[ https://issues.apache.org/jira/browse/GROOVY-8204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul King closed GROOVY-8204. ----------------------------- > @Delegate on arrays causes NPE during compilation > ------------------------------------------------- > > Key: GROOVY-8204 > URL: https://issues.apache.org/jira/browse/GROOVY-8204 > Project: Groovy > Issue Type: Bug > Affects Versions: 2.4.11 > Reporter: Krzysztof SzafraĆski > Assignee: Paul King > Priority: Minor > Fix For: 2.4.12 > > > I have stumbled upon this bug partly by accident, and I'm not convinced it's > a valid use case, but either way it should not crash the compiler with a NPE. > Trying to compile the following simple class: > {code} > import groovy.lang.Delegate > class BugsMe { > @Delegate > byte[] file > } > {code} > Results in the following exception: > {code} > >>> a serious error occurred: BUG! exception in phase 'canonicalization' in > >>> source unit 'BugsMe.groovy' unexpected NullpointerException > >>> stacktrace: > BUG! exception in phase 'canonicalization' in source unit 'BugsMe.groovy' > unexpected NullpointerException > at > org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1070) > at > org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:603) > at > org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:581) > at > org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:558) > at > org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:537) > at > org.codehaus.groovy.tools.FileSystemCompiler.compile(FileSystemCompiler.java:61) > at > org.codehaus.groovy.tools.FileSystemCompiler.doCompilation(FileSystemCompiler.java:217) > at > org.codehaus.groovy.tools.FileSystemCompiler.commandLineCompile(FileSystemCompiler.java:150) > at > org.codehaus.groovy.tools.FileSystemCompiler.commandLineCompileWithErrorHandling(FileSystemCompiler.java:180) > at > org.codehaus.groovy.tools.FileSystemCompiler.main(FileSystemCompiler.java:164) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.codehaus.groovy.tools.GroovyStarter.rootLoader(GroovyStarter.java:109) > at org.codehaus.groovy.tools.GroovyStarter.main(GroovyStarter.java:131) > Caused by: java.lang.NullPointerException > at > org.codehaus.groovy.ast.ClassHelper.getNextSuperClass(ClassHelper.java:454) > at > org.codehaus.groovy.ast.ClassHelper.getNextSuperClass(ClassHelper.java:449) > at > org.codehaus.groovy.ast.tools.GenericsUtils.extractSuperClassGenerics(GenericsUtils.java:444) > at > org.codehaus.groovy.transform.DelegateASTTransformation.addDelegateMethod(DelegateASTTransformation.java:233) > at > org.codehaus.groovy.transform.DelegateASTTransformation.visit(DelegateASTTransformation.java:129) > at > org.codehaus.groovy.transform.ASTTransformationVisitor.visitClass(ASTTransformationVisitor.java:134) > at > org.codehaus.groovy.transform.ASTTransformationVisitor$2.call(ASTTransformationVisitor.java:178) > at > org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1065) > ... 15 more > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)