[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-2565) NPE when deleting a pages.xml entry

NPE when deleting a pages.xml entry ----------------------------------- Key: JBIDE-2565 URL: https://jira.jboss.org/jira/browse/JBIDE-2565 Project: Tools (JBoss Tools) Issue Type: Bug Affects Versions: 3.0.0.alpha Environment: Plugin: org.jboss.tools.common.model.ui (2.0.0.200807152328-nightly) Eclipse Version: 3.4.0 Build id: I20080617-2000 Java 1.5 / XP Reporter: Georg Sendt Assignee: Daniel Azarov Fix For: 3.0.0.beta1 Attachments: pages.xml 1. Load pages.xml into graphical editor 2. go to source tab 3. delete the first entry 4. save the file java.lang.NullPointerException at org.eclipse.draw2d.PolylineConnection.layout(PolylineConnection.java:176) at org.jboss.tools.seam.ui.pages.editor.edit.LinkEditPart$AdapterImpl.notifyChanged(LinkEditPart.java:263) at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:247) at org.eclipse.emf.common.notify.impl.NotificationImpl.dispatch(NotificationImpl.java:1030) at org.eclipse.emf.common.notify.impl.NotificationImpl.dispatch(NotificationImpl.java:1035) at org.jboss.tools.seam.ui.pages.editor.ecore.pages.impl.LinkImpl.setToElement(LinkImpl.java:280) at org.jboss.tools.seam.ui.pages.editor.ecore.pages.impl.PagesModelImpl$ML.structureChanged(PagesModelImpl.java:351) at org.jboss.tools.common.model.impl.XModelImpl$2.run(XModelImpl.java:493) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.jboss.tools.common.model.impl.XModelImpl.fireStructureChanged(XModelImpl.java:489) at org.jboss.tools.common.model.impl.XModelObjectImpl.fireStructureChanged(XModelObjectImpl.java:404) at org.jboss.tools.common.model.impl.XModelObjectImpl.removeChild(XModelObjectImpl.java:253) at org.jboss.tools.common.model.impl.XModelObjectImpl.removeFromParent(XModelObjectImpl.java:259) at org.jboss.tools.seam.pages.xml.model.helpers.SeamPagesDiagramHelper.removeObsoletePageItems(SeamPagesDiagramHelper.java:157) at org.jboss.tools.seam.pages.xml.model.helpers.SeamPagesDiagramHelper.updateDiagram0(SeamPagesDiagramHelper.java:114) at org.jboss.tools.seam.pages.xml.model.helpers.SeamPagesDiagramHelper.updateDiagram(SeamPagesDiagramHelper.java:67) at org.jboss.tools.seam.pages.xml.model.FileSeamPagesImpl.mergeAll(FileSeamPagesImpl.java:47) at org.jboss.tools.common.model.filesystems.impl.AbstractExtendedXMLFileImpl.edit(AbstractExtendedXMLFileImpl.java:192) at org.jboss.tools.common.model.filesystems.impl.AbstractExtendedXMLFileImpl.edit(AbstractExtendedXMLFileImpl.java:144) at org.jboss.tools.common.model.ui.texteditors.TextEditorSupport.save(TextEditorSupport.java:89) at org.jboss.tools.common.model.ui.texteditors.TextEditorSupport.save(TextEditorSupport.java:81) at org.jboss.tools.common.model.ui.texteditors.XMLTextEditorComponent.save(XMLTextEditorComponent.java:141) at org.jboss.tools.common.model.ui.texteditors.xmleditor.XMLTextEditor$TextFocusListener$1.run(XMLTextEditor.java:281) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:178) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4251) at org.jboss.tools.common.model.ui.texteditors.xmleditor.XMLTextEditor$TextFocusListener.focusLost(XMLTextEditor.java:273) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:137) 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.Widget.sendEvent(Widget.java:1027) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1008) at org.eclipse.swt.widgets.Control.sendFocusEvent(Control.java:2429) at org.eclipse.swt.widgets.Widget.wmKillFocus(Widget.java:1765) at org.eclipse.swt.widgets.Control.WM_KILLFOCUS(Control.java:4130) at org.eclipse.swt.widgets.Canvas.WM_KILLFOCUS(Canvas.java:429) at org.eclipse.swt.widgets.Control.windowProc(Control.java:3820) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:337) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4541) at org.eclipse.swt.internal.win32.OS.SetFocus(Native Method) at org.eclipse.swt.widgets.Control.forceFocus(Control.java:974) at org.eclipse.swt.widgets.Control.setFixedFocus(Control.java:2791) at org.eclipse.swt.widgets.Composite.setFixedFocus(Composite.java:913) at org.eclipse.swt.widgets.Composite.setFixedFocus(Composite.java:911) at org.eclipse.swt.widgets.Control.fixFocus(Control.java:932) at org.eclipse.swt.widgets.Control.setEnabled(Control.java:2786) at org.eclipse.jface.window.ApplicationWindow.run(ApplicationWindow.java:743) at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2483) at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:274) at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:253) at org.eclipse.ui.internal.SaveableHelper.savePart(SaveableHelper.java:148) at org.eclipse.ui.internal.EditorManager.savePart(EditorManager.java:1350) at org.eclipse.ui.internal.WorkbenchPage.savePart(WorkbenchPage.java:3291) at org.eclipse.ui.internal.WorkbenchPage.saveEditor(WorkbenchPage.java:3304) at org.jboss.tools.common.model.ui.texteditors.SaveAction2.run(XMLTextEditorComponent.java:443) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:119) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:471) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:822) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:880) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:569) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:511) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:126) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1184) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1002) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1027) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1012) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1040) at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1036) at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1352) at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:3894) at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:341) at org.eclipse.swt.widgets.Control.windowProc(Control.java:3787) at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:337) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4528) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2370) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3420) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488) 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:193) 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:382) 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:549) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504) at org.eclipse.equinox.launcher.Main.run(Main.java:1236)