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Code assist internal error caused by NullPointerException in TypeInferencingVisitorWithRequestor.visitBinaryExpression() #154

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ebiggers opened this issue Nov 16, 2015 · 1 comment
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Code assist internal error caused by NullPointerException in TypeInferencingVisitorWithRequestor.visitBinaryExpression() #154

ebiggers opened this issue Nov 16, 2015 · 1 comment

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@ebiggers
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When searching for references for a certain member variable in my workspace, the groovy eclipse plugin (version 2.9.1.xx-2014110613, with Eclipse 4.4.2) spews the following stacktrace:

java.lang.NullPointerException
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBinaryExpression(TypeInferencingVisitorWithRequestor.java:1052)
    at org.codehaus.groovy.ast.expr.BinaryExpression.visit(BinaryExpression.java:49)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitListOfExpressions(CodeVisitorSupport.java:278)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitTupleExpression(CodeVisitorSupport.java:180)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitTupleExpression(TypeInferencingVisitorWithRequestor.java:1913)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitArgumentlistExpression(TypeInferencingVisitorWithRequestor.java:970)
    at org.codehaus.groovy.ast.expr.ArgumentListExpression.visit(ArgumentListExpression.java:74)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitMethodCallExpression(TypeInferencingVisitorWithRequestor.java:1668)
    at org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:64)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitExpressionStatement(CodeVisitorSupport.java:71)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitExpressionStatement(ClassCodeVisitorSupport.java:236)
    at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:40)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:37)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:206)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBlockStatement(TypeInferencingVisitorWithRequestor.java:1408)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitIfElse(CodeVisitorSupport.java:58)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitIfElse(ClassCodeVisitorSupport.java:246)
    at org.codehaus.groovy.ast.stmt.IfStatement.visit(IfStatement.java:41)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:37)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:206)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBlockStatement(TypeInferencingVisitorWithRequestor.java:1408)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitClosureExpression(CodeVisitorSupport.java:176)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitClosureExpression(TypeInferencingVisitorWithRequestor.java:1319)
    at org.codehaus.groovy.ast.expr.ClosureExpression.visit(ClosureExpression.java:43)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitListOfExpressions(CodeVisitorSupport.java:278)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitTupleExpression(CodeVisitorSupport.java:180)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitTupleExpression(TypeInferencingVisitorWithRequestor.java:1913)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitArgumentlistExpression(TypeInferencingVisitorWithRequestor.java:970)
    at org.codehaus.groovy.ast.expr.ArgumentListExpression.visit(ArgumentListExpression.java:74)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitMethodCallExpression(TypeInferencingVisitorWithRequestor.java:1668)
    at org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:64)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitReturnStatement(CodeVisitorSupport.java:75)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitReturnStatement(ClassCodeVisitorSupport.java:251)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitReturnStatement(TypeInferencingVisitorWithRequestor.java:1423)
    at org.codehaus.groovy.ast.stmt.ReturnStatement.visit(ReturnStatement.java:47)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:37)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:206)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBlockStatement(TypeInferencingVisitorWithRequestor.java:1408)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:103)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:114)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitConstructorOrMethod(TypeInferencingVisitorWithRequestor.java:842)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitJDT(TypeInferencingVisitorWithRequestor.java:571)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitJDT(TypeInferencingVisitorWithRequestor.java:404)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitCompilationUnit(TypeInferencingVisitorWithRequestor.java:352)
    at org.codehaus.jdt.groovy.integration.internal.GroovyLanguageSupport.maybePerformDelegatedSearch(GroovyLanguageSupport.java:199)
    at org.codehaus.jdt.groovy.integration.LanguageSupportFactory.maybePerformDelegatedSearch(LanguageSupportFactory.java:107)
    at org.eclipse.jdt.internal.core.search.matching.MatchLocator.locateMatches(MatchLocator.java:1106)
    at org.eclipse.jdt.internal.core.search.matching.MatchLocator.locateMatches(MatchLocator.java:1238)
    at org.eclipse.jdt.internal.core.search.matching.MatchLocator.locateMatches(MatchLocator.java:1370)
    at org.eclipse.jdt.internal.core.search.JavaSearchParticipant.locateMatches(JavaSearchParticipant.java:122)
    at org.eclipse.jdt.internal.core.search.BasicSearchEngine.findMatches(BasicSearchEngine.java:232)
    at org.eclipse.jdt.internal.core.search.BasicSearchEngine.search(BasicSearchEngine.java:516)
    at org.eclipse.jdt.core.search.SearchEngine.search(SearchEngine.java:592)
    at org.eclipse.jdt.internal.ui.search.JavaSearchQuery.run(JavaSearchQuery.java:144)
    at org.eclipse.search2.internal.ui.InternalSearchUI$InternalSearchJob.run(InternalSearchUI.java:91)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
@ebiggers
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Still occurs with groovy-eclipse version 2.9.2.xx-201601131831-e45 with Eclipse 4.5.2.

