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I don't often look in the console window that eclipse is running in but I just happend to do so this time and here is what I saw: java.lang.NullPointerException at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.convert( SourceTypeConverter.java:117) at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.buildCom pilationUnit(SourceTypeConverter.java:77) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.accept(Com pilationUnitProblemFinder.java:99) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType (LookupEnvironment.java:106) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPack age(PackageBinding.java:173) at org.eclipse.jdt.internal.compiler.lookup.Scope.getTypeOrPackage(Scope .java:1322) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype(Cla ssScope.java:789) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperInter faces(ClassScope.java:627) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierar chyWithoutMembers(ClassScope.java:704) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.detectCycle(Class Scope.java:769) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype(Cla ssScope.java:825) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperInter faces(ClassScope.java:627) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierar chyWithoutMembers(ClassScope.java:704) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.detectCycle(Class Scope.java:769) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype(Cla ssScope.java:825) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperInter faces(ClassScope.java:627) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierar chy(ClassScope.java:676) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.connect TypeHierarchy(CompilationUnitScope.java:252) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.completeTy peBindings(LookupEnvironment.java:170) at org.eclipse.jdt.internal.compiler.Compiler.beginToCompile(Compiler.ja va:310) at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:574) at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:633) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(Co mpilationUnitProblemFinder.java:209) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(Co mpilationUnitProblemFinder.java:240) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.executeOp eration(ReconcileWorkingCopyOperation.java:62) at org.eclipse.jdt.internal.core.JavaModelOperation.execute(JavaModelOpe ration.java:365) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperati on.java:704) at org.eclipse.jdt.internal.core.JavaElement.runOperation(JavaElement.ja va:535) at org.eclipse.jdt.internal.core.WorkingCopy.reconcile(WorkingCopy.java: 524) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconci le(JavaReconcilingStrategy.java:72) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.initial Reconcile(JavaReconcilingStrategy.java:126) at org.eclipse.jface.text.reconciler.MonoReconciler.initialProcess(MonoR econciler.java:104) at org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread .run(AbstractReconciler.java:155) java.lang.NullPointerException at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.convert( SourceTypeConverter.java:117) at org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.buildCom pilationUnit(SourceTypeConverter.java:77) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.accept(Com pilationUnitProblemFinder.java:99) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType (LookupEnvironment.java:106) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPack age(PackageBinding.java:173) at org.eclipse.jdt.internal.compiler.lookup.Scope.getTypeOrPackage(Scope .java:1322) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype(Cla ssScope.java:789) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperInter faces(ClassScope.java:627) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierar chyWithoutMembers(ClassScope.java:704) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.detectCycle(Class Scope.java:769) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype(Cla ssScope.java:825) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperInter faces(ClassScope.java:627) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierar chyWithoutMembers(ClassScope.java:704) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.detectCycle(Class Scope.java:769) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.findSupertype(Cla ssScope.java:825) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectSuperInter faces(ClassScope.java:627) at org.eclipse.jdt.internal.compiler.lookup.ClassScope.connectTypeHierar chy(ClassScope.java:676) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.connect TypeHierarchy(CompilationUnitScope.java:252) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.completeTy peBindings(LookupEnvironment.java:170) at org.eclipse.jdt.internal.compiler.Compiler.beginToCompile(Compiler.ja va:310) at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:574) at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:633) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(Co mpilationUnitProblemFinder.java:209) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(Co mpilationUnitProblemFinder.java:240) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.executeOp eration(ReconcileWorkingCopyOperation.java:62) at org.eclipse.jdt.internal.core.JavaModelOperation.execute(JavaModelOpe ration.java:365) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperati on.java:704) at org.eclipse.jdt.internal.core.JavaElement.runOperation(JavaElement.ja va:535) at org.eclipse.jdt.internal.core.WorkingCopy.reconcile(WorkingCopy.java: 524) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconci le(JavaReconcilingStrategy.java:72) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.initial Reconcile(JavaReconcilingStrategy.java:126) at org.eclipse.jface.text.reconciler.MonoReconciler.initialProcess(MonoR econciler.java:104) at org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread .run(AbstractReconciler.java:155)
P.S. I am using version 200306051737 (M1)
Which VM are you using to run Eclipse on ?
Z:\>java -version java version "1.4.2-beta" Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-beta-b19) Java HotSpot(TM) Client VM (build 1.4.2-beta-b19, mixed mode) (From Sun)
*** This bug has been marked as a duplicate of 36854 ***