Eclipse plugin throws NPE when using annotation to mark DSO roots
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Key: CDV-887
URL: https://jira.terracotta.org/jira//browse/CDV-887
Project: Community Development
Issue Type: Bug
Components: Eclipse Plugin
Affects Versions: 2.6.4
Reporter: Howard Mak
Assignee: Issue Review Board
Attachments: Shared.java, tc-config.xml
Eclipse plugin throws NPE when using annotation to mark DSO roots
Reproduce case:
---------------
1. Compile + run Eclipse project using attached sources
2. Output on successive runs will be:
counter is: 1
counter is: 2
...
Indicates that Shared.s_instance is indeed a DSO root
3. Close Shared.java tab
4. Open Shared.java
Error logs will show:
Error
Exception occurred in listener of Java element change
notification
java.lang.NullPointerException
at
org.terracotta.dso.ClassInfoFactory.getClassInfo(ClassInfoFactory.java:40)
at
org.terracotta.dso.JavaModelFieldInfo.getType(JavaModelFieldInfo.java:32)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:488)
at
com.tc.aspectwerkz.expression.ast.ASTFieldPattern.jjtAccept(ASTFieldPattern.java:28)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visitAnnotatedNode(ExpressionVisitor.java:1016)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:171)
at
com.tc.aspectwerkz.expression.ast.ASTGet.jjtAccept(ASTGet.java:22)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:100)
at
com.tc.aspectwerkz.expression.ast.ASTExpression.jjtAccept(ASTExpression.java:22)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:88)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.match(ExpressionVisitor.java:74)
at
org.terracotta.dso.PatternHelper.matchesField(PatternHelper.java:72)
at
org.terracotta.dso.ConfigurationHelper.isRoot(ConfigurationHelper.java:1234)
at
org.terracotta.dso.ConfigurationHelper.isRoot(ConfigurationHelper.java:1248)
at
org.terracotta.dso.CompilationUnitVisitor.visit(CompilationUnitVisitor.java:435)
at
org.eclipse.jdt.core.dom.VariableDeclarationFragment.accept0(VariableDeclarationFragment.java:220)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at
org.eclipse.jdt.core.dom.FieldDeclaration.accept0(FieldDeclaration.java:286)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at
org.eclipse.jdt.core.dom.TypeDeclaration.accept0(TypeDeclaration.java:483)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at
org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:213)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.terracotta.dso.CompilationUnitVisitor$InspectionAction.run(CompilationUnitVisitor.java:191)
at
org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
at
org.terracotta.dso.CompilationUnitVisitor.inspect(CompilationUnitVisitor.java:167)
at
org.terracotta.dso.TcPlugin.inspect(TcPlugin.java:1411)
at
org.terracotta.dso.ElementChangedListener.elementChanged(ElementChangedListener.java:51)
at
org.eclipse.jdt.internal.core.DeltaProcessor$3.run(DeltaProcessor.java:1552)
at
org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at
org.eclipse.jdt.internal.core.DeltaProcessor.notifyListeners(DeltaProcessor.java:1542)
at
org.eclipse.jdt.internal.core.DeltaProcessor.fireReconcileDelta(DeltaProcessor.java:1395)
at
org.eclipse.jdt.internal.core.DeltaProcessor.fire(DeltaProcessor.java:1350)
at
org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:761)
at
org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:780)
at
org.eclipse.jdt.internal.core.CompilationUnit.reconcile(CompilationUnit.java:1169)
at
org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy$1.run(JavaReconcilingStrategy.java:101)
at
org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at
org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:82)
at
org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.initialReconcile(JavaReconcilingStrategy.java:176)
at
org.eclipse.jdt.internal.ui.text.CompositeReconcilingStrategy.initialReconcile(CompositeReconcilingStrategy.java:114)
at
org.eclipse.jdt.internal.ui.text.JavaCompositeReconcilingStrategy.initialReconcile(JavaCompositeReconcilingStrategy.java:122)
at
org.eclipse.jface.text.reconciler.MonoReconciler.initialProcess(MonoReconciler.java:103)
at
org.eclipse.jdt.internal.ui.text.JavaReconciler.initialProcess(JavaReconciler.java:362)
at
org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread.run(AbstractReconciler.java:170)
and
Error
Problems occurred when invoking code from plug-in:
"org.eclipse.jdt.core".
