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From Marcus Höjvall (JIRA) <j...@codehaus.org>
Subject [jira] (MCHECKSTYLE-231) NPE on mvn compile
Date Tue, 10 Jun 2014 14:52:10 GMT

     [ https://jira.codehaus.org/browse/MCHECKSTYLE-231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcus Höjvall updated MCHECKSTYLE-231:
---------------------------------------

    Description: 
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 commons: 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 commons: 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.izettle</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>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}

  was:
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-commons: 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-commons: 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.izettle</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>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}


> 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 commons: 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 commons: 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.izettle</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>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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