CDK Sever monitoring 'Add...' button throws exception ----------------------------------------------------- Key: JBDS-4682 URL: https://issues.jboss.org/browse/JBDS-4682 Project: Red Hat JBoss Developer Studio (devstudio) Issue Type: Bug Components: cdk Environment: Windows 10 Pro Reporter: Denis Golovin Attachments: monitoring-exception.mp4 {code}org.eclipse.core.runtime.AssertionFailedException: null argument: at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85) at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73) at org.eclipse.jface.viewers.StructuredViewer.assertElementsNotNull(StructuredViewer.java:585) at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:996) at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:701) at org.eclipse.jface.viewers.AbstractTableViewer.getRawChildren(AbstractTableViewer.java:1035) at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:901) at org.eclipse.jface.viewers.StructuredViewer.getSortedChildren(StructuredViewer.java:1078) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefreshAll(AbstractTableViewer.java:664) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:612) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:604) at org.eclipse.jface.viewers.AbstractTableViewer.lambda$0(AbstractTableViewer.java:566) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1447) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1408) at org.eclipse.jface.viewers.AbstractTableViewer.inputChanged(AbstractTableViewer.java:566) at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:286) at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1685) at org.eclipse.wst.server.ui.internal.viewers.MonitorDialog.createDialogArea(MonitorDialog.java:123) at org.eclipse.jface.dialogs.Dialog.createContents(Dialog.java:768) at org.eclipse.jface.window.Window.create(Window.java:426) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1096) at org.eclipse.jface.window.Window.open(Window.java:783) at org.eclipse.wst.server.ui.internal.viewers.MonitorComposite$2.widgetSelected(MonitorComposite.java:135) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4238) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3817) at org.eclipse.jface.window.Window.runEventLoop(Window.java:818) at org.eclipse.jface.window.Window.open(Window.java:794) at org.eclipse.wst.server.ui.internal.view.servers.PropertiesAction.perform(PropertiesAction.java:49) at org.eclipse.wst.server.ui.internal.view.servers.AbstractServerAction.run(AbstractServerAction.java:64) at org.eclipse.jface.action.Action.runWithEvent(Action.java:473) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:565) at org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:397) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4238) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3817) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472) {code}