[jbosstools-issues] [JBoss JIRA] Updated: (JBIDE-2449) NullPointerException on Nodes with Action that uses expression

Denis Golovin (JIRA) jira-events at lists.jboss.org
Tue Jul 8 18:44:26 EDT 2008 

     [ http://jira.jboss.com/jira/browse/JBIDE-2449?page=all ]

Denis Golovin updated JBIDE-2449:
---------------------------------

    Assignee: Koen Aers

> NullPointerException on Nodes with Action that uses expression
> --------------------------------------------------------------
>
>                 Key: JBIDE-2449
>                 URL: http://jira.jboss.com/jira/browse/JBIDE-2449
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: jbpm
>    Affects Versions: 2.1.0.GA
>         Environment: Eclipse 3.3 Europa, Kubuntu, java 1.6, Intel core2 duo
>            Reporter: Mark Torres
>         Assigned To: Koen Aers
>
> NullpointerException occurs when editing jpdl files that contains nodes with Actions that uses expression.
> Sample Test jpdl file
> ----------------------------------------------
> <?xml version="1.0" encoding="UTF-8"?>
> <process-definition 
> 	xmlns="urn:jbpm.org:jpdl-3.2"
> 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> 	xsi:schemaLocation="urn:jbpm.org:jpdl-3.2 http://jbpm.org/xsd/jpdl-3.2.xsd"
> 	name="NPESample">
> 	<start-state name="Start">
> 		<transition to="node1"></transition>
> 	</start-state>
> 	<node name="node1">
> 		<action name="expression_action" expression="#{handlerBean.handle}"></action>
> 		<transition to="End"></transition>
> 	</node>
> 	<end-state name="End"></end-state>
> </process-definition>
> ----------------------------------------------
> Stack Trace from eclipse log:
> !ENTRY org.eclipse.ui 4 0 2008-06-26 16:06:04.051
> !MESSAGE Unable to create editor ID org.jbpm.gd.jpdl.editor: An unexpected exception was thrown.
> !STACK 0
> java.lang.NullPointerException
> 	at org.jbpm.gd.jpdl.xml.EsbNodeMapper.accept(Unknown Source)
> 	at org.jbpm.gd.common.registry.XmlAdapterRegistry.getConfigurationElementByXmlNode(Unknown Source)
> 	at org.jbpm.gd.common.xml.XmlAdapterFactory.createAdapter(Unknown Source)
> 	at org.eclipse.wst.sse.core.internal.provisional.AbstractAdapterFactory.adaptNew(AbstractAdapterFactory.java:120)
> 	at org.eclipse.wst.sse.core.internal.provisional.AbstractAdapterFactory.adapt(AbstractAdapterFactory.java:64)
> 	at org.jbpm.gd.common.xml.XmlAdapterFactory.adapt(Unknown Source)
> 	at org.jbpm.gd.common.xml.XmlAdapter.getAdapter(Unknown Source)
> 	at org.jbpm.gd.common.xml.XmlAdapter.initialize(Unknown Source)
> 	at org.jbpm.gd.jpdl.xml.ProcessDefinitionDomAdapter.initialize(Unknown Source)
> 	at org.jbpm.gd.common.editor.Editor.getSemanticElement(Unknown Source)
> 	at org.jbpm.gd.common.editor.Editor.initSourcePage(Unknown Source)
> 	at org.jbpm.gd.common.editor.Editor.createPages(Unknown Source)
> 	at org.jbpm.gd.jpdl.editor.JpdlEditor.createPages(Unknown Source)
> 	at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:283)
> 	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661)
> 	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:426)
> 	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592)
> 	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299)
> 	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:179)
> 	at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
> 	at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
> 	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:400)
> 	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
> 	at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
> 	at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1604)
> 	at org.eclipse.ui.internal.PartStack.add(PartStack.java:499)
> 	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103)
> 	at org.eclipse.ui.internal.PartStack.add(PartStack.java:485)
> 	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112)
> 	at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63)
> 	at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:217)
> 	at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:207)
> 	at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:774)
> 	at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:673)
> 	at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:634)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2737)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2651)
> 	at org.eclipse.ui.internal.WorkbenchPage.access$13(WorkbenchPage.java:2643)
> 	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2595)
> 	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2590)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2574)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2565)
> 	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:644)
> 	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:603)
> 	at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:286)
> 	at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:139)
> 	at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:194)
> 	at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:175)
> 	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:268)
> 	at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:244)
> 	at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:316)
> 	at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$5.open(PackageExplorerPart.java:613)
> 	at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:820)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
> 	at org.eclipse.core.runtime.Platform.run(Platform.java:857)
> 	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:46)
> 	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:199)
> 	at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:818)
> 	at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1079)
> 	at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1183)
> 	at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:263)
> 	at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:257)
> 	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:297)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1101)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3319)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2971)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
> 	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
> 	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
> 	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:508)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1173)

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