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Bug 322674

Summary:	Java indexes are invalid: CategoryTable cannot be case to java.lang.Integer
Product:	[Eclipse Project] JDT	Reporter:	Kelly Campbell <kellyc>
Component:	Core	Assignee:	Satyam Kandula <satyam.kandula>
Status:	CLOSED INVALID	QA Contact:
Severity:	normal
Priority:	P3	CC:	srikanth_sankaran
Version:	3.7
Target Milestone:	---
Hardware:	PC
OS:	Linux
Whiteboard:

Description Kelly Campbell

2010-08-13 12:56:00 EDT

Build Identifier: I20100608-0911 (jdt.core: 3.6.1.v_A63_R36x built from R3_6_maintenance branch)

Caused by: java.lang.ClassCastException: org.eclipse.jdt.internal.core.index.CategoryTable cannot be cast to java.lang.Integer
at org.eclipse.jdt.internal.core.index.DiskIndex.readDocumentNumbers(DiskIndex.java:766)
at org.eclipse.jdt.internal.core.index.EntryResult.getDocumentNames(EntryResult.java:58)
at org.eclipse.jdt.core.search.SearchPattern.findIndexMatches(SearchPattern.java:2308)
at org.eclipse.jdt.internal.core.search.matching.MatchLocator.findIndexMatches(MatchLocator.java:264)
at org.eclipse.jdt.internal.core.search.PatternSearchJob.search(PatternSearchJob.java:97)
at org.eclipse.jdt.internal.core.search.PatternSearchJob.execute(PatternSearchJob.java:63)
at org.eclipse.jdt.internal.core.search.processing.JobManager.performConcurrentJob(JobManager.java:276)
at org.eclipse.jdt.internal.core.search.BasicSearchEngine.findMatches(BasicSearchEngine.java:214)
at org.eclipse.jdt.internal.core.search.BasicSearchEngine.search(BasicSearchEngine.java:515)
at org.eclipse.jdt.core.search.SearchEngine.search(SearchEngine.java:582)
at org.eclipse.jdt.internal.corext.refactoring.RefactoringSearchEngine.internalSearch(RefactoringSearchEngine.java:142)
at org.eclipse.jdt.internal.corext.refactoring.RefactoringSearchEngine.search(RefactoringSearchEngine.java:129)
at org.eclipse.jdt.internal.corext.refactoring.rename.RenameFieldProcessor.getReferences(RenameFieldProcessor.java:584)
at org.eclipse.jdt.internal.corext.refactoring.rename.RenameFieldProcessor.doCheckFinalConditions(RenameFieldProcessor.java:438)
at org.eclipse.jdt.internal.corext.refactoring.rename.JavaRenameProcessor.checkFinalConditions(JavaRenameProcessor.java:46)
at org.eclipse.ltk.core.refactoring.participants.ProcessorBasedRefactoring.checkFinalConditions(ProcessorBasedRefactoring.java:224)
at org.eclipse.ltk.core.refactoring.Refactoring.checkAllConditions(Refactoring.java:160)
at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper$Operation.run(RefactoringExecutionHelper.java:80)
at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:39)
at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:728)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:4777)
at org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:106)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Root exception:
java.lang.ClassCastException: org.eclipse.jdt.internal.core.index.CategoryTable cannot be cast to java.lang.Integer
at org.eclipse.jdt.internal.core.index.DiskIndex.readDocumentNumbers(DiskIndex.java:766)
at org.eclipse.jdt.internal.core.index.EntryResult.getDocumentNames(EntryResult.java:58)
at org.eclipse.jdt.core.search.SearchPattern.findIndexMatches(SearchPattern.java:2308)
at org.eclipse.jdt.internal.core.search.matching.MatchLocator.findIndexMatches(MatchLocator.java:264)
at org.eclipse.jdt.internal.core.search.PatternSearchJob.search(PatternSearchJob.java:97)
at org.eclipse.jdt.internal.core.search.PatternSearchJob.execute(PatternSearchJob.java:63)
at org.eclipse.jdt.internal.core.search.processing.JobManager.performConcurrentJob(JobManager.java:276)
at org.eclipse.jdt.internal.core.search.BasicSearchEngine.findMatches(BasicSearchEngine.java:214)
at org.eclipse.jdt.internal.core.search.BasicSearchEngine.search(BasicSearchEngine.java:515)
at org.eclipse.jdt.core.search.SearchEngine.search(SearchEngine.java:582)
at org.eclipse.jdt.internal.corext.refactoring.RefactoringSearchEngine.internalSearch(RefactoringSearchEngine.java:142)
at org.eclipse.jdt.internal.corext.refactoring.RefactoringSearchEngine.search(RefactoringSearchEngine.java:129)
at org.eclipse.jdt.internal.corext.refactoring.rename.RenameFieldProcessor.getReferences(RenameFieldProcessor.java:584)
at org.eclipse.jdt.internal.corext.refactoring.rename.RenameFieldProcessor.doCheckFinalConditions(RenameFieldProcessor.java:438)
at org.eclipse.jdt.internal.corext.refactoring.rename.JavaRenameProcessor.checkFinalConditions(JavaRenameProcessor.java:46)
at org.eclipse.ltk.core.refactoring.participants.ProcessorBasedRefactoring.checkFinalConditions(ProcessorBasedRefactoring.java:224)
at org.eclipse.ltk.core.refactoring.Refactoring.checkAllConditions(Refactoring.java:160)
at org.eclipse.jdt.internal.ui.refactoring.RefactoringExecutionHelper$Operation.run(RefactoringExecutionHelper.java:80)
at org.eclipse.jdt.internal.core.BatchOperation.executeOperation(BatchOperation.java:39)
at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:728)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:4777)
at org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:106)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)

Reproducible: Always

Steps to Reproduce:
1. Perform a java search or refactor like rename a var.
2. Internal error occurs with the above stack trace

I tried shutting down eclipse, removing all .index files from the .metadata/.plugins/org.eclipse.jdt.core directory and restarting eclipse. It rebuilt all the indexes but the exceptions still occur.

Comment 1 Srikanth Sankaran

2010-08-14 06:57:12 EDT

Satyam, please take a look and see if this needs to
go in for 3.6.1 and set target suitably -- Thanks.

Comment 2 Satyam Kandula

2010-08-16 00:25:36 EDT

Kelly, Is there a way I can reproduce the problem?

Comment 3 Satyam Kandula

2010-08-16 10:41:25 EDT

Kelly, Can you make sure of the build-id? CategoryTable doesn't exist any more. It used to exist before 7th May.

Comment 4 Satyam Kandula

2010-08-16 10:46:00 EDT

Probably a different jdt.core plugin is getting used. Can you please verify?

Comment 5 Kelly Campbell

2010-08-16 11:24:07 EDT

(In reply to comment #4)
> Probably a different jdt.core plugin is getting used. Can you please verify?

Sorry for the erroneous bug report. We built the jdt.core from a git cloned copy of the cvs repository, but somehow the commit which removed this file somehow got skipped.

Comment 6 Kelly Campbell

2010-08-16 11:41:09 EDT

FYI, the official Eclipse git repositories listed at http://dev.eclipse.org/git/index.html have the same issue.

Comment 7 Satyam Kandula

2010-08-17 05:50:45 EDT

(In reply to comment #6)
> FYI, the official Eclipse git repositories listed at
> http://dev.eclipse.org/git/index.html have the same issue.
The official git repository has CategoryTable.java but it is no longer being used. Hence, if you just delete this file, that should be good enough. 
I have raised the bug 322885 for this issue.