Re: Strange error occurring with wocomponents in application

From: Joshua Archer (joshu..dl.edu)
Date: Tue Jul 31 2007 - 20:36:02 EDT

  • Next message: Aaron Hipple: "Re: https and WO"

    ...I went into the configure build path area, and checked the 'allow
    for output directory' checkbox for /bin, and it worked.

    On Jul 31, 2007, at 5:30 PM, Joshua Archer wrote:

    > bin is completely empty, and isn't re-filling with build code.
    >
    > On Jul 31, 2007, at 4:19 PM, Chuck Hill wrote:
    >
    >>
    >> On Jul 31, 2007, at 3:42 PM, Joshua Archer wrote:
    >>
    >>> Good news is, I can now open up the wocomponents (thanks!),...
    >>>
    >>> ...bad news is, now the project won't launch:
    >>>
    >>> Exception in thread "main" java.lang.NoClassDefFoundError: org/
    >>> pachyderm/authoring/Application
    >>>
    >>> Class exists. I tried removing the launcher and re-creating.
    >>> Still no avail. hrmmm
    >>
    >> I have seen it do that once in a while. Might be some kind of
    >> refresh race condition. Makes no sense. Clean and build? An
    >> Eclipse restart maybe? Check and see that Application.class
    >> exists at this path under bin/ and also under dist/ in the
    >> Resources/Java.
    >>
    >>
    >> Chuck
    >>
    >>
    >>> On Jul 31, 2007, at 3:10 PM, Chuck Hill wrote:
    >>>
    >>>> Deep clean the project (remove everything under bin/ and
    >>>> the .framework or .woa. Does that help? Restart Eclipse.
    >>>> How about now?
    >>>>
    >>>> Chuck
    >>>>
    >>>>
    >>>> On Jul 31, 2007, at 2:07 PM, Joshua Archer wrote:
    >>>>
    >>>>> Hey everyone,
    >>>>>
    >>>>> I've got a strange problem that's cropped up after I changed
    >>>>> package names on a project I'm working on, where none of
    >>>>> the .wo folders open up in the editor anymore. I'm getting
    >>>>> errors such as the following. I can create a new wocomponent
    >>>>> and it works in the editor fine, but something's screwy about
    >>>>> the wocomponents that are pre-exisiting. Any ideas?
    >>>>> It may or may not be the package name that caused the problem,
    >>>>> because I've been doing other changes to packages on other
    >>>>> supporting frameworks, exporting some from their svn tree and
    >>>>> re-importing them elsewhere. But, nothing I can come up with
    >>>>> seems to explain this behavior.
    >>>>>
    >>>>> Unable to create this part due to an internal error. Reason for
    >>>>> the failure: assertion failed:
    >>>>>
    >>>>> org.eclipse.core.runtime.AssertionFailedException: assertion
    >>>>> failed:
    >>>>> at org.eclipse.core.runtime.Assert.isTrue(Assert.java:109)
    >>>>> at org.eclipse.core.runtime.Assert.isTrue(Assert.java:95)
    >>>>> at org.eclipse.ui.part.MultiPageEditorPart.setActivePage
    >>>>> (MultiPageEditorPart.java:688)
    >>>>> at org.eclipse.ui.part.MultiPageEditorPart.createPartControl
    >>>>> (MultiPageEditorPart.java:280)
    >>>>> at org.eclipse.ui.internal.EditorReference.createPartHelper
    >>>>> (EditorReference.java:596)
    >>>>> at org.eclipse.ui.internal.EditorReference.createPart
    >>>>> (EditorReference.java:372)
    >>>>> at org.eclipse.ui.internal.WorkbenchPartReference.getPart
    >>>>> (WorkbenchPartReference.java:566)
    >>>>> at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:290)
    >>>>> at
    >>>>> org.eclipse.ui.internal.presentations.PresentablePart.setVisible
    >>>>> (PresentablePart.java:140)
    >>>>> at
    >>>>> org.eclipse.ui.internal.presentations.util.PresentablePartFolder.s
    >>>>> elect(PresentablePartFolder.java:268)
    >>>>> at
    >>>>> org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.sel
