Help with Error with Spring Web Flow Definition Wizard Pleas

  1. MyEclipse IDE > Spring Development

This topic contains 1 reply, has 2 voices, and was last updated by  davemeurer 10 years, 4 months ago.

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  • #306887 Reply

    jdemilner
    Member

    When I try to launch the New Spring Web Flow Definition wizard I click on it, select Next and receive the following error:

    java.lang.NullPointerException
    at com.genuitec.eclipse.springframework.wizards.NewSpringBeansConfigFileWizardPage.initializeControl(NewSpringBeansConfigFileWizardPage.java:136)
    at com.genuitec.eclipse.springframework.wizards.NewSpringBeansConfigFileWizardPage.createControl(NewSpringBeansConfigFileWizardPage.java:126)
    at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:170)
    at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:675)
    at org.eclipse.jface.wizard.WizardDialog.setWizard(WizardDialog.java:1093)
    at org.eclipse.jface.wizard.WizardDialog.updateForPage(WizardDialog.java:1152)
    at org.eclipse.jface.wizard.WizardDialog.access$2(WizardDialog.java:1149)
    at org.eclipse.jface.wizard.WizardDialog$5.run(WizardDialog.java:1138)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1136)
    at org.eclipse.ui.internal.dialogs.NewWizardSelectionPage.advanceToNextPageOrFinish(NewWizardSelectionPage.java:71)
    at org.eclipse.ui.internal.dialogs.NewWizardNewPage$1.doubleClick(NewWizardNewPage.java:355)
    at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:821)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.runtime.Platform.run(Platform.java:888)
    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
    at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:819)
    at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1419)
    at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1195)
    at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:238)
    at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:235)
    at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:296)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3880)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
    at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
    at org.eclipse.jface.window.Window.open(Window.java:801)
    at org.eclipse.ui.internal.handlers.WizardHandler$New.executeHandler(WizardHandler.java:253)
    at org.eclipse.ui.internal.handlers.WizardHandler.execute(WizardHandler.java:273)
    at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:294)
    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.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:241)
    at org.eclipse.ui.internal.actions.CommandAction.runWithEvent(CommandAction.java:157)
    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$5.handleEvent(ActionContributionItem.java:411)
    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.Display.runDeferredEvents(Display.java:3880)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
    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:194)
    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:368)
    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:559)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1287)

    I am using MyEclipse 8.0 and Eclipse 3.5.1.

    Is this feature supposed to work?

    Also if I manually create a web flow definition with just xml and then try to open it with the Web Flow editor, I just get a blank screen with no errors in the log.

    #306916 Reply

    davemeurer
    Member

    Hello,

    A similar user had a NullPointerException trying that funcationality in this post: https://www.genuitec.com/forums/topic/install-spring-ide-on-my-eclipse/.

    This person was also looking for the MyEclipse for Spring Web Flow editor (detailed in that post), and found the Standard MyEclipse Web Flow features, which includes the Web Flow Definition wizard mentioned above. Before sending your errors to support, please help us understand a bit more which feature you want to use.

    Thanks!
    Dave

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