate.setActiveEditor(AbstractRulerActionDelegate.java:89)
> 	at
> org.eclipse.debug.ui.actions.RulerToggleBreakpointActionDelegate.setActiveEditor(RulerToggleBreakpointActionDelegate.java:98)
> 	at
> org.eclipse.ui.internal.EditorPluginAction.editorChanged(EditorPluginAction.java:75)
> 	at
> org.eclipse.ui.internal.EditorActionBuilder$EditorContribution.editorChanged(EditorActionBuilder.java:83)
> 	at
> org.eclipse.ui.internal.EditorActionBuilder$ExternalContributor.setActiveEditor(EditorActionBuilder.java:129)
> 	at
> org.eclipse.ui.internal.EditorActionBars.partChanged(EditorActionBars.java:345)
> 	at org.eclipse.ui.internal.WorkbenchPage$3.run(WorkbenchPage.java:632)
> 	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.WorkbenchPage.activatePart(WorkbenchPage.java:621)
> 	at
> org.eclipse.ui.internal.WorkbenchPage.setActivePart(WorkbenchPage.java:3527)
> 	at org.eclipse.ui.internal.WorkbenchPage.activate(WorkbenchPage.java:614)
> 	at
> org.eclipse.ui.internal.WorkbenchPage.showEditor(WorkbenchPage.java:2943)
> 	at
> org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2843)
> 	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:2676)
> 	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)
> 	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)
> 	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:1105)
> 	at
> org.eclipse.ui.internal.views.markers.ExtendedMarkersView.openMarkerInEditor(ExtendedMarkersView.java:254)
> 	at
> org.eclipse.ui.internal.views.markers.ExtendedMarkersView.openSelectedMarkers(ExtendedMarkersView.java:1572)
> 	at
> org.eclipse.ui.internal.views.markers.ExtendedMarkersView$4.open(ExtendedMarkersView.java:568)
> 	at
> org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48)
> 	at
> org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:842)
> 	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.fireOpen(StructuredViewer.java:840)
> 	at
> org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1101)
> 	at
> org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1205)
> 	at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:264)
> 	at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:258)
> 	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:298)
> 	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:3910)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3503)
> 	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
> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
> 	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(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	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)
>
> ERROR #2
> ----------
> Unable to create view ID org.eclipse.ui.views.ContentOutline: value '1.4' is
> not a valid language level:
> org.drools.RuntimeDroolsException: value '1.4' is not a valid language level
> at
> org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setJavaLanguageLevel(JavaDialectConfiguration.java:79)
> at org.drools.eclipse.DroolsEclipsePlugin.generateParsedResource(Unknown
> Source)
> at org.drools.eclipse.DroolsEclipsePlugin.parseResource(Unknown Source)
> at
> org.drools.eclipse.editors.outline.RuleContentOutlinePage.initRules(Unknown
> Source)
> at org.drools.eclipse.editors.outline.RuleContentOutlinePage.update(Unknown
> Source)
> at
> org.drools.eclipse.editors.outline.RuleContentOutlinePage.createControl(Unknown
> Source)
> at
> org.eclipse.ui.views.contentoutline.ContentOutline.doCreatePage(ContentOutline.java:137)
> at org.eclipse.ui.part.PageBookView.createPage(PageBookView.java:409)
> at org.eclipse.ui.part.PageBookView.partActivated(PageBookView.java:752)
> at org.eclipse.ui.part.PageBookView.showBootstrapPart(PageBookView.java:921)
> at org.eclipse.ui.part.PageBookView.createPartControl(PageBookView.java:492)
> at
> org.eclipse.ui.views.contentoutline.ContentOutline.createPartControl(ContentOutline.java:121)
> at
> org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:367)
> at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:226)
> 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.ViewPane.setVisible(ViewPane.java:529)
> 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.createControl(PartStack.java:668)
> at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:576)
> at
> org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:568)
> at
> org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:272)
> at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:982)
> at org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:2626)
> at org.eclipse.ui.internal.WorkbenchWindow$27.run(WorkbenchWindow.java:2965)
> at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
> at
> org.eclipse.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:2946)
> at
> org.eclipse.ui.internal.WorkbenchWindow$21.runWithException(WorkbenchWindow.java:2263)
> at
> org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
> at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
> at
> org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
> at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3885)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3506)
> at
> org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
> at
> org.eclipse.ui.internal.Workbench$28.runWithException(Workbench.java:1384)
> at
> org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
> at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
> at
> org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
> at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3885)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3506)
> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2316)
> 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
> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
> 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(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> 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)
>
>
>