ADDITIONAL SYSTEM INFORMATION :
Windows 10
Java:
java version "20.0.2" 2023-07-18
Java(TM) SE Runtime Environment (build 20.0.2+9-78)
Java HotSpot(TM) 64-Bit Server VM (build 20.0.2+9-78, mixed mode, sharing)


A DESCRIPTION OF THE PROBLEM :
Im Compiler (20.0.2) ist eine Ausnahme aufgetreten. Erstellen Sie auf der Java-Seite zum Melden von Bugs (https://bugreport.java.com) einen Bugbericht, nachdem Sie die Bugdatenbank (https://bugs.java.com) auf Duplikate geprt haben. Geben Sie in Ihrem Bericht Ihr Programm, die folgende Diagnose und die Parameter an, die Sie dem Java-Compiler bergeben haben. Vielen Dank.
java.lang.ClassCastException: class com.sun.tools.javac.tree.JCTree$JCLiteral cannot be cast to class com.sun.tools.javac.tree.JCTree$JCCaseLabel (com.sun.tools.javac.tree.JCTree$JCLiteral and com.sun.tools.javac.tree.JCTree$JCCaseLabel are in module jdk.compiler of loader 'app')
        at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90)
        at java.base/java.util.Spliterators$IteratorSpliterator.tryAdvance(Spliterators.java:1932)
        at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:280)
        at java.base/java.util.Spliterators$IteratorSpliterator.tryAdvance(Spliterators.java:1932)
        at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129)
        at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527)
        at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513)
        at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230)
        at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:632)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.handleSwitch(Attr.java:1696)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.visitSwitch(Attr.java:1608)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCSwitch.accept(JCTree.java:1305)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:663)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStat(Attr.java:737)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStats(Attr.java:756)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1440)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:1088)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:663)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStat(Attr.java:737)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:1230)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:912)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:663)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStat(Attr.java:737)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:5592)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribClass(Attr.java:5485)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribClass(Attr.java:5309)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.visitClassDef(Attr.java:971)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:810)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribTree(Attr.java:663)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribStat(Attr.java:737)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:5592)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribClass(Attr.java:5485)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attribClass(Attr.java:5309)
        at jdk.compiler/com.sun.tools.javac.comp.Attr.attrib(Attr.java:5248)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1331)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:960)
        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.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess(JavaxToolsCompiler.java:136)
        at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile(JavacCompiler.java:182)
        at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:1209)
        at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:198)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:126)
        at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2(MojoExecutor.java:328)
        at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute(MojoExecutor.java:316)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:174)
        at org.apache.maven.lifecycle.internal.MojoExecutor.access$000(MojoExecutor.java:75)
        at org.apache.maven.lifecycle.internal.MojoExecutor$1.run(MojoExecutor.java:162)
        at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute(DefaultMojosExecutionStrategy.java:39)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:159)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:105)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:73)
        at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:53)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:118)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:261)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:173)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:101)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:906)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:283)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:206)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:578)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:283)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:226)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:407)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:348)


FREQUENCY : always