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Posted to notifications@groovy.apache.org by "Paul King (JIRA)" <ji...@apache.org> on 2018/03/06 23:13:01 UTC
[jira] [Closed] (GROOVY-8112) NPE in Groovy compiler when
referencing @Field in aic
[ 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}
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