An unhandled exception was thrown by the Error Prone static analysis plugin. #3436
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I'm running errorprone as part of my normal Java compilation process (just updated to 2.15.0) and got this error message:
error-prone version: 2.15.0 BugPattern: Immutable Stack Trace: java.lang.NullPointerException: Cannot invoke "com.google.errorprone.util.ASTHelpers$TargetType.type()" because the return value of "com.google.errorprone.util.ASTHelpers.targetType(com.google.errorprone.VisitorState)" is null at com.google.errorprone.bugpatterns.threadsafety.ImmutableChecker.matchMemberReference(ImmutableChecker.java:146) at com.google.errorprone.scanner.ErrorProneScanner.processMatchers(ErrorProneScanner.java:449) at com.google.errorprone.scanner.ErrorProneScanner.visitMemberReference(ErrorProneScanner.java:715) at com.google.errorprone.scanner.ErrorProneScanner.visitMemberReference(ErrorProneScanner.java:150) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMemberReference.accept(JCTree.java:2546) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48) at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at jdk.compiler/com.sun.source.util.TreeScanner.visitCase(TreeScanner.java:401) at com.google.errorprone.scanner.ErrorProneScanner.visitCase(ErrorProneScanner.java:534) at com.google.errorprone.scanner.ErrorProneScanner.visitCase(ErrorProneScanner.java:150) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCase.accept(JCTree.java:1357) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48) at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at jdk.compiler/com.sun.source.util.TreeScanner.visitSwitchExpression(TreeScanner.java:384) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCSwitchExpression.accept(JCTree.java:1390) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48) at jdk.compiler/com.sun.source.util.TreeScanner.visitReturn(TreeScanner.java:544) at com.google.errorprone.scanner.ErrorProneScanner.visitReturn(ErrorProneScanner.java:817) at com.google.errorprone.scanner.ErrorProneScanner.visitReturn(ErrorProneScanner.java:150) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCReturn.accept(JCTree.java:1717) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48) at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272) at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:520) at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:150) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1103) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48) at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at jdk.compiler/com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:224) at com.google.errorprone.scanner.ErrorProneScanner.visitMethod(ErrorProneScanner.java:740) at com.google.errorprone.scanner.ErrorProneScanner.visitMethod(ErrorProneScanner.java:150) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:953) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48) at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96) at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at jdk.compiler/com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:203) at com.google.errorprone.scanner.ErrorProneScanner.visitClass(ErrorProneScanner.java:548) at com.google.errorprone.scanner.ErrorProneScanner.visitClass(ErrorProneScanner.java:150) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:860) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48) at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111) at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119) at jdk.compiler/com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:152) at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:560) at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:150) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:614) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:60) at com.google.errorprone.scanner.Scanner.scan(Scanner.java:58) at com.google.errorprone.scanner.ErrorProneScannerTransformer.apply(ErrorProneScannerTransformer.java:43) at com.google.errorprone.ErrorProneAnalyzer.finished(ErrorProneAnalyzer.java:152) at jdk.compiler/com.sun.tools.javac.api.MultiTaskListener.finished(MultiTaskListener.java:132) at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1394) at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1341) at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:933) at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.lambda$doCall$0(JavacTaskImpl.java:104) at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.invocationHelper(JavacTaskImpl.java:152) at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:100) at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:94) at org.gradle.internal.compiler.java.IncrementalCompileTask.call(IncrementalCompileTask.java:89) at org.gradle.api.internal.tasks.compile.AnnotationProcessingCompileTask.call(AnnotationProcessingCompileTask.java:94) at org.gradle.api.internal.tasks.compile.ResourceCleaningCompilationTask.call(ResourceCleaningCompilationTask.java:57) at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:54) at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:39) at org.gradle.api.internal.tasks.compile.daemon.AbstractDaemonCompiler$CompilerWorkAction.execute(AbstractDaemonCompiler.java:135) at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:63) at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:49) at org.gradle.workers.internal.AbstractClassLoaderWorker$1.create(AbstractClassLoaderWorker.java:43) at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:97) at org.gradle.workers.internal.AbstractClassLoaderWorker.executeInClassLoader(AbstractClassLoaderWorker.java:43) at org.gradle.workers.internal.FlatClassLoaderWorker.run(FlatClassLoaderWorker.java:32) at org.gradle.workers.internal.FlatClassLoaderWorker.run(FlatClassLoaderWorker.java:22) at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:87) at org.gradle.workers.internal.WorkerDaemonServer.run(WorkerDaemonServer.java:56) at org.gradle.process.internal.worker.request.WorkerAction$1.call(WorkerAction.java:138) at org.gradle.process.internal.worker.child.WorkerLogEventListener.withWorkerLoggingProtocol(WorkerLogEventListener.java:41) at org.gradle.process.internal.worker.request.WorkerAction.run(WorkerAction.java:135) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164) at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:833)Seems like a bug in the version?
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