null
org.eclipse.e4.ui.workbench
Error
Tue May 28 14:08:41 CEST 2019
Failed to evaluate: ReferenceExpression [definitionId=org.eclipse.m2e.sourcelookup.ui.m2estratum]

org.eclipse.core.runtime.CoreException: No property tester contributes a property org.eclipse.jdt.launching.jdtstratum to type class org.jboss.tools.jmx.ui.internal.views.navigator.MBeanExplorerContentProvider$ProviderCategory
	at org.eclipse.core.internal.expressions.TypeExtensionManager.getProperty(TypeExtensionManager.java:130)
	at org.eclipse.core.internal.expressions.TestExpression.evaluate(TestExpression.java:100)
	at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:55)
	at org.eclipse.core.internal.expressions.IterateExpression.evaluate(IterateExpression.java:199)
	at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:55)
	at org.eclipse.core.internal.expressions.WithExpression.evaluate(WithExpression.java:81)
	at org.eclipse.core.internal.expressions.ReferenceExpression.evaluate(ReferenceExpression.java:74)
	at org.eclipse.ui.internal.services.EvaluationReference.evaluate(EvaluationReference.java:74)
	at org.eclipse.ui.internal.services.EvaluationReference.evaluate(EvaluationReference.java:100)
	at org.eclipse.ui.internal.services.EvaluationReference.changed(EvaluationReference.java:94)
	at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:117)
	at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:365)
	at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:380)
	at org.eclipse.ui.internal.services.EvaluationService$1.changed(EvaluationService.java:79)
	at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:117)
	at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:365)
	at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:380)
	at org.eclipse.ui.internal.e4.compatibility.SelectionService.updateSelection(SelectionService.java:152)
	at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:211)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:253)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:250)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:775)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:684)
	at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:97)
	at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.lambda$0(ContributedPartRenderer.java:63)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5869)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1399)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1425)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1408)
	at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:2101)
	at org.eclipse.swt.widgets.Control.gtk_button_press_event(Control.java:3620)
	at org.eclipse.swt.widgets.Control.gtk_button_press_event(Control.java:3518)
	at org.eclipse.swt.widgets.Composite.gtk_button_press_event(Composite.java:841)
	at org.eclipse.swt.widgets.Tree.gtk_button_press_event(Tree.java:2109)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2220)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:6779)
	at org.eclipse.swt.widgets.Tree.windowProc(Tree.java:4189)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:6127)
	at org.eclipse.swt.internal.gtk.GTK._gtk_main_do_event(Native Method)
	at org.eclipse.swt.internal.gtk.GTK.gtk_main_do_event(GTK.java:4166)
	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1429)
	at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)
	at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:1609)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4656)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1173)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1062)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:631)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:555)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:155)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:661)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:597)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1476)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1449)