[ https://issues.apache.org/jira/browse/GROOVY-8112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paul King closed GROOVY-8112. ----------------------------- > NPE in Groovy compiler when referencing @Field in aic > ----------------------------------------------------- > > Key: GROOVY-8112 > URL: https://issues.apache.org/jira/browse/GROOVY-8112 > Project: Groovy > Issue Type: Bug > Components: xforms > Affects Versions: 2.4.9 > Environment: Windows 8 x64 > Reporter: Alexey Vladykin > Assignee: Paul King > Priority: Major > Fix For: 2.4.13 > > > The following Groovy script causes NPE at compile time: > {code:java|title=Bug.groovy} > @Grapes([ > @Grab("org.slf4j:slf4j-api:1.7.22"), > @Grab("org.apache.kafka:kafka-clients:0.10.2.0") > ]) > import groovy.transform.Field > import org.apache.kafka.clients.producer.Callback > import org.apache.kafka.clients.producer.KafkaProducer > import org.apache.kafka.clients.producer.ProducerRecord > import org.apache.kafka.clients.producer.RecordMetadata > import org.slf4j.Logger > import org.slf4j.LoggerFactory > @Field static final Logger logger = LoggerFactory.getLogger(Bug.class) > wrapper { > Properties config = new Properties() > KafkaProducer kafkaProducer = new KafkaProducer<>(config) > kafkaProducer.send(new ProducerRecord<>('topic', 'data'), new Callback() { > @Override > void onCompletion(RecordMetadata recordMetadata, Exception e) { > if (e != null) { > logger.error("Error sending to Kafka", e) > } > } > }) > } > {code} > Full error message from groovyc: > {code:none} > org.codehaus.groovy.control.MultipleCompilationErrorsException: startup > failed: > General error during class generation: NPE while processing Bug.groovy > groovy.lang.GroovyRuntimeException: NPE while processing Bug.groovy > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:258) > at > org.codehaus.groovy.control.CompilationUnit$16.call(CompilationUnit.java:813) > at > org.codehaus.groovy.control.CompilationUnit$16.call(CompilationUnit.java:830) > at > org.codehaus.groovy.control.CompilationUnit.applyToPrimaryClassNodes(CompilationUnit.java:1053) > at > org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:591) > at > org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:569) > at > org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:546) > at > org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:525) > 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.classgen.AsmClassGenerator.visitFieldExpression(AsmClassGenerator.java:1049) > at > org.codehaus.groovy.classgen.asm.ClosureWriter.loadReference(ClosureWriter.java:135) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.loadVariableWithReference(InvocationWriter.java:611) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.writeAICCall(InvocationWriter.java:596) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.writeInvokeConstructor(InvocationWriter.java:571) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorCallExpression(AsmClassGenerator.java:818) > at > org.codehaus.groovy.ast.expr.ConstructorCallExpression.visit(ConstructorCallExpression.java:46) > at > org.codehaus.groovy.classgen.asm.CallSiteWriter.makeCallSite(CallSiteWriter.java:303) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.makeCachedCall(InvocationWriter.java:307) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.makeCall(InvocationWriter.java:392) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.makeCall(InvocationWriter.java:104) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.makeInvokeMethodCall(InvocationWriter.java:88) > at > org.codehaus.groovy.classgen.asm.InvocationWriter.writeInvokeMethod(InvocationWriter.java:459) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitMethodCallExpression(AsmClassGenerator.java:767) > at > org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:66) > at > org.codehaus.groovy.classgen.asm.StatementWriter.writeReturn(StatementWriter.java:589) > at > org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.writeReturn(OptimizingStatementWriter.java:319) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitReturnStatement(AsmClassGenerator.java:616) > at > org.codehaus.groovy.ast.stmt.ReturnStatement.visit(ReturnStatement.java:49) > at > org.codehaus.groovy.classgen.asm.StatementWriter.writeBlockStatement(StatementWriter.java:84) > at > org.codehaus.groovy.classgen.asm.OptimizingStatementWriter.writeBlockStatement(OptimizingStatementWriter.java:158) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitBlockStatement(AsmClassGenerator.java:566) > at > org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:71) > at > org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:104) > at > org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:115) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitStdMethod(AsmClassGenerator.java:430) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorOrMethod(AsmClassGenerator.java:387) > at > org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:126) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitMethod(AsmClassGenerator.java:507) > at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1078) > at > org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:53) > at > org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:233) > ... 18 more > 1 error > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)