[MCHECKSTYLE-310] Parrallel build failing with various errors

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.15, 2.16
• Fix Version/s: 2.17
• Component/s: checkstyle:check
• Assignee: Michael Osipov
• Reporter: Andrei
• Created: 25/Sep/15 12:47
• Updated: 17/Oct/15 21:02
• Resolved: 17/Oct/15 21:02

Description

I build my project using *maven* with *-T* option. Sometimes the build failed with random *checkstyle* error.

Just in case attaching stacktraces:

[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

or

[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

Issue Links

• depends upon: MCHECKSTYLE-307 Upgrade to Checkstyle 6.11
• is related to: MCHECKSTYLE-138 Checkstyle plugin is @threadSafe if checkstyle itself is threadsafe
• links to: StackOverflow question