java.lang.RuntimeException: WARNING: Blocked recursive attempt to close part org.drools.eclipse.editors.DRLRuleEditor while still in the middle of activating it
	at org.eclipse.ui.internal.WorkbenchPage.closeEditors(WorkbenchPage.java:1300)
	at org.eclipse.ui.internal.WorkbenchPage.closeEditor(WorkbenchPage.java:1435)
	at org.eclipse.ui.internal.EditorPane.doHide(EditorPane.java:61)
	at org.eclipse.ui.internal.PartStack.close(PartStack.java:543)
	at org.eclipse.ui.internal.EditorStack.close(EditorStack.java:206)
	at org.eclipse.ui.internal.PartStack$1.close(PartStack.java:122)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:83)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:270)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:279)
	at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder.access$1(DefaultTabFolder.java:1)
	at org.eclipse.ui.internal.presentations.defaultpresentation.DefaultTabFolder$1.closeButtonPressed(DefaultTabFolder.java:70)
	at org.eclipse.ui.internal.presentations.PaneFolder.notifyCloseListeners(PaneFolder.java:626)
	at org.eclipse.ui.internal.presentations.PaneFolder$3.close(PaneFolder.java:206)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2199)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:327)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3880)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:173)
	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:388)
	at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507)
	at org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog.run(ProgressMonitorJobsDialog.java:275)
	at org.eclipse.ui.internal.progress.ProgressManager$4.run(ProgressManager.java:966)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.progress.ProgressManager.busyCursorWhile(ProgressManager.java:1001)
	at org.eclipse.ui.internal.progress.ProgressManager.busyCursorWhile(ProgressManager.java:976)
	at org.drools.eclipse.editors.DRLRuleEditor2.setFocus(DRLRuleEditor2.java:258)
	at org.eclipse.ui.internal.PartPane.setFocus(PartPane.java:332)
	at org.eclipse.ui.internal.EditorPane.setFocus(EditorPane.java:127)
	at org.eclipse.ui.internal.WorkbenchPage$3.run(WorkbenchPage.java:626)
	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.requestActivation(WorkbenchPage.java:3071)
	at org.eclipse.ui.internal.PartPane.requestActivation(PartPane.java:279)
	at org.eclipse.ui.internal.EditorPane.requestActivation(EditorPane.java:98)
	at org.eclipse.ui.internal.presentations.PresentablePart.setFocus(PresentablePart.java:192)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:94)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:270)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:275)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.handleMouseDown(AbstractTabFolder.java:345)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder$3.mouseDown(AbstractTabFolder.java:79)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:179)
	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:3880)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
	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(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	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)