[jbosstools-issues] [JBoss JIRA] Closed: (JBIDE-7506) CloudViewer: instance actions in reopened cloudviewer throws SWTException (Widget disposed)

CloudViewer: instance actions in reopened cloudviewer throws SWTException (Widget disposed) ------------------------------------------------------------------------------------------- Key: JBIDE-7506 URL: https://jira.jboss.org/browse/JBIDE-7506 Project: Tools (JBoss Tools) Issue Type: Bug Affects Versions: 3.2.0.Beta2 Reporter: Andre Dietisheim Assignee: Andre Dietisheim Fix For: 3.2.0.Beta2 how to reproduce: 1) close cloud viewer 2) reopen it 3) stop or start an instance Result: Exception in the console: org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.swt.SWTException: Widget is disposed) at org.eclipse.swt.SWT.error(SWT.java:4083) at org.eclipse.swt.SWT.error(SWT.java:3998) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:137) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3515) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3164) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) 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:369) 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:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407) at org.eclipse.equinox.launcher.Main.main(Main.java:1383) Caused by: org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4083) at org.eclipse.swt.SWT.error(SWT.java:3998) at org.eclipse.swt.SWT.error(SWT.java:3969) at org.eclipse.swt.widgets.Widget.error(Widget.java:466) at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:403) at org.eclipse.swt.widgets.Tree.getSelection(Tree.java:1708) at org.eclipse.jface.viewers.TreeViewer.getSelection(TreeViewer.java:256) at org.eclipse.jface.viewers.TreeViewer.setSelection(TreeViewer.java:344) at org.eclipse.jface.viewers.AbstractTreeViewer.setSelectionToWidget(AbstractTreeViewer.java:2480) at org.eclipse.jface.viewers.AbstractTreeViewer.setSelectionToWidget(AbstractTreeViewer.java:2903) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1429) at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:403) at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1383) at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1512) at org.eclipse.jface.viewers.ColumnViewer.refresh(ColumnViewer.java:548) at org.jboss.tools.deltacloud.ui.views.CVInstancesCategoryElement$1.run(CVInstancesCategoryElement.java:101) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) ... 23 more Expected Result: no Exception, action on instance is executed.