[jboss-jira] [JBoss JIRA] Commented: (JBRULES-2879) Exception when type empty in Convering Gateway

Matt Davis (JIRA) jira-events at lists.jboss.org
Fri Mar 4 10:43:46 EST 2011 

    [ https://issues.jboss.org/browse/JBRULES-2879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12586051#comment-12586051 ] 

Matt Davis commented on JBRULES-2879:
-------------------------------------

Reproduced this changing "Converging" to "converging", the problem still occurs for me.  I am seeing this in ComplexGatewayHandler and ExclusiveGatewayHandler.

> Exception when type empty in Convering Gateway
> ----------------------------------------------
>
>                 Key: JBRULES-2879
>                 URL: https://issues.jboss.org/browse/JBRULES-2879
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-eclipse (flow)
>    Affects Versions: 5.2.0.M2
>         Environment: Windows Vista 7
> Eclipse Version: Helios Service Release 1
> Build id: 20100917-0705
>            Reporter: Matias Rivera
>            Assignee: Mark Proctor
>
> If you are creating a process or editing an existing one and you add a Gateway [converge] from the components Pallete and do not set a Type, the next time you open the bpmn process in the "BPMN2 Process Editor" it throws the following exception
> java.lang.IllegalArgumentException: Unknown gateway direction: Converging
> 	at org.jbpm.bpmn2.xml.ComplexGatewayHandler.createNode(ComplexGatewayHandler.java:37)
> 	at org.jbpm.bpmn2.xml.AbstractNodeHandler.start(AbstractNodeHandler.java:64)
> 	at org.drools.xml.ExtensibleXmlParser.startElement(ExtensibleXmlParser.java:384)
> 	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
> 	at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:179)
> 	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(XMLSchemaValidator.java:739)
> 	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:377)
> 	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2755)
> 	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
> 	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
> 	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
> 	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
> 	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
> 	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
> 	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
> 	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
> 	at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
> 	at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:295)
> 	at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:174)
> 	at org.jbpm.compiler.xml.XmlProcessReader.read(XmlProcessReader.java:44)
> 	at org.drools.eclipse.flow.bpmn2.editor.BPMNModelEditor.createModel(BPMNModelEditor.java:210)
> 	at org.drools.eclipse.flow.common.editor.GenericModelEditor.setInput(GenericModelEditor.java:286)
> 	at org.drools.eclipse.flow.bpmn2.editor.BPMNModelEditor.setInput(BPMNModelEditor.java:96)
> 	at org.eclipse.gef.ui.parts.GraphicalEditor.init(GraphicalEditor.java:346)
> 	at org.eclipse.ui.internal.EditorManager.createSite(EditorManager.java:798)
> 	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:647)
> 	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)
> 	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
> 	at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2863)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2768)
> 	at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2760)
> 	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2711)
> 	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2707)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2691)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2682)
> 	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)
> 	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)
> 	at org.eclipse.ui.actions.OpenFileAction.openFile(OpenFileAction.java:99)
> 	at org.eclipse.ui.actions.OpenSystemEditorAction.run(OpenSystemEditorAction.java:99)
> 	at org.eclipse.ui.views.navigator.OpenActionGroup.runDefaultAction(OpenActionGroup.java:133)
> 	at org.eclipse.ui.views.navigator.MainActionGroup.runDefaultAction(MainActionGroup.java:330)
> 	at org.eclipse.ui.views.navigator.ResourceNavigator.handleOpen(ResourceNavigator.java:787)
> 	at org.eclipse.ui.views.navigator.ResourceNavigator$6.open(ResourceNavigator.java:499)
> 	at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48)
> 	at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:845)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
> 	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
> 	at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:843)
> 	at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1131)
> 	at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1235)
> 	at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:264)
> 	at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:258)
> 	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:298)
> 	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(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)
> I think the problem resides in the node.  The empty gateway node type is
>     <complexGateway name="Gateway" gatewayDirection="Converging" />
> While the gateway with type is
>   <exclusiveGateway name="Gateway" gatewayDirection="Converging" />

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