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Bug 406553

Summary:	NullPointerException at org.eclipse.jdt.internal.compiler.flow.UnconditionalFlowInfo.isDefinitelyUnknown
Product:	[Eclipse Project] JDT	Reporter:	Johan Compagner <jcompagner>
Component:	Core	Assignee:	Stephan Herrmann <stephan.herrmann>
Status:	VERIFIED DUPLICATE	QA Contact:
Severity:	normal
Priority:	P3	CC:	jarthana, Olivier_Thomann, stephan.herrmann
Version:	4.3
Target Milestone:	4.3 M7
Hardware:	PC
OS:	Windows 8
Whiteboard:

Description Johan Compagner

2013-04-25 09:13:05 EDT

i upgraded from last weeks i build to this weeks:

eclipse.buildId=4.3.0.I20130423-0800

and suddenly in 2 files i get the above error, full stack:

java.lang.NullPointerException
	at org.eclipse.jdt.internal.compiler.flow.UnconditionalFlowInfo.isDefinitelyUnknown(UnconditionalFlowInfo.java:814)
	at org.eclipse.jdt.internal.compiler.flow.LoopingFlowContext.recordUsingNullReference(LoopingFlowContext.java:574)
	at org.eclipse.jdt.internal.compiler.flow.LoopingFlowContext.complainOnDeferredNullChecks(LoopingFlowContext.java:289)
	at org.eclipse.jdt.internal.compiler.ast.WhileStatement.analyseCode(WhileStatement.java:139)
	at org.eclipse.jdt.internal.compiler.ast.Block.analyseCode(Block.java:43)
	at org.eclipse.jdt.internal.compiler.ast.IfStatement.analyseCode(IfStatement.java:105)
	at org.eclipse.jdt.internal.compiler.ast.Block.analyseCode(Block.java:43)
	at org.eclipse.jdt.internal.compiler.ast.ForStatement.analyseCode(ForStatement.java:146)
	at org.eclipse.jdt.internal.compiler.ast.Block.analyseCode(Block.java:43)
	at org.eclipse.jdt.internal.compiler.ast.IfStatement.analyseCode(IfStatement.java:105)
	at org.eclipse.jdt.internal.compiler.ast.Block.analyseCode(Block.java:43)
	at org.eclipse.jdt.internal.compiler.ast.IfStatement.analyseCode(IfStatement.java:105)
	at org.eclipse.jdt.internal.compiler.ast.IfStatement.analyseCode(IfStatement.java:133)
	at org.eclipse.jdt.internal.compiler.ast.IfStatement.analyseCode(IfStatement.java:133)
	at org.eclipse.jdt.internal.compiler.ast.Block.analyseCode(Block.java:43)
	at org.eclipse.jdt.internal.compiler.ast.TryStatement.analyseCode(TryStatement.java:273)
	at org.eclipse.jdt.internal.compiler.ast.MethodDeclaration.analyseCode(MethodDeclaration.java:113)
	at org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.internalAnalyseCode(TypeDeclaration.java:732)
	at org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.analyseCode(TypeDeclaration.java:257)
	at org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration.analyseCode(CompilationUnitDeclaration.java:111)
	at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:923)
	at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:965)
	at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(CompilationUnitProblemFinder.java:203)
	at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(CompilationUnitProblemFinder.java:269)
	at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.makeConsistent(ReconcileWorkingCopyOperation.java:190)
	at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.executeOperation(ReconcileWorkingCopyOperation.java:89)
	at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:728)
	at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:788)
	at org.eclipse.jdt.internal.core.CompilationUnit.reconcile(CompilationUnit.java:1247)
	at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:126)
	at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.access$0(JavaReconcilingStrategy.java:108)
	at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy$1.run(JavaReconcilingStrategy.java:89)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:87)
	at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:151)
	at org.eclipse.jdt.internal.ui.text.CompositeReconcilingStrategy.reconcile(CompositeReconcilingStrategy.java:86)
	at org.eclipse.jdt.internal.ui.text.JavaCompositeReconcilingStrategy.reconcile(JavaCompositeReconcilingStrategy.java:104)
	at org.eclipse.jface.text.reconciler.MonoReconciler.process(MonoReconciler.java:77)
	at org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread.run(AbstractReconciler.java:206)

Comment 1 Olivier Thomann

2013-04-25 09:23:31 EDT


*** This bug has been marked as a duplicate of bug 406384 ***

Comment 2 Stephan Herrmann

2013-04-25 09:25:09 EDT

That one has already been fixed.
Unfortunately we won't have another I build before Sunday.
Can you either upgrade to an N build or revert to an I build before 2013-04-19?

Comment 3 Johan Compagner

2013-04-25 10:01:04 EDT

reverting doesn't really work for me most of the time. (yes i need to be more careful when updating really doing it feature for feature not all in once)

i already created another case for this:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=406552

i guess i will just comment out the offending code for now.

the eclipse revert or install/reinstall should really be much better.
You should be able to revert 1 specific feature or things like that.

Comment 4 Jay Arthanareeswaran

2013-04-30 07:33:09 EDT

Verified for 4.3 M7 with build I20130428-2000