JDK-8161186 : NullPointerException while compiling - Stack trace provided below
  • Type: Bug
  • Component: tools
  • Sub-Component: javac
  • Affected Version: 8u92
  • Priority: P4
  • Status: Closed
  • Resolution: Cannot Reproduce
  • OS: linux
  • CPU: x86_64
  • Submitted: 2016-07-08
  • Updated: 2016-11-23
  • Resolved: 2016-11-23
Related Reports
Relates :  
JDK-8041713 - Type inference of non-existent method references crashes the compiler
Relates :  
JDK-8059511 - NPE in com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer
Description
FULL PRODUCT VERSION :


ADDITIONAL OS VERSION INFORMATION :
Ubuntu 14.04

A DESCRIPTION OF THE PROBLEM :
An exception has occurred in the compiler (1.8.0_92). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport)  after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report.  Thank you.
java.lang.NullPointerException
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.visitIdent(Flow.java:2380)
	at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:2011)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:398)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scan(Flow.java:1376)
	at com.sun.tools.javac.tree.TreeScanner.visitReference(TreeScanner.java:268)
	at com.sun.tools.javac.tree.JCTree$JCMemberReference.accept(JCTree.java:1973)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:398)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scan(Flow.java:1376)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scanExpr(Flow.java:1627)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scanExprs(Flow.java:1639)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.visitApply(Flow.java:2236)
	at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:398)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scan(Flow.java:1376)
	at com.sun.tools.javac.tree.TreeScanner.visitExec(TreeScanner.java:175)
	at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1296)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:398)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scan(Flow.java:1376)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:57)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.visitBlock(Flow.java:1846)
	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:909)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:398)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scan(Flow.java:1376)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.visitMethodDef(Flow.java:1783)
	at com.sun.tools.javac.comp.Flow$AssignAnalyzer.visitMethodDef(Flow.java:2560)
	at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:778)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:398)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scan(Flow.java:1376)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.visitClassDef(Flow.java:1736)
	at com.sun.tools.javac.comp.Flow$AssignAnalyzer.visitClassDef(Flow.java:2539)
	at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:693)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:398)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.scan(Flow.java:1376)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.analyzeTree(Flow.java:2423)
	at com.sun.tools.javac.comp.Flow$AbstractAssignAnalyzer.analyzeTree(Flow.java:2406)
	at com.sun.tools.javac.comp.Flow.analyzeTree(Flow.java:211)
	at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1327)
	at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1296)
	at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901)
	at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
	at com.sun.tools.javac.main.Main.compile(Main.java:523)
	at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129)
	at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138)
	at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:45)
	at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:33)
	at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:101)
	at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:50)
	at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:36)
	at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:34)
	at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:25)
	at org.gradle.api.tasks.compile.JavaCompile.performCompilation(JavaCompile.java:157)
	at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:137)
	at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:91)
	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:483)
	at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)
	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.doExecute(AnnotationProcessingTaskFactory.java:243)
	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:219)
	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.execute(AnnotationProcessingTaskFactory.java:230)
	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:208)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
	at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
	at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
	at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
	at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)
	at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
	at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
	at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:208)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:186)
	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:62)
	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:25)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:111)
	at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)
	at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
	at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)
	at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:68)
	at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
	at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
	at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:55)
	at org.gradle.initialization.DefaultGradleLauncher$6.run(DefaultGradleLauncher.java:174)
	at org.gradle.internal.Factories$1.create(Factories.java:22)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:47)
	at org.gradle.initialization.DefaultGradleLauncher.runBuildOperation(DefaultGradleLauncher.java:189)
	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:171)
	at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:35)
	at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:104)
	at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:97)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)
	at org.gradle.initialization.DefaultGradleLauncher.runRootBuildOperation(DefaultGradleLauncher.java:184)
	at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:97)
	at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:86)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:93)
	at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:43)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:27)
	at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:72)
	at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:44)
	at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:50)
	at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:27)
	at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:40)
	at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:170)
	at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)
	at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)
	at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)
	at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
	at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)
	at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)
	at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
	at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
	at org.gradle.launcher.Main.doAction(Main.java:33)
	at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
	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:483)
	at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)
	at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)
	at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
	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:483)
	at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:30)
	at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:127)
	at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)


REPRODUCIBILITY :
This bug can be reproduced always.
Comments
This issue is not reproducible on 8u92 and 9 ea b-125 below are the result 8u25 - Fail 8u74 - Fail 8u92 - Pass 9 ea b-125 - Pass Hence closing as Cannot reproduce
23-11-2016
This issue occurs in 8u91, but 8u92 has fix for this. 8u91 - Fail 8u92 - Pass
12-07-2016
This issue is not reproducible on 8u92 and 9 ea b-125 version Below is the result == -sh-4.1$ /opt/java/jdk1.8.0_74/bin/javac Parent.java Test.java anotherpackage/Something.java An exception has occurred in the compiler (1.8.0_74). Please file a bug against the Java compiler via the Java bug reporting page (http://bugreport.java.com) after checking the Bug Database (http://bugs.java.com) for duplicates. Include your program and the following diagnostic in your report. Thank you. java.lang.NullPointerException at com.sun.tools.javac.comp.Flow$AssignAnalyzer.visitIdent(Flow.java:2403) at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:2011) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:404) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scan(Flow.java:1382) at com.sun.tools.javac.tree.TreeScanner.visitReference(TreeScanner.java:268) at com.sun.tools.javac.tree.JCTree$JCMemberReference.accept(JCTree.java:1973) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:404) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scan(Flow.java:1382) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scanExpr(Flow.java:1635) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scanExprs(Flow.java:1647) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.visitApply(Flow.java:2259) at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:404) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scan(Flow.java:1382) at com.sun.tools.javac.tree.TreeScanner.visitExec(TreeScanner.java:175) at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1296) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:404) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scan(Flow.java:1382) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:57) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.visitBlock(Flow.java:1883) at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:909) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:404) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scan(Flow.java:1382) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.visitMethodDef(Flow.java:1811) at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:778) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:404) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scan(Flow.java:1382) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.visitClassDef(Flow.java:1749) at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:693) at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49) at com.sun.tools.javac.comp.Flow$BaseAnalyzer.scan(Flow.java:404) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.scan(Flow.java:1382) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.analyzeTree(Flow.java:2446) at com.sun.tools.javac.comp.Flow$AssignAnalyzer.analyzeTree(Flow.java:2429) at com.sun.tools.javac.comp.Flow.analyzeTree(Flow.java:211) at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1327) at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1296) at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901) at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860) at com.sun.tools.javac.main.Main.compile(Main.java:523) at com.sun.tools.javac.main.Main.compile(Main.java:381) at com.sun.tools.javac.main.Main.compile(Main.java:370) at com.sun.tools.javac.main.Main.compile(Main.java:361) at com.sun.tools.javac.Main.compile(Main.java:56) at com.sun.tools.javac.Main.main(Main.java:42) -sh-4.1$ /opt/java/jdk1.8.0_92/bin/javac Parent.java Test.java anotherpackage/Something.java Test.java:6: error: cannot find symbol super(Something::getAProperty); ^ symbol: variable Something location: class Test 1 error -sh-4.1$ /opt/java/jdk-9_ea-125/bin/javac Parent.java Test.java anotherpackage/Something.java Test.java:6: error: cannot find symbol super(Something::getAProperty); ^ symbol: variable Something location: class Test 1 error ==
12-07-2016
This issue looks related to JDK-8059511, JDK-8041713, having the same stack trace. Both the issues have been fixed in earlier version of 8 and hence should not have observed on 8u92. Reproducer testcase is required to validate this issue
11-07-2016