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From "Scott Parkerson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OPENJPA-2418) Cannot build 2.2.x due to NullPointerException in maven-checkstyle-plugin
Date Tue, 06 Aug 2013 22:35:47 GMT
Scott Parkerson created OPENJPA-2418:
----------------------------------------

             Summary: Cannot build 2.2.x due to NullPointerException in maven-checkstyle-plugin
                 Key: OPENJPA-2418
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2418
             Project: OpenJPA
          Issue Type: Bug
          Components: build / infrastructure
    Affects Versions: 2.2.3
         Environment: Apache Maven 3.0.3 (r1075438; 2011-02-28 12:31:09-0500)
Maven home: /usr/share/maven
Java version: 1.6.0_51, vendor: Apple Inc.
Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.8.4", arch: "x86_64", family: "mac"
            Reporter: Scott Parkerson
            Priority: Critical


Here's the issue when building the 2.2.x branch.

Updating to newer maven-checkstyle-plugin (2.6) seems to workaround it.

{noformat}
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.4:checkstyle
(default) on project openjpa-lib: Execution default of goal org.apache.maven.plugins:maven-checkstyle-plugin:2.4:checkstyle
failed. NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.4:checkstyle
(default) on project openjpa-lib: Execution default of goal org.apache.maven.plugins:maven-checkstyle-plugin:2.4:checkstyle
failed.
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default of goal org.apache.maven.plugins:maven-checkstyle-plugin:2.4:checkstyle
failed.
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
	... 19 more
Caused by: java.lang.NullPointerException
	at org.apache.maven.plugin.checkstyle.rss.DefaultCheckstyleRssGenerator.generateRSS(DefaultCheckstyleRssGenerator.java:72)
	at org.apache.maven.plugin.checkstyle.CheckstyleReport.executeReport(CheckstyleReport.java:639)
	at org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:131)
	at org.apache.maven.reporting.AbstractMavenReport.execute(AbstractMavenReport.java:76)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
	... 20 more
{noformat}

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