[jbosstools-issues] [JBoss JIRA] Resolved: (JBIDE-8205) "Unhandled event loop exception" after Refresh after second try to open Mapping Diagram with no elements in configuration

"Unhandled event loop exception" after Refresh after second try to open Mapping Diagram with no elements in configuration ------------------------------------------------------------------------------------------------------------------------- Key: JBIDE-8205 URL: https://issues.jboss.org/browse/JBIDE-8205 Project: Tools (JBoss Tools) Issue Type: Bug Components: Hibernate Affects Versions: 3.2.0.CR1 Reporter: Vitali Yemialyanchyk Assignee: Vitali Yemialyanchyk Fix For: 3.2.0.CR2 (tentative) Attachments: JBIDE-8205_20110121.txt, screenshot-1.jpg 1) create 2 console configs, first should has configuration items other without items; 2) open mapping diagram for first press Refresh; 3) open mapping diagram for second press Refresh; 4) close both mapping diagrams; 5) open mapping diagram for second CC, press Refresh -> get exception: (when exception arise constantly after Refresh) java.lang.IllegalArgumentException: Argument cannot be null at org.eclipse.swt.SWT.error(SWT.java:4064) at org.eclipse.swt.SWT.error(SWT.java:3998) at org.eclipse.swt.SWT.error(SWT.java:3969) at org.eclipse.swt.widgets.TreeItem.checkNull(TreeItem.java:207) at org.eclipse.swt.widgets.TreeItem.<init>(TreeItem.java:197) at org.eclipse.gef.editparts.AbstractTreeEditPart.addChildVisual(AbstractTreeEditPart.java:75) at org.eclipse.gef.editparts.AbstractEditPart.addChild(AbstractEditPart.java:210) at org.eclipse.gef.editparts.AbstractEditPart.refreshChildren(AbstractEditPart.java:771) at org.eclipse.gef.editparts.AbstractEditPart.refresh(AbstractEditPart.java:718) at org.eclipse.gef.editparts.AbstractEditPart.addNotify(AbstractEditPart.java:252) at org.eclipse.gef.editparts.AbstractEditPart.addChild(AbstractEditPart.java:211) at org.eclipse.gef.editparts.RootTreeEditPart.setContents(RootTreeEditPart.java:140) at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setContents(AbstractEditPartViewer.java:617) at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setContents(AbstractEditPartViewer.java:626) at org.jboss.tools.hibernate.ui.diagram.editors.DiagramContentOutlinePage.setContents(DiagramContentOutlinePage.java:298) at org.jboss.tools.hibernate.ui.diagram.editors.actions.RefreshAction.run(RefreshAction.java:42) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.ui.actions.RetargetAction.runWithEvent(RetargetAction.java:230) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$6.handleEvent(ActionContributionItem.java:452) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657) 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(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:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407)