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Build ID: 3.4m7 Steps To Reproduce: if you view the plugin manifest and click on the extensions tab, and then select multiple items and copy them (ctrl+c), clicking any extensions after that results in: java.lang.ClassCastException An error has occurred. See error log for more details. [Ljava.lang.Object; cannot be cast to [Lorg.eclipse.pde.core.plugin.IPluginElement; More information: copying & pasting one extension at a time seems to work OK ive seen this with every plugin ive happened to test, but specifically i tested with org.eclipse.cdt.managedbuilder.gnu.ui and select all the GCC children of the org.eclipse.cdt.managedbuilder.core.buildDefinitions tree and copy those
Here is the full stacktrace
Here is the full stacktrace ; the error occurs when you select many children of an extension. !ENTRY org.eclipse.jface 4 2 2008-05-14 09:55:45.531 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface". !STACK 0 java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to [Lorg.eclipse.pde.core.plugin.IPluginElement; at org.eclipse.pde.internal.ui.editor.plugin.ExtensionsSection.canPaste(ExtensionsSection.java:899) at org.eclipse.pde.internal.ui.editor.StructuredViewerSection.canPaste(StructuredViewerSection.java:117) at org.eclipse.pde.internal.ui.editor.PDEFormPage.canPaste(PDEFormPage.java:207) at org.eclipse.pde.internal.ui.editor.PDEFormEditor.canPasteFromClipboard(PDEFormEditor.java:879) at org.eclipse.pde.internal.ui.editor.PDEFormEditorContributor$PasteAction.selectionChanged(PDEFormEditorContributor.java:120) at org.eclipse.pde.internal.ui.editor.PDEFormEditorContributor.updateSelectableActions(PDEFormEditorContributor.java:283) at org.eclipse.pde.internal.ui.editor.PDEFormEditor.setSelection(PDEFormEditor.java:710) at org.eclipse.pde.internal.ui.editor.plugin.ExtensionsSection.selectionChanged(ExtensionsSection.java:262) at org.eclipse.pde.internal.ui.editor.TreeSection$PartAdapter.selectionChanged(TreeSection.java:33) at org.eclipse.pde.internal.ui.parts.TreePart$1.selectionChanged(TreePart.java:45) at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:162) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.runtime.Platform.run(Platform.java:880) 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.Viewer.fireSelectionChanged(Viewer.java:160) at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2062) at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1138) at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1168) at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:227) at org.eclipse.jface.util.OpenStrategy.access$3(OpenStrategy.java:221) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:388) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1002) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3782) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3381) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2394) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2358) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2210) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:494) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:489) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:112) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193) 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:379) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504) at org.eclipse.equinox.launcher.Main.run(Main.java:1236) at org.eclipse.equinox.launcher.Main.main(Main.java:1212)
Created attachment 100127 [details] Patch Here is the fix for this invalid array cast
Created attachment 100128 [details] mylyn/context/zip
Thanks Ben! Holy crap, welcome to my world Spanky :) Are you still in Boston :)?
Boston?
for the time being i dont suppose you do CDT at all ? i'm trying to get stuff fixed there wrt gdb mi ;)
Thanks for the patch Ben! > 20080514
You're welcome Chris! :)