    >>>>> ect(LeftToRightTabOrder.java:65)
    >>>>> at
    >>>>> org.eclipse.ui.internal.presentations.util.TabbedStackPresentation
    >>>>> .selectPart(TabbedStackPresentation.java:394)
    >>>>> at
    >>>>> org.eclipse.ui.internal.PartStack.refreshPresentationSelection
    >>>>> (PartStack.java:1144)
    >>>>> at org.eclipse.ui.internal.PartStack.setSelection
    >>>>> (PartStack.java:1097)
    >>>>> at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:
    >>>>> 1311)
    >>>>> at org.eclipse.ui.internal.PartStack.add(PartStack.java:455)
    >>>>> at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:102)
    >>>>> at org.eclipse.ui.internal.PartStack.add(PartStack.java:441)
    >>>>> at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:111)
    >>>>> at org.eclipse.ui.internal.EditorSashContainer.addEditor
    >>>>> (EditorSashContainer.java:60)
    >>>>> 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:822)
    >>>>> at
    >>>>> org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor
    >>>>> (EditorManager.java:721)
    >>>>> at org.eclipse.ui.internal.EditorManager.openEditor
    >>>>> (EditorManager.java:682)
    >>>>> at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched
    >>>>> (WorkbenchPage.java:2593)
    >>>>> at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor
    >>>>> (WorkbenchPage.java:2528)
    >>>>> at org.eclipse.ui.internal.WorkbenchPage.access$10
    >>>>> (WorkbenchPage.java:2520)
    >>>>> at org.eclipse.ui.internal.WorkbenchPage$9.run
    >>>>> (WorkbenchPage.java:2505)
    >>>>> at org.eclipse.swt.custom.BusyIndicator.showWhile
    >>>>> (BusyIndicator.java:67)
    >>>>> at org.eclipse.ui.internal.WorkbenchPage.openEditor
    >>>>> (WorkbenchPage.java:2500)
    >>>>> at org.eclipse.ui.internal.WorkbenchPage.openEditor
    >>>>> (WorkbenchPage.java:2477)
    >>>>> at
    >>>>> org.objectstyle.wolips.workbenchutilities.WorkbenchUtilitiesPlugin
    >>>>> .open(Unknown Source)
    >>>>> at
    >>>>> org.objectstyle.wolips.workbenchutilities.WorkbenchUtilitiesPlugin
    >>>>> .open(Unknown Source)
    >>>>> at
    >>>>> org.objectstyle.wolips.workbenchutilities.WorkbenchUtilitiesPlugin
    >>>>> .open(Unknown Source)
    >>>>> at
    >>>>> org.objectstyle.wolips.ui.actions.OpenWOAction.openResourceIfPossi
    >>>>> ble(Unknown Source)
    >>>>> at
    >>>>> org.objectstyle.wolips.eomodeler.eclipse.PackageExplorerDoubleClic
    >>>>> kHandler.doubleClick(Unknown Source)
    >>>>> at org.eclipse.jface.viewers.StructuredViewer$1.run
    >>>>> (StructuredViewer.java:796)
    >>>>> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
    >>>>> at org.eclipse.core.runtime.Platform.run(Platform.java:843)
    >>>>> at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)
    >>>>> at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149)
    >>>>> at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick
    >>>>> (StructuredViewer.java:794)
    >>>>> at
    >>>>> org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect
    >>>>> (AbstractTreeViewer.java:1227)
    >>>>> at org.eclipse.jface.viewers.StructuredViewer
    >>>>> $4.widgetDefaultSelected(StructuredViewer.java:1158)
    >>>>> at
    >>>>> org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent
    >>>>> (OpenStrategy.java:223)
    >>>>> at org.eclipse.jface.util.OpenStrategy.access$0
    >>>>> (OpenStrategy.java:220)
    >>>>> at org.eclipse.jface.util.OpenStrategy$1.handleEvent
    >>>>> (OpenStrategy.java:281)
    >>>>> at org.eclipse.swt.widgets.EventTable.sendEvent
    >>>>> (EventTable.java:66)
    >>>>> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1496)
    >>>>> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1520)
