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StatementSwitchToExpressionSwitch from Error prone 2.17.0 crash on switch #3650

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mizalewski opened this issue Dec 31, 2022 · 1 comment
Closed

StatementSwitchToExpressionSwitch from Error prone 2.17.0 crash on switch #3650

mizalewski opened this issue Dec 31, 2022 · 1 comment

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@mizalewski
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I use error-prone 2.17.0 with net.ltgt.errorprone 3.0.1 Gradle plugin. I also tried to downgrade error-prone to 2.16 and after downgrade it works without any issues.

StatementSwitchToExpressionSwitch crash on below switch:

  switch (responseCode / 100) {
      case 4 -> {
          segment.setError(true);
          if (responseCode == 429) {
              segment.setThrottle(true);
          }
      }
      case 5 -> segment.setFault(true);
  }

whole method is:

    public void postFilter(ContainerResponseContext response) {
        AWSXRayRecorder recorder = this.getRecorder();
        Segment segment = recorder.getCurrentSegment();
        if (segment != null) {
            if (response != null) {
                final var responseAttributes = new HashMap<String, Object>();
                int responseCode = response.getStatus();
                switch (responseCode / 100) {
                    case 4 -> {
                        segment.setError(true);
                        if (responseCode == 429) {
                            segment.setThrottle(true);
                        }
                    }
                    case 5 -> segment.setFault(true);
                }

                responseAttributes.put("status", responseCode);
                final var contentLength = response.getLength();
                responseAttributes.put("content_length", contentLength);

                segment.putHttp("response", responseAttributes);
            }

            recorder.endSegment();
        }
    }

Stacktrace from error-prone:

error-prone version: 2.17.0
     BugPattern: StatementSwitchToExpressionSwitch
     Stack Trace:
     java.lang.NullPointerException: Cannot invoke "java.util.List.isEmpty()" because "statements" is null
        at com.google.errorprone.bugpatterns.StatementSwitchToExpressionSwitch.analyzeSwitchTree(StatementSwitchToExpressionSwitch.java:125)
        at com.google.errorprone.bugpatterns.StatementSwitchToExpressionSwitch.matchSwitch(StatementSwitchToExpressionSwitch.java:93)
        at com.google.errorprone.scanner.ErrorProneScanner.processMatchers(ErrorProneScanner.java:449)
        at com.google.errorprone.scanner.ErrorProneScanner.visitSwitch(ErrorProneScanner.java:823)
        at com.google.errorprone.scanner.ErrorProneScanner.visitSwitch(ErrorProneScanner.java:150)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCSwitch.accept(JCTree.java:1304)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
        at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74)
        at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48)
        at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96)
        at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111)
        at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272)
        at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:520)
        at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:150)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$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.visitIf(TreeScanner.java:486)
        at com.google.errorprone.scanner.ErrorProneScanner.visitIf(ErrorProneScanner.java:654)
        at com.google.errorprone.scanner.ErrorProneScanner.visitIf(ErrorProneScanner.java:150)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1565)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
        at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74)
        at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48)
        at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111)
        at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272)
        at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:520)
        at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:150)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$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.visitIf(TreeScanner.java:486)
        at com.google.errorprone.scanner.ErrorProneScanner.visitIf(ErrorProneScanner.java:654)
        at com.google.errorprone.scanner.ErrorProneScanner.visitIf(ErrorProneScanner.java:150)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1565)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:86)
        at com.google.errorprone.scanner.Scanner.scan(Scanner.java:74)
        at com.google.errorprone.scanner.Scanner.scan(Scanner.java:48)
        at jdk.compiler/com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:96)
        at jdk.compiler/com.sun.source.util.TreeScanner.scan(TreeScanner.java:111)
        at jdk.compiler/com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:272)
        at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:520)
        at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:150)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$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$JCCompilationUnit.accept(JCTree.java:614)
        at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:60)
        at com.google.errorprone.scanner.Scanner.scan(Scanner.java:58)
        at com.google.errorprone.scanner.ErrorProneScannerTransformer.apply(ErrorProneScannerTransformer.java:43)
        at com.google.errorprone.ErrorProneAnalyzer.finished(ErrorProneAnalyzer.java:156)
        at jdk.compiler/com.sun.tools.javac.api.MultiTaskListener.finished(MultiTaskListener.java:132)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1394)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1341)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:933)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.lambda$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:100)
        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$1.run(ManagedExecutorImpl.java:49)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:833)
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
@cushon
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cushon commented Jan 1, 2023

This is a duplicate of #3638, it will be fixed in the next release

@cushon cushon closed this as completed Jan 1, 2023
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@cushon @mizalewski