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From "Robert Scholte (JIRA)" <j...@codehaus.org>
Subject [jira] (MENFORCER-122) Adding repository causes NPE during mvn install
Date Wed, 05 Jun 2013 21:07:03 GMT

     [ https://jira.codehaus.org/browse/MENFORCER-122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Scholte closed MENFORCER-122.
------------------------------------

    Resolution: Cannot Reproduce
      Assignee: Robert Scholte

Cannot reproduce (with M3.0.5), added an IT anyway [r1490031|http://svn.apache.org/r1490031].
Maybe this was caused by a specific Maven version, but that info's not available.
                
> Adding repository causes NPE during mvn install
> -----------------------------------------------
>
>                 Key: MENFORCER-122
>                 URL: https://jira.codehaus.org/browse/MENFORCER-122
>             Project: Maven 2.x Enforcer Plugin
>          Issue Type: Bug
>          Components: Standard Rules
>            Reporter: Marcel Overdijk
>            Assignee: Robert Scholte
>
> When adding a repository to maven plugin pom, like
> {code:xml}
>     <repositories>   
>         <repository>   
>             <id>com.asual.maven.public</id>   
>             <name>Asual Public Repository</name>   
>             <url>http://www.asual.com/maven/content/groups/public</url> 
 
>         </repository>   
>     </repositories> 
> {code}
> and having sandbox as parent
> {code:xml}
>     <parent>
>         <groupId>org.codehaus.mojo</groupId>
>         <artifactId>mojo-sandbox-parent</artifactId>
>         <version>9</version>
>     </parent>
> {code}
> causes {{mvn install}} to throw a NPE:
> {noformat}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.0:enforce
(mojo-enforcer-rules) on project lesscss-maven-plugin: Execution mojo-enforcer-rules of goal
org.apache.maven.plugins:maven-enforcer-plugin:1.0:enforce failed. NullPointerException ->
[Help 1] 
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.0:enforce
(mojo-enforcer-rules) on project lesscss-maven-plugin: Execution mojo-enforcer-rules of goal
org.apache.maven.plugins:maven-enforcer-plugin:1.0:enforce 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 mojo-enforcer-rules
of goal org.apache.maven.plugins:maven-enforcer-plugin:1.0:enforce 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.plugins.enforcer.RequireNoRepositories.findBannedRepositories(RequireNoRepositories.java:182)

>         at org.apache.maven.plugins.enforcer.RequireNoRepositories.execute(RequireNoRepositories.java:110)

>         at org.apache.maven.plugins.enforcer.EnforceMojo.execute(EnforceMojo.java:186)

>         at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)

>         ... 20 more 
> On the discussion forum it was mentioned it's not allowed to repo's: 
> https://fisheye.codehaus.org/browse/mojo/trunk/mojo/mojo-parent/pom.xml?hb=true#to323
> {noformat}
> After removing the repo {{mvn install}} works flawlessly.
> However the NPE makes it difficult to find out why {{mvn install}} was failing.

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