Marcus Höjvall created MCHECKSTYLE-231:
------------------------------------------
Summary: NPE on mvn compile
Key: MCHECKSTYLE-231
URL: https://jira.codehaus.org/browse/MCHECKSTYLE-231
Project: Maven Checkstyle Plugin
Issue Type: Bug
Affects Versions: 2.12.1
Environment: Apache Maven 3.2.1
(ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-14T18:37:52+01:00)
Maven home: /usr/local/Cellar/maven/3.2.1/libexec
Java version: 1.7.0_51, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.9.2", arch: "x86_64", family: "mac"
checkstyle plugin version: 2.12.1
Reporter: Marcus Höjvall
Priority: Critical
I'm getting a NullPointerError when running:
{code} mvn clean compile -Pall {code}
And all is a profile running the checkstyle plugin. This however works if I run
install instead of compile, like this:
{code} mvn clean install -Pall {code}
Compile however works good when running it on a submodule but not on the root
module.
I don't know how to proceed and maven told me to contact the plugin maintainers
through this link:
https://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
Please let me know if there is anymore information that I need to provide or
other ways to help out
Stacktrace:
{code}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-checkstyle-plugin:2.12.1:checkstyle (validate)
on project izettle-ejb: Execution validate of goal
org.apache.maven.plugins:maven-checkstyle-plugin:2.12.1:checkstyle failed.
NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-checkstyle-plugin:2.12.1:checkstyle (validate)
on project izettle-ejb: Execution validate of goal
org.apache.maven.plugins:maven-checkstyle-plugin:2.12.1:checkstyle failed.
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
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:108)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution validate
of goal org.apache.maven.plugins:maven-checkstyle-plugin:2.12.1:checkstyle
failed.
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:144)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 19 more
Caused by: java.lang.NullPointerException
at
org.codehaus.plexus.resource.loader.JarHolder.getEntries(JarHolder.java:126)
at
org.codehaus.plexus.resource.loader.JarResourceLoader.loadJar(JarResourceLoader.java:100)
at
org.codehaus.plexus.resource.loader.JarResourceLoader.initialize(JarResourceLoader.java:63)
at
org.codehaus.plexus.resource.loader.JarResourceLoader.getResource(JarResourceLoader.java:141)
at
org.apache.maven.plugin.checkstyle.resource.LicenseResourceManager.getResource(LicenseResourceManager.java:70)
at
org.codehaus.plexus.resource.DefaultResourceManager.getResourceAsFile(DefaultResourceManager.java:91)
at
org.apache.maven.plugin.checkstyle.DefaultCheckstyleExecutor.getOverridingProperties(DefaultCheckstyleExecutor.java:460)
at
org.apache.maven.plugin.checkstyle.DefaultCheckstyleExecutor.getConfiguration(DefaultCheckstyleExecutor.java:299)
at
org.apache.maven.plugin.checkstyle.DefaultCheckstyleExecutor.executeCheckstyle(DefaultCheckstyleExecutor.java:185)
at
org.apache.maven.plugin.checkstyle.AbstractCheckstyleReport.executeReport(AbstractCheckstyleReport.java:488)
at
org.apache.maven.plugin.checkstyle.CheckstyleReport.executeReport(CheckstyleReport.java:156)
at
org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:196)
at
org.apache.maven.reporting.AbstractMavenReport.execute(AbstractMavenReport.java:104)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
... 20 more
{code}
Root pom
{code:xml}
<plugin>
<artifactId>maven-checkstyle-plugin</artifactId>
<version>2.12.1</version>
<dependencies>
<dependency>
<groupId>com.company</groupId>
<artifactId>build-tools</artifactId>
<version>1.0</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>validate</id>
<phase>install</phase>
<goals>
<goal>checkstyle</goal>
</goals>
<configuration>
<includeTestSourceDirectory>false</includeTestSourceDirectory>
<failsOnError>true</failsOnError>
<consoleOutput>true</consoleOutput>
<configLocation>${project.parent.basedir}/company-build-tools/src/main/resources/checkstyle/checkstyle.xml</configLocation>
<linkXRef>false</linkXRef>
<propertyExpansion>checkstyle-suppression-file=${project.basedir}/checkstyle-suppression.xml</propertyExpansion>
</configuration>
</execution>
</executions>
</plugin>
{code}
{code:xml}
<profile>
<id>all</id>
<build>
<plugins>
<plugin>
<artifactId>maven-checkstyle-plugin</artifactId>
<executions>
<execution>
<configuration>
<propertyExpansion>projectDir=${project.basedir </propertyExpansion>
</configuration>
<id>validate</id>
<goals>
<goal>checkstyle</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
{code}
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