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https://issues.apache.org/jira/browse/MCHECKSTYLE-310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Osipov closed MCHECKSTYLE-310.
--------------------------------------
Resolution: Fixed
> Parrallel build failing with various errors
> -------------------------------------------
>
> Key: MCHECKSTYLE-310
> URL: https://issues.apache.org/jira/browse/MCHECKSTYLE-310
> Project: Maven Checkstyle Plugin
> Issue Type: Bug
> Components: checkstyle:check
> Affects Versions: 2.15, 2.16
> Reporter: Andrei
> Assignee: Michael Osipov
> Fix For: 2.17
>
>
> I build my project using **maven** with **-T** option. Sometimes the build
> failed with random **checkstyle** error.
> Just in case attaching stacktraces:
> {quote}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-checkstyle-plugin:2.16:check (validate) on
> project yyy-1: Execution validate of goal
> org.apache.maven.plugins:maven-checkstyle-plugin:2.16:check failed.
> NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-checkstyle-plugin:2.16:check (validate)
> on project yyy-1: Execution validate of goal
> org.apache.maven.plugins:maven-checkstyle-plugin:2.16:check failed.
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
> ...
> at
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:185)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ...
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution
> validate of goal org.apache.maven.plugins:maven-checkstyle-plugin:2.16:check
> failed.
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:145)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> ... 11 more
> Caused by: java.lang.NullPointerException
> at
> com.puppycrawl.tools.checkstyle.checks.javadoc.AbstractJavadocCheck.visitToken(AbstractJavadocCheck.java:182)
> ...
> at com.puppycrawl.tools.checkstyle.Checker.process(Checker.java:265)
> at
> org.apache.maven.plugin.checkstyle.exec.DefaultCheckstyleExecutor.executeCheckstyle(DefaultCheckstyleExecutor.java:252)
> at
> org.apache.maven.plugin.checkstyle.CheckstyleViolationCheckMojo.execute(CheckstyleViolationCheckMojo.java:538)
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
> ... 12 more
> {quote}
> or
> {quote}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-checkstyle-plugin:2.16:check (validate) on
> project xxx-2: You have 1 Checkstyle violation. -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-checkstyle-plugin:2.16:check (validate)
> on project xxx-2: You have 1 Checkstyle violation.
> ...
> at
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:185)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ...
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.maven.plugin.MojoFailureException: You have 1
> Checkstyle violation.
> at
> org.apache.maven.plugin.checkstyle.CheckstyleViolationCheckMojo.execute(CheckstyleViolationCheckMojo.java:588)
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> ... 11 more
> {quote}
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