IndexOutOfBoundsException on two Java Multi-line String constants
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Hi,
Spotless throws an Java Multi-line IndexOutOfBoundsException on two Java Multi-line String constants in a unit test. Even when they are empty.
```
private static final String TEST_ONE = """
""";
private static final String TEST_TWO = """
""";
```
Change either into a regular String and there is no problem. Here is the output:
```
[ERROR] Step 'eclipse jdt formatter' found problem in 'xxxxxxTest.java':
eclipse jdt formatter 4.10 is currently being used, but outdated.
eclipse jdt formatter 4.34 is the recommended version, which may have fixed this problem.
eclipse jdt formatter 4.34 requires JVM 17+.
java.lang.Exception: eclipse jdt formatter 4.10 is currently being used, but outdated.
eclipse jdt formatter 4.34 is the recommended version, which may have fixed this problem.
eclipse jdt formatter 4.34 requires JVM 17+.
at com.diffplug.spotless.Jvm$Support$1.apply (Jvm.java:211)
at com.diffplug.spotless.FormatterStepEqualityOnStateSerialization.format (FormatterStepEqualityOnStateSerialization.java:49)
at com.diffplug.spotless.Formatter.computeWithLint (Formatter.java:170)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:97)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:82)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:77)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:73)
at com.diffplug.spotless.maven.SpotlessCheckMojo.process (SpotlessCheckMojo.java:81)
at com.diffplug.spotless.maven.AbstractSpotlessMojo.execute (AbstractSpotlessMojo.java:255)
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$1.run (MojoExecutor.java:162)
at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute (DefaultMojosExecutionStrategy.java:39)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:159)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:73)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke (DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:314)
Caused by: java.lang.reflect.InvocationTargetException
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke (DirectMethodHandleAccessor.java:118)
at java.lang.reflect.Method.invoke (Method.java:580)
at com.diffplug.spotless.extra.java.EclipseJdtFormatterStep.lambda$apply$0 (EclipseJdtFormatterStep.java:52)
at com.diffplug.spotless.FormatterFunc$NeedsFile.apply (FormatterFunc.java:174)
at com.diffplug.spotless.Jvm$Support$1.apply (Jvm.java:209)
at com.diffplug.spotless.FormatterStepEqualityOnStateSerialization.format (FormatterStepEqualityOnStateSerialization.java:49)
at com.diffplug.spotless.Formatter.computeWithLint (Formatter.java:170)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:97)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:82)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:77)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:73)
at com.diffplug.spotless.maven.SpotlessCheckMojo.process (SpotlessCheckMojo.java:81)
at com.diffplug.spotless.maven.AbstractSpotlessMojo.execute (AbstractSpotlessMojo.java:255)
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 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:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:314)
Caused by: java.lang.IndexOutOfBoundsException: Index -1 out of bounds for length 751
at jdk.internal.util.Preconditions.outOfBounds (Preconditions.java:100)
at jdk.internal.util.Preconditions.outOfBoundsCheckIndex (Preconditions.java:106)
at jdk.internal.util.Preconditions.checkIndex (Preconditions.java:302)
at java.util.Objects.checkIndex (Objects.java:365)
at java.util.ArrayList.get (ArrayList.java:428)
at org.eclipse.jdt.internal.formatter.TokenManager.get (TokenManager.java:71)
at org.eclipse.jdt.internal.formatter.TokenManager.lastTokenIn (TokenManager.java:192)
at org.eclipse.jdt.internal.formatter.linewrap.WrapPreparator.preVisit2 (WrapPreparator.java:215)
at org.eclipse.jdt.core.dom.ASTNode.accept (ASTNode.java:2813)
at org.eclipse.jdt.core.dom.ASTNode.acceptChildren (ASTNode.java:2886)
at org.eclipse.jdt.core.dom.FieldDeclaration.accept0 (FieldDeclaration.java:273)
at org.eclipse.jdt.core.dom.ASTNode.accept (ASTNode.java:2815)
at org.eclipse.jdt.core.dom.ASTNode.acceptChildren (ASTNode.java:2886)
at org.eclipse.jdt.core.dom.TypeDeclaration.accept0 (TypeDeclaration.java:447)
at org.eclipse.jdt.core.dom.ASTNode.accept (ASTNode.java:2815)
at org.eclipse.jdt.core.dom.ASTNode.acceptChildren (ASTNode.java:2886)
at org.eclipse.jdt.core.dom.CompilationUnit.accept0 (CompilationUnit.java:258)
at org.eclipse.jdt.core.dom.ASTNode.accept (ASTNode.java:2815)
at org.eclipse.jdt.internal.formatter.DefaultCodeFormatter.prepareWraps (DefaultCodeFormatter.java:432)
at org.eclipse.jdt.internal.formatter.DefaultCodeFormatter.prepareFormattedCode (DefaultCodeFormatter.java:230)
at org.eclipse.jdt.internal.formatter.DefaultCodeFormatter.format (DefaultCodeFormatter.java:184)
at org.eclipse.jdt.internal.formatter.DefaultCodeFormatter.format (DefaultCodeFormatter.java:166)
at com.diffplug.spotless.extra.glue.jdt.EclipseJdtFormatterStepImpl.format (EclipseJdtFormatterStepImpl.java:54)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke (DirectMethodHandleAccessor.java:103)
at java.lang.reflect.Method.invoke (Method.java:580)
at com.diffplug.spotless.extra.java.EclipseJdtFormatterStep.lambda$apply$0 (EclipseJdtFormatterStep.java:52)
at com.diffplug.spotless.FormatterFunc$NeedsFile.apply (FormatterFunc.java:174)
at com.diffplug.spotless.Jvm$Support$1.apply (Jvm.java:209)
at com.diffplug.spotless.FormatterStepEqualityOnStateSerialization.format (FormatterStepEqualityOnStateSerialization.java:49)
at com.diffplug.spotless.Formatter.computeWithLint (Formatter.java:170)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:97)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:82)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:77)
at com.diffplug.spotless.DirtyState.of (DirtyState.java:73)
at com.diffplug.spotless.maven.SpotlessCheckMojo.process (SpotlessCheckMojo.java:81)
at com.diffplug.spotless.maven.AbstractSpotlessMojo.execute (AbstractSpotlessMojo.java:255)
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 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:255)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:201)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:361)
at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:314)
```
Beitragsleitfaden
Rechercherichtung
Reproduziere den Fehler mit zwei leeren mehrzeiligen Java-Stringkonstanten unter Verwendung des Eclipse JDT formatter 4.10. Beginne bei EclipseJdtFormatterStepImpl.format und verfolge den Stack durch DefaultCodeFormatter, WrapPreparator und TokenManager. Fertig ist die Aufgabe, wenn das Formatieren des Beispiels keine IndexOutOfBoundsException mehr auslöst.
Vom Indexierungsmodell aus dem Issue-Text verfasst.
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