Scott Parkerson created OPENJPA-2418:
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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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