[MNG-8507] NPE when running openrewrite

[jira-importer]

Guillaume Nodet opened MNG-8507 and commented

The openrewrite plugin throws a NPE:

[WARNING] Unable to parse checkstyle configuration. Checkstyle will not inform rewrite execution.
java.lang.NullPointerException: Cannot invoke "org.apache.maven.model.InputLocation.getSource()" because the return value of "org.apache.maven.model.Plugin.getLocation(Object)" is null
    at org.openrewrite.maven.ConfigurableRewriteMojo.loadStyles(ConfigurableRewriteMojo.java:262)
    at org.openrewrite.maven.AbstractRewriteBaseRunMojo.loadSourceSet(AbstractRewriteBaseRunMojo.java:231)
    at org.openrewrite.maven.AbstractRewriteBaseRunMojo.listResults(AbstractRewriteBaseRunMojo.java:152)
    at org.openrewrite.maven.AbstractRewriteRunMojo.execute(AbstractRewriteRunMojo.java:64)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:144)
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2(MojoExecutor.java:339)
    at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute(MojoExecutor.java:310)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:214)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:179)
    at org.apache.maven.lifecycle.internal.MojoExecutor$1.run(MojoExecutor.java:168)
    at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute(DefaultMojosExecutionStrategy.java:39)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:165)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:110)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:60)
    at org.apache.maven.lifecycle.internal.DefaultLifecycleStarter.execute(DefaultLifecycleStarter.java:123)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:311)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:225)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:149)
    at org.apache.maven.cling.invoker.mvn.MavenInvoker.doExecute(MavenInvoker.java:470)
    at org.apache.maven.cling.invoker.mvn.MavenInvoker.execute(MavenInvoker.java:95)
    at org.apache.maven.cling.invoker.mvn.MavenInvoker.execute(MavenInvoker.java:85)
    at org.apache.maven.cling.invoker.LookupInvoker.doInvoke(LookupInvoker.java:145)
    at org.apache.maven.cling.invoker.LookupInvoker.invoke(LookupInvoker.java:116)
    at org.apache.maven.cling.ClingSupport.run(ClingSupport.java:64)
    at org.apache.maven.cling.MavenCling.main(MavenCling.java:51)
    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)

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Affects: 4.0.0-rc-2