    >>>>> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1505)
    >>>>> at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:
    >>>>> 1279)
    >>>>> at org.eclipse.swt.widgets.Display.runDeferredEvents
    >>>>> (Display.java:3312)
    >>>>> at org.eclipse.swt.widgets.Display.readAndDispatch
    >>>>> (Display.java:2941)
    >>>>> at org.eclipse.ui.internal.Workbench.runEventLoop
    >>>>> (Workbench.java:1930)
    >>>>> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1894)
    >>>>> at org.eclipse.ui.internal.Workbench.createAndRunWorkbench
    >>>>> (Workbench.java:422)
    >>>>> at org.eclipse.ui.PlatformUI.createAndRunWorkbench
    >>>>> (PlatformUI.java:149)
    >>>>> at org.eclipse.ui.internal.ide.IDEApplication.run
    >>>>> (IDEApplication.java:95)
    >>>>> at org.eclipse.core.internal.runtime.PlatformActivator$1.run
    >>>>> (PlatformActivator.java:78)
    >>>>> at
    >>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runAp
    >>>>> plication(EclipseAppLauncher.java:92)
    >>>>> at
    >>>>> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start
    >>>>> (EclipseAppLauncher.java:68)
    >>>>> at org.eclipse.core.runtime.adaptor.EclipseStarter.run
    >>>>> (EclipseStarter.java:400)
    >>>>> at org.eclipse.core.runtime.adaptor.EclipseStarter.run
    >>>>> (EclipseStarter.java:177)
    >>>>> 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.core.launcher.Main.invokeFramework(Main.java:336)
    >>>>> at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
    >>>>> at org.eclipse.core.launcher.Main.run(Main.java:977)
    >>>>> at org.eclipse.core.launcher.Main.main(Main.java:952)
    >>>>>
    >>>>> ------------------------------------------------------------------
    >>>>> -----------
    >>>>> Joshua Archer
    >>>>> Software Engineer, CSU - Center for Distributed Learning
    >>>>> Phone: 707.664.2085, Fax: 707.664.4350
    >>>>> ------------------------------------------------------------------
    >>>>> -----------
    >>>>>
    >>>>>
    >>>>>
    >>>>
    >>>> --
    >>>>
    >>>> Practical WebObjects - for developers who want to increase their
    >>>> overall knowledge of WebObjects or who are trying to solve
    >>>> specific problems.
    >>>> http://www.global-village.net/products/practical_webobjects
    >>>>
    >>>>
    >>>>
    >>>>
    >>>>
    >>>>
    >>>
    >>> --------------------------------------------------------------------
    >>> ---------
    >>> Joshua Archer
    >>> Software Engineer, CSU - Center for Distributed Learning
    >>> Phone: 707.664.2085, Fax: 707.664.4350
    >>> --------------------------------------------------------------------
    >>> ---------
    >>>
    >>>
    >>>
    >>>
    >>
    >> --
    >>
    >> Practical WebObjects - for developers who want to increase their
    >> overall knowledge of WebObjects or who are trying to solve
    >> specific problems.
    >> http://www.global-village.net/products/practical_webobjects
    >>
    >>
    >>
    >>
    >>
    >>
    >
    > ----------------------------------------------------------------------
    > -------
    > Joshua Archer
    > Software Engineer, CSU - Center for Distributed Learning
    > Phone: 707.664.2085, Fax: 707.664.4350
    > ----------------------------------------------------------------------
    > -------
    >
    >
    >
    >

    ------------------------------------------------------------------------
    -----
    Joshua Archer
    Software Engineer, CSU - Center for Distributed Learning
    Phone: 707.664.2085, Fax: 707.664.4350
    ------------------------------------------------------------------------
    -----



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