Description Alex Chapiro 2004-08-05 10:53:45 EDT

While debugging my plugin, I stopped at breakpoint, then clicked to the first
line in the opened call stack:

Exception occured during problem detection:

java.lang.NullPointerException
at org.eclipse.jdt.internal.core.Buffer.removeBufferChangedListener(Buffer.java:273)
at org.eclipse.jdt.internal.core.Openable.closeBuffer(Openable.java:94)
at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:581)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:309)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:295)
at org.eclipse.jdt.internal.core.JavaElement.exists(JavaElement.java:162)
at
org.eclipse.jdt.internal.core.CompilationUnit.getImports(CompilationUnit.java:684)
at
org.eclipse.jdt.internal.core.SourceTypeElementInfo.getImports(SourceTypeElementInfo.java:126)
at
org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.convert(SourceTypeConverter.java:111)
at
org.eclipse.jdt.internal.compiler.parser.SourceTypeConverter.buildCompilationUnit(SourceTypeConverter.java:83)
at
org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.accept(CompilationUnitProblemFinder.java:100)
at
org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:113)
at
org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage(PackageBinding.java:170)
at org.eclipse.jdt.internal.compiler.lookup.Scope.getTypeOrPackage(Scope.java:1647)
at org.eclipse.jdt.internal.compiler.lookup.Scope.getType(Scope.java:1470)
at
org.eclipse.jdt.internal.compiler.ast.ArrayTypeReference.getTypeBinding(ArrayTypeReference.java:48)
at
org.eclipse.jdt.internal.compiler.ast.TypeReference.resolveType(TypeReference.java:99)
at
org.eclipse.jdt.internal.compiler.ast.LocalDeclaration.resolve(LocalDeclaration.java:137)
at org.eclipse.jdt.internal.compiler.ast.Block.resolve(Block.java:101)
at org.eclipse.jdt.internal.compiler.ast.ForStatement.resolve(ForStatement.java:300)
at org.eclipse.jdt.internal.compiler.ast.Block.resolve(Block.java:101)
at org.eclipse.jdt.internal.compiler.ast.IfStatement.resolve(IfStatement.java:228)
at
org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration.resolveStatements(AbstractMethodDeclaration.java:381)
at
org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration.resolveStatements(ConstructorDeclaration.java:426)
at
org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration.resolve(AbstractMethodDeclaration.java:359)
at
org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.resolve(TypeDeclaration.java:921)
at
org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.resolve(TypeDeclaration.java:970)
at
org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration.resolve(CompilationUnitDeclaration.java:273)
at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:564)
at
org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(CompilationUnitProblemFinder.java:176)
at
org.eclipse.jdt.internal.core.CompilationUnit.buildStructure(CompilationUnit.java:146)
at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:183)
at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:572)
at
org.eclipse.jdt.internal.core.BecomeWorkingCopyOperation.executeOperation(BecomeWorkingCopyOperation.java:38)
at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:700)
at
org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:739)
at
org.eclipse.jdt.internal.core.CompilationUnit.becomeWorkingCopy(CompilationUnit.java:78)
at
org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.createFileInfo(CompilationUnitDocumentProvider.java:835)
at
org.eclipse.ui.editors.text.TextFileDocumentProvider.connect(TextFileDocumentProvider.java:462)
at
org.eclipse.ui.texteditor.AbstractTextEditor.doSetInput(AbstractTextEditor.java:2868)
at org.eclipse.ui.texteditor.StatusTextEditor.doSetInput(StatusTextEditor.java:173)
at
org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.doSetInput(AbstractDecoratedTextEditor.java:1073)
at
org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.internalDoSetInput(JavaEditor.java:2794)
at
org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.doSetInput(JavaEditor.java:2790)
at
org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.doSetInput(CompilationUnitEditor.java:1496)
at
org.eclipse.ui.texteditor.AbstractTextEditor.setInput(AbstractTextEditor.java:2894)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.openEditor(LaunchView.java:812)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.openEditorForStackFrame(LaunchView.java:695)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.showEditorForCurrentSelection(LaunchView.java:598)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.selectionChanged(LaunchView.java:474)
at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:450)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:615)
at org.eclipse.core.runtime.Platform.run(Platform.java:747)
at
org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:448)
at
org.eclipse.jface.viewers.StructuredViewer.setSelection(StructuredViewer.java:1094)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.autoExpand(LaunchView.java:956)
at
org.eclipse.debug.internal.ui.views.launch.LaunchViewEventHandler.doHandleSuspendThreadEvent(LaunchViewEventHandler.java:225)
at
org.eclipse.debug.internal.ui.views.launch.LaunchViewEventHandler.doHandleSuspendEvent(LaunchViewEventHandler.java:185)
at
org.eclipse.debug.internal.ui.views.launch.LaunchViewEventHandler.doHandleDebugEvents(LaunchViewEventHandler.java:100)
at
org.eclipse.debug.internal.ui.views.AbstractDebugEventHandler$1.run(AbstractDebugEventHandler.java:70)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:106)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2749)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2434)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1377)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1348)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:254)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96)
at
org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:335)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.core.launcher.Main.basicRun(Main.java:183)
at org.eclipse.core.launcher.Main.run(Main.java:644)
at org.eclipse.core.launcher.Main.main(Main.java:628)


Every next clicking I've got:

Problems occurred when invoking code from plug-in: "org.eclipse.core.runtime".

java.lang.NullPointerException
at
org.eclipse.debug.internal.ui.InstructionPointerManager.addAnnotation(InstructionPointerManager.java:98)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.openEditorForStackFrame(LaunchView.java:707)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.showEditorForCurrentSelection(LaunchView.java:598)
at
org.eclipse.debug.internal.ui.views.launch.LaunchView.selectionChanged(LaunchView.java:474)
at org.eclipse.jface.viewers.StructuredViewer$3.run(StructuredViewer.java:450)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:615)
at org.eclipse.core.runtime.Platform.run(Platform.java:747)
at
org.eclipse.jface.viewers.StructuredViewer.firePostSelectionChanged(StructuredViewer.java:448)
at
org.eclipse.jface.viewers.StructuredViewer.handlePostSelect(StructuredViewer.java:708)
at
org.eclipse.jface.viewers.StructuredViewer$5.widgetSelected(StructuredViewer.java:726)
at org.eclipse.jface.util.OpenStrategy.firePostSelectionEvent(OpenStrategy.java:200)
at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:195)
at org.eclipse.jface.util.OpenStrategy$3.run(OpenStrategy.java:349)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:106)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:2749)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2434)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1377)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1348)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:254)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96)
at
org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:335)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.core.launcher.Main.basicRun(Main.java:183)
at org.eclipse.core.launcher.Main.run(Main.java:644)
at org.eclipse.core.launcher.Main.main(Main.java:628)