!ENTRY org.eclipse.jdt.core 4 0 2016-02-29 12:02:04.737
!MESSAGE Code assist internal error
!STACK 0
java.lang.NullPointerException
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBinaryExpression(TypeInferencingVisitorWithRequestor.java:1052)
    at org.codehaus.groovy.ast.expr.BinaryExpression.visit(BinaryExpression.java:49)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitListOfExpressions(CodeVisitorSupport.java:278)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitTupleExpression(CodeVisitorSupport.java:180)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitTupleExpression(TypeInferencingVisitorWithRequestor.java:1913)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitArgumentlistExpression(TypeInferencingVisitorWithRequestor.java:970)
    at org.codehaus.groovy.ast.expr.ArgumentListExpression.visit(ArgumentListExpression.java:74)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitMethodCallExpression(TypeInferencingVisitorWithRequestor.java:1668)
    at org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:64)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitExpressionStatement(CodeVisitorSupport.java:71)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitExpressionStatement(ClassCodeVisitorSupport.java:236)
    at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:40)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:37)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:206)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBlockStatement(TypeInferencingVisitorWithRequestor.java:1408)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitIfElse(CodeVisitorSupport.java:58)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitIfElse(ClassCodeVisitorSupport.java:246)
    at org.codehaus.groovy.ast.stmt.IfStatement.visit(IfStatement.java:41)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:37)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:206)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBlockStatement(TypeInferencingVisitorWithRequestor.java:1408)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitClosureExpression(CodeVisitorSupport.java:176)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitClosureExpression(TypeInferencingVisitorWithRequestor.java:1319)
    at org.codehaus.groovy.ast.expr.ClosureExpression.visit(ClosureExpression.java:43)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitListOfExpressions(CodeVisitorSupport.java:278)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitTupleExpression(CodeVisitorSupport.java:180)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitTupleExpression(TypeInferencingVisitorWithRequestor.java:1913)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitArgumentlistExpression(TypeInferencingVisitorWithRequestor.java:970)
    at org.codehaus.groovy.ast.expr.ArgumentListExpression.visit(ArgumentListExpression.java:74)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitMethodCallExpression(TypeInferencingVisitorWithRequestor.java:1668)
    at org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:64)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitReturnStatement(CodeVisitorSupport.java:75)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitReturnStatement(ClassCodeVisitorSupport.java:251)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitReturnStatement(TypeInferencingVisitorWithRequestor.java:1423)
    at org.codehaus.groovy.ast.stmt.ReturnStatement.visit(ReturnStatement.java:47)
    at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:37)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:206)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBlockStatement(TypeInferencingVisitorWithRequestor.java:1408)
    at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:103)
    at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:114)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitConstructorOrMethod(TypeInferencingVisitorWithRequestor.java:842)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitJDT(TypeInferencingVisitorWithRequestor.java:571)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitJDT(TypeInferencingVisitorWithRequestor.java:404)
    at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitCompilationUnit(TypeInferencingVisitorWithRequestor.java:352)
    at org.codehaus.jdt.groovy.integration.internal.GroovyLanguageSupport.maybePerformDelegatedSearch(GroovyLanguageSupport.java:199)
    at org.codehaus.jdt.groovy.integration.LanguageSupportFactory.maybePerformDelegatedSearch(LanguageSupportFactory.java:110)
    at org.eclipse.jdt.internal.core.search.matching.MatchLocator.locateMatches(MatchLocator.java:1203)
    at org.eclipse.jdt.internal.core.search.matching.MatchLocator.locateMatches(MatchLocator.java:1335)
    at org.eclipse.jdt.internal.core.search.matching.MatchLocator.locateMatches(MatchLocator.java:1452)
    at org.eclipse.jdt.internal.core.search.JavaSearchParticipant.locateMatches(JavaSearchParticipant.java:122)
    at org.eclipse.jdt.internal.core.search.BasicSearchEngine.findMatches(BasicSearchEngine.java:232)
    at org.eclipse.jdt.internal.core.search.BasicSearchEngine.search(BasicSearchEngine.java:516)
    at org.eclipse.jdt.core.search.SearchEngine.search(SearchEngine.java:592)
    at org.codehaus.groovy.eclipse.core.search.SyntheticAccessorSearchRequestor.findSyntheticMatches(SyntheticAccessorSearchRequestor.java:372)
    at org.codehaus.groovy.eclipse.search.SyntheticAccessorQueryParticipant.search(SyntheticAccessorQueryParticipant.java:124)
    at org.eclipse.jdt.internal.ui.search.JavaSearchQuery$2.run(JavaSearchQuery.java:164)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.jdt.internal.ui.search.JavaSearchQuery.run(JavaSearchQuery.java:170)
    at org.eclipse.search2.internal.ui.InternalSearchUI$InternalSearchJob.run(InternalSearchUI.java:91)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

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@ebiggers @eric-milles