Re: Strange error occurring with wocomponents in application

From: Joshua Archer (joshu..dl.edu)
Date: Tue Jul 31 2007 - 20:30:00 EDT

  • Next message: Joshua Archer: "Re: Strange error occurring with wocomponents in application"

    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.se
    >>>> lect(PresentablePartFolder.java:268)
    >>>> at
    >>>> org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.sele
    >>>> ct(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.openResourceIfPossib
    >>>> le(Unknown Source)
    >>>> at
    >>>> org.objectstyle.wolips.eomodeler.eclipse.PackageExplorerDoubleClick
    >>>> Handler.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.runApp
    >>>> lication(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
    ------------------------------------------------------------------------
    -----



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