[Tom McCobb]

Error created thus:

Do a compare of two files. move one or more individual conflicting changes between files. Then move your cursor anywhere out of the editor/compare window (like up to the File menu or button bar to save your changes) and the error occurs, resulting in the save button getting disabled so you can’t save your changes.

An internal error occurred during: “Compute launch button tooltip”.
Invalid thread access

NOTE: The error only occurs once and if you make any further moves or edits to the files it does not happen. Also only occurs with individual code moves. If you use the button to move ALL changes from one file to another, no problem.

Here is installation summary:

*** Date: 
Wednesday, September 2, 2009 1:18:56 PM EDT

** System properties:
OS=WindowsXP
OS version=5.1.0
Java version=1.6.0_13


*** MyEclipse details:
MyEclipse Enterprise Workbench
Version: 7.5
Build id: 7.5-20090609


*** Eclipse details:
MyEclipse Enterprise Workbench

Version: 7.5
Build id: 7.5-20090609




Eclipse Plug-in Development Environment

Version: 3.4.2.R342_v20090122-7T7U1E9imVKz-A8Vz-p_jRS
Build id: M20080703-0800


Eclipse Platform

Version: 3.4.2.R342_v20090122-9I96EiWElHi8lheoJKJIvhM3JfVsYbRrgVIWL
Build id: M20090211-1700


Eclipse Graphical Editing Framework GEF

Version: 3.4.2.v20090218-1145-67728084A56B4I233613552
Build id: 200809101400


Eclipse RCP

Version: 3.4.200.R342_v20090122-989JESTEbig-SVaL8UJHcYBr4A63
Build id: M20090211-1700


Eclipse Java Development Tools

Version: 3.4.2.r342_v20081217-7o7tEAoEEDWEm5HTrKn-svO4BbDI
Build id: M20090211-1700




Eclipse startup command=-os
win32
-ws
win32
-arch
x86
-showsplash
-launcher
C:\Program Files\Genuitec\MyEclipse 7.0\myeclipse.exe
-name
Myeclipse
--launcher.library
C:\Program Files\Genuitec\MyEclipse 7.0\../Common\plugins\org.eclipse.equinox.launcher.win32.win32.x86_1.0.101.R34x_v20080731\eclipse_1115.dll
-startup
C:\Program Files\Genuitec\MyEclipse 7.0\../Common\plugins\org.eclipse.equinox.launcher_1.0.101.R34x_v20081125.jar
-configuration
configuration
-vm
C:\Program Files\Genuitec\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\bin\client\jvm.dll

Here is the log entry:

!ENTRY org.eclipse.core.jobs 4 2 2009-09-02 13:11:41.615
!MESSAGE An internal error occurred during: "Compute launch button tooltip".
!STACK 0
org.eclipse.swt.SWTException: Invalid thread access
    at org.eclipse.swt.SWT.error(SWT.java:3777)
    at org.eclipse.swt.SWT.error(SWT.java:3695)
    at org.eclipse.swt.SWT.error(SWT.java:3666)
    at org.eclipse.swt.widgets.Display.error(Display.java:1180)
    at org.eclipse.swt.widgets.Display.checkDevice(Display.java:703)
    at org.eclipse.swt.widgets.Display.getSystemCursor(Display.java:2288)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:59)
    at org.eclipse.compare.structuremergeviewer.StructureDiffViewer.compareInputChanged(StructureDiffViewer.java:322)
    at org.eclipse.compare.structuremergeviewer.StructureDiffViewer$5.compareInputChanged(StructureDiffViewer.java:216)
    at org.eclipse.compare.structuremergeviewer.DiffNode.fireChange(DiffNode.java:138)
    at org.eclipse.compare.internal.ResourceCompareInput$MyDiffNode.fireChange(ResourceCompareInput.java:66)
    at org.eclipse.compare.internal.MergeViewerContentProvider.saveLeftContent(MergeViewerContentProvider.java:134)
    at org.eclipse.compare.contentmergeviewer.ContentMergeViewer.flushContent(ContentMergeViewer.java:1167)
    at org.eclipse.compare.contentmergeviewer.TextMergeViewer.flushContent(TextMergeViewer.java:4421)
    at org.eclipse.compare.contentmergeviewer.ContentMergeViewer.flush(ContentMergeViewer.java:1141)
    at org.eclipse.compare.CompareEditorInput.flushViewer(CompareEditorInput.java:1023)
    at org.eclipse.compare.CompareEditorInput.flushViewers(CompareEditorInput.java:1016)
    at org.eclipse.compare.internal.ResourceCompareInput.getAdapter(ResourceCompareInput.java:434)
    at com.genuitec.eclipse.maven.core.RunnablePropertyTester.test(RunnablePropertyTester.java:24)
    at org.eclipse.core.internal.expressions.Property.test(Property.java:58)
    at org.eclipse.core.internal.expressions.TestExpression.evaluate(TestExpression.java:99)
    at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53)
    at org.eclipse.core.internal.expressions.AndExpression.evaluate(AndExpression.java:29)
    at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53)
    at org.eclipse.core.internal.expressions.IterateExpression.evaluate(IterateExpression.java:150)
    at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53)
    at org.eclipse.core.internal.expressions.WithExpression.evaluate(WithExpression.java:72)
    at org.eclipse.core.internal.expressions.CompositeExpression.evaluateAnd(CompositeExpression.java:53)
    at org.eclipse.core.internal.expressions.EnablementExpression.evaluate(EnablementExpression.java:53)
    at org.eclipse.debug.internal.ui.launchConfigurations.LaunchShortcutExtension.evalEnablementExpression(LaunchShortcutExtension.java:287)
    at org.eclipse.debug.internal.ui.contextlaunching.LaunchingResourceManager.getShortcutsForSelection(LaunchingResourceManager.java:439)
    at org.eclipse.debug.internal.ui.contextlaunching.LaunchingResourceManager.computeLabels(LaunchingResourceManager.java:224)
    at org.eclipse.debug.internal.ui.contextlaunching.LaunchingResourceManager$2.run(LaunchingResourceManager.java:138)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

[support-shalini]

tmccobb,
On further investigation I found that this is an existing issue with Eclipse(Reference link:https://bugs.eclipse.org/bugs/show_bug.cgi?id=204378).
Since MyEclipse is built on top of Eclipse, the fix in MyEclipse will be reflected as soon as the Eclipse team resolves this issue.

Sorry for the inconvenience.

[Tom McCobb]

Thanks. I’ll keep an eye on it in the Eclipse project.

[support-shalini]

You are welcome.

[Author]

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