[GROOVY-1064] Compiler throws NPE when it can't find an imported class

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0-JSR-3
• Fix Version/s: 1.0-JSR-4
• Component/s: class generator
• Assignee: James Strachan
• Reporter: John Wilson
• Created: 16/Sep/05 06:16
• Updated: 16/Sep/05 06:29
• Resolved: 16/Sep/05 06:29

Description

import groovy.util.NotThere

def a = new NotThere()

produces the following stack trace during compilation:
General error during class generation: java.lang.NullPointerException

java.lang.NullPointerException
at org.codehaus.groovy.classgen.AsmClassGenerator.visitClassExpression(AsmClassGenerator.java:2407)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorCallExpression(AsmClassGenerator.java:1705)
at org.codehaus.groovy.ast.expr.ConstructorCallExpression.visit(ConstructorCallExpression.java:76)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitAndAutoboxBoolean(AsmClassGenerator.java:3248)
at org.codehaus.groovy.classgen.AsmClassGenerator.evaluateEqual(AsmClassGenerator.java:3162)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitBinaryExpression(AsmClassGenerator.java:1071)
at org.codehaus.groovy.ast.CodeVisitorSupport.visitDeclarationExpression(CodeVisitorSupport.java:529)
at org.codehaus.groovy.ast.expr.DeclarationExpression.visit(DeclarationExpression.java:65)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitAndAutoboxBoolean(AsmClassGenerator.java:3248)
at org.codehaus.groovy.classgen.AsmClassGenerator.evaluateExpression(AsmClassGenerator.java:1039)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitReturnStatement(AsmClassGenerator.java:983)
at org.codehaus.groovy.ast.stmt.ReturnStatement.visit(ReturnStatement.java:69)
at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:165)
at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:79)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitMethod(AsmClassGenerator.java:401)
at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:777)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:300)
at org.codehaus.groovy.control.CompilationUnit$3.call(CompilationUnit.java:611)
at org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:851)
at org.codehaus.groovy.control.CompilationUnit.classgen(CompilationUnit.java:557)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:462)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:271)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:234)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:184)
at groovy.lang.GroovyShell$1.run(GroovyShell.java:266)
at java.security.AccessController.doPrivileged(Native Method)
at groovy.lang.GroovyShell.run(GroovyShell.java:264)
at groovy.lang.GroovyShell.run(GroovyShell.java:208)
at groovy.ui.GroovyMain.processOnce(GroovyMain.java:450)
at groovy.ui.GroovyMain.run(GroovyMain.java:276)
at groovy.ui.GroovyMain.process(GroovyMain.java:262)
at groovy.ui.GroovyMain.main(GroovyMain.java:138)
at groovy.lang.GroovyShell.main(GroovyShell.java:121)

1 Error