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Editorial Team
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Asked: 2026-05-18T02:30:15+00:00

After performing a Menubar> Project> Clean… I get the following error in the errorlog:

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After performing a Menubar> Project> Clean…
I get the following error in the errorlog:

Java Model Exception: Java Model Status [gen [in MyApp] does not exist]
at org.eclipse.jdt.internal.core.JavaElement.newJavaModelException(JavaElement.java:502)
at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:246)
at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:515)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:252)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:238)
at org.eclipse.jdt.internal.core.PackageFragmentRoot.getKind(PackageFragmentRoot.java:477)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.processDelta(PackageExplorerContentProvider.java:645)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.handleAffectedChildren(PackageExplorerContentProvider.java:791)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.processDelta(PackageExplorerContentProvider.java:734)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.handleAffectedChildren(PackageExplorerContentProvider.java:791)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.processDelta(PackageExplorerContentProvider.java:734)
at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.elementChanged(PackageExplorerContentProvider.java:124)
at org.eclipse.jdt.internal.core.DeltaProcessor$3.run(DeltaProcessor.java:1557)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.jdt.internal.core.DeltaProcessor.notifyListeners(DeltaProcessor.java:1547)
at org.eclipse.jdt.internal.core.DeltaProcessor.firePostChangeDelta(DeltaProcessor.java:1381)
at org.eclipse.jdt.internal.core.DeltaProcessor.fire(DeltaProcessor.java:1357)
at org.eclipse.jdt.internal.core.DeltaProcessor.resourceChanged(DeltaProcessor.java:1958)
at org.eclipse.jdt.internal.core.DeltaProcessingState.resourceChanged(DeltaProcessingState.java:470)
at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:313)
at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1022)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:45)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

Any ideas if this is a problem and what is causing it?
It occurs whether I Clean just my project or all projects

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My Development Environment is:
Eclipse 3.5.2 with ADT 0.9.7 (2.1) and Java SDK 6 Update 21
32bit Windows XP VirtualBox VM on 64bit Windows 7
AMD Phenom II X4 955 Processor @3.20GHz with 4GB RAM

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1 Answer

  1. Editorial Team

    Had a similar error for different reasons. My error started after renaming the target package in the project. After I tried the solution from paskster without success, I started diggin’.

    The actual problem was that renaming the package name from the manifest file didn’t work as expected. I thought it would change everything everywhere. However, the old package name was still in the manifest file in the test directory, and in some views in the resources. After renaming those manually and rebuilding the project, the error was gone.

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