NullPointerException in SameNameButDifferent

[chonton]

[ERROR]      Please report this at https://github.com/google/error-prone/issues/new and include the following:
[ERROR]   
[ERROR]      error-prone version: 2.11.0
[ERROR]      BugPattern: SameNameButDifferent
[ERROR]      Stack Trace:
[ERROR]      java.lang.NullPointerException
[ERROR]   	at com.google.errorprone.bugpatterns.SameNameButDifferent.getBetterImport(SameNameButDifferent.java:187)
[ERROR]   	at com.google.errorprone.bugpatterns.SameNameButDifferent.matchCompilationUnit(SameNameButDifferent.java:142)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScanner.processMatchers(ErrorProneScanner.java:449)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:555)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:150)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:591)
[ERROR]   	at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:56)
[ERROR]   	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:58)
[ERROR]   	at com.google.errorprone.scanner.ErrorProneScannerTransformer.apply(ErrorProneScannerTransformer.java:43)
[ERROR]   	at com.google.errorprone.ErrorProneAnalyzer.finished(ErrorProneAnalyzer.java:152)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.api.MultiTaskListener.finished(MultiTaskListener.java:132)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1418)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1365)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:960)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:311)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:170)
[ERROR]   	at jdk.compiler/com.sun.tools.javac.Main.compile(Main.java:75)
[ERROR]   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR]   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERROR]   	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR]   	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
[ERROR]   	at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess0(JavacCompiler.java:683)
[ERROR]   	at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcessWithProperClassloader(JavacCompiler.java:664)
[ERROR]   	at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess(JavacCompiler.java:653)
[ERROR]   	at org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile(JavacCompiler.java:182)
[ERROR]   	at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:1171)
[ERROR]   	at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:191)
[ERROR]   	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
[ERROR]   	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
[ERROR]   	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
[ERROR]   	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
[ERROR]   	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
[ERROR]   	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
[ERROR]   	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
[ERROR]   	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
[ERROR]   	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
[ERROR]   	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
[ERROR]   	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
[ERROR]   	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:972)
[ERROR]   	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:293)
[ERROR]   	at org.apache.maven.cli.MavenCli.main(MavenCli.java:196)
[ERROR]   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR]   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERROR]   	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR]   	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
[ERROR]   	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)

maven compiler plugin settings:

        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.9.0</version>
          <configuration>
            <annotationProcessorPaths>
              <path>
                <groupId>com.google.errorprone</groupId>
                <artifactId>error_prone_core</artifactId>
                <version>2.11.0</version>
              </path>
              <path>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.18.20</version>
              </path>
            </annotationProcessorPaths>
            <compilerArgs>
              <arg>-XDcompilePolicy=simple</arg>
              <arg>-Xplugin:ErrorProne</arg>
            </compilerArgs>
            <forceJavacCompilerUse>true</forceJavacCompilerUse>
            <parameters>true</parameters>
          </configuration>
        </plugin>

addition maven properties:

    <maven.compiler.release>11</maven.compiler.release>
    <maven.compiler.source>${maven.compiler.release}</maven.compiler.source>
    <maven.compiler.target>${maven.compiler.release}</maven.compiler.target>