error-prone version: 2.13.0
BugPattern: UnnecessaryBoxedVariable
Stack Trace:
java.lang.NullPointerException: Cannot invoke "com.sun.tools.javac.code.Type.isPrimitive()" because "returnType" is null
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.visitReturn(UnnecessaryBoxedVariable.java:435)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.visitReturn(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCReturn.accept(JCTree.java:1717)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96)
at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111)
at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1103)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96)
at jdk.compiler/com.sun.source.util.TreeScanner.visitLambdaExpression(TreeScanner.java:646)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCLambda.accept(JCTree.java:1978)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119)
at jdk.compiler/com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:590)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.visitMethodInvocation(UnnecessaryBoxedVariable.java:418)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.visitMethodInvocation(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1813)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.visitMemberSelect(TreeScanner.java:820)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2458)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96)
at jdk.compiler/com.sun.source.util.TreeScanner.visitMethodInvocation(TreeScanner.java:589)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.visitMethodInvocation(UnnecessaryBoxedVariable.java:418)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.visitMethodInvocation(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1813)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.visitExpressionStatement(TreeScanner.java:502)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1592)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96)
at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111)
at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1103)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
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 jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:953)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96)
at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111)
at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:119)
at jdk.compiler/com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:203)
at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:860)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:292)
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 jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:614)
at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable$FindBoxedUsagesScanner.scan(UnnecessaryBoxedVariable.java:338)
at com.google.errorprone.bugpatterns.UnnecessaryBoxedVariable.matchCompilationUnit(UnnecessaryBoxedVariable.java:86)
at com.google.errorprone.scanner.ErrorProneScanner.processMatchers(ErrorProneScanner.java:449)
at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:555)
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$1.call(WorkerAction.java:138)
at org.gradle.process.internal.worker.child.WorkerLogEventListener.withWorkerLoggingProtocol(WorkerLogEventListener.java:41)
at org.gradle.process.internal.worker.request.WorkerAction.run(WorkerAction.java:135)
at jdk.internal.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$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)
