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https://issues.apache.org/jira/browse/RAT-531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18048368#comment-18048368
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Philipp Ottlinger commented on RAT-531:
---------------------------------------
[~xiaoping.huang] thanks for reporting this NPE - how did you manage to run
into the NPE? Can you provide a link to a project with a Maven configuration
that lead to the problem? Can you provide more context - thanks.
> Fix NPE on families is null
> ---------------------------
>
> Key: RAT-531
> URL: https://issues.apache.org/jira/browse/RAT-531
> Project: Apache RAT
> Issue Type: Improvement
> Reporter: xiaoping.huang
> Priority: Critical
> Fix For: 0.18
>
>
> {code:java}
> Caused by: java.lang.NullPointerException: Cannot read the array length
> because "this.families" is null
> at org.apache.rat.mp.AbstractRatMojo.getConfiguration
> (AbstractRatMojo.java:508)
> at org.apache.rat.mp.RatCheckMojo.getConfiguration (RatCheckMojo.java:166)
> at org.apache.rat.mp.RatCheckMojo.execute (RatCheckMojo.java:205)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
> (DefaultBuildPluginManager.java:137)
> at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2
> (MojoExecutor.java:370)
> at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
> (MojoExecutor.java:351)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:215)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:171)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:163)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
> (LifecycleModuleBuilder.java:117)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
> (LifecycleModuleBuilder.java:81)
> at
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
> (SingleThreadedBuilder.java:56)
> at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
> (LifecycleStarter.java:128)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:294)
> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
> at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:960)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:293)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:196)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:77)
> at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:569)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
> (Launcher.java:282)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launch
> (Launcher.java:225)
> at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
> (Launcher.java:406)
> at org.codehaus.plexus.classworlds.launcher.Launcher.main
> (Launcher.java:347) {code}
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