java.lang.NullPointerException
at
org.terracotta.dso.ClassInfoFactory.getClassInfo(ClassInfoFactory.java:40)
at
org.terracotta.dso.JavaModelFieldInfo.getType(JavaModelFieldInfo.java:32)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:488)
at
com.tc.aspectwerkz.expression.ast.ASTFieldPattern.jjtAccept(ASTFieldPattern.java:28)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visitAnnotatedNode(ExpressionVisitor.java:1016)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:171)
at
com.tc.aspectwerkz.expression.ast.ASTGet.jjtAccept(ASTGet.java:22)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:100)
at
com.tc.aspectwerkz.expression.ast.ASTExpression.jjtAccept(ASTExpression.java:22)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.visit(ExpressionVisitor.java:88)
at
com.tc.aspectwerkz.expression.ExpressionVisitor.match(ExpressionVisitor.java:74)
at
org.terracotta.dso.PatternHelper.matchesField(PatternHelper.java:72)
at
org.terracotta.dso.ConfigurationHelper.isRoot(ConfigurationHelper.java:1234)
at
org.terracotta.dso.ConfigurationHelper.isRoot(ConfigurationHelper.java:1248)
at
org.terracotta.dso.CompilationUnitVisitor.visit(CompilationUnitVisitor.java:435)
at
org.eclipse.jdt.core.dom.VariableDeclarationFragment.accept0(VariableDeclarationFragment.java:220)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at
org.eclipse.jdt.core.dom.FieldDeclaration.accept0(FieldDeclaration.java:286)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at
org.eclipse.jdt.core.dom.TypeDeclaration.accept0(TypeDeclaration.java:483)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2546)
at
org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:213)
at
org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2476)
at
org.terracotta.dso.CompilationUnitVisitor$InspectionAction.run(CompilationUnitVisitor.java:191)
at
org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
at
org.terracotta.dso.CompilationUnitVisitor.inspect(CompilationUnitVisitor.java:167)
at
org.terracotta.dso.TcPlugin.inspect(TcPlugin.java:1411)
at
org.terracotta.dso.ElementChangedListener.elementChanged(ElementChangedListener.java:51)
at
org.eclipse.jdt.internal.core.DeltaProcessor$3.run(DeltaProcessor.java:1552)
at
org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at
org.eclipse.jdt.internal.core.DeltaProcessor.notifyListeners(DeltaProcessor.java:1542)
at
org.eclipse.jdt.internal.core.DeltaProcessor.fireReconcileDelta(DeltaProcessor.java:1395)
at
org.eclipse.jdt.internal.core.DeltaProcessor.fire(DeltaProcessor.java:1350)
at
org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:761)
at
org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:780)
at
org.eclipse.jdt.internal.core.CompilationUnit.reconcile(CompilationUnit.java:1169)
at
org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy$1.run(JavaReconcilingStrategy.java:101)
at
org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at
org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:82)
at
org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.initialReconcile(JavaReconcilingStrategy.java:176)
at
org.eclipse.jdt.internal.ui.text.CompositeReconcilingStrategy.initialReconcile(CompositeReconcilingStrategy.java:114)
at
org.eclipse.jdt.internal.ui.text.JavaCompositeReconcilingStrategy.initialReconcile(JavaCompositeReconcilingStrategy.java:122)
at
org.eclipse.jface.text.reconciler.MonoReconciler.initialProcess(MonoReconciler.java:103)
at
org.eclipse.jdt.internal.ui.text.JavaReconciler.initialProcess(JavaReconciler.java:362)
at
org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread.run(AbstractReconciler.java:170)
Also, am not sure how, but after some series of interactions w/ Eclipse,
Eclipse will display a "NullPointerException" error in a error/warning dialog
box.
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