Incompatible with JDK 21 #931
Description
Failed with using Spotless Maven plugin and palantir rule:
Caused by: java.lang.NoSuchMethodError: 'com.sun.tools.javac.tree.JCTree com.sun.tools.javac.tree.JCTree$JCImport.getQualifiedIdentifier()'
at com.palantir.javaformat.java.RemoveUnusedImports.getSimpleName (RemoveUnusedImports.java:245)
at com.palantir.javaformat.java.RemoveUnusedImports.buildReplacements (RemoveUnusedImports.java:225)
at com.palantir.javaformat.java.RemoveUnusedImports.removeUnusedImports (RemoveUnusedImports.java:209)
at com.diffplug.spotless.glue.pjf.PalantirJavaFormatFormatterFunc.apply (PalantirJavaFormatFormatterFunc.java:42)
at com.diffplug.spotless.FormatterFunc.apply (FormatterFunc.java:32)
at com.diffplug.spotless.FormatterStepImpl$Standard.format (FormatterStepImpl.java:82)
at com.diffplug.spotless.FormatterStep$Strict.format (FormatterStep.java:88)
at com.diffplug.spotless.Formatter.compute (Formatter.java:246)
at com.diffplug.spotless.PaddedCell.calculateDirtyState (PaddedCell.java:203)
at com.diffplug.spotless.PaddedCell.calculateDirtyState (PaddedCell.java:190)
at com.diffplug.spotless.maven.SpotlessCheckMojo.process (SpotlessCheckMojo.java:54)
at com.diffplug.spotless.maven.AbstractSpotlessMojo.execute (AbstractSpotlessMojo.java:229)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:126)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 (MojoExecutor.java:342)
at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute (MojoExecutor.java:330)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:213)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:175)
at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 (MojoExecutor.java:76)
at org.apache.maven.lifecycle.internal.MojoExecutor$1.run (MojoExecutor.java:163)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute (DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:160)
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:910)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke (DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
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)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke (DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at org.apache.maven.wrapper.BootstrapMainStarter.start (BootstrapMainStarter.java:52)
at org.apache.maven.wrapper.WrapperExecutor.execute (WrapperExecutor.java:161)
at org.apache.maven.wrapper.MavenWrapperMain.main (MavenWrapperMain.java:73)