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Posted to dev@maven.apache.org by "Malcolm Wong Ho (JIRA)" <ji...@codehaus.org> on 2005/05/19 12:50:34 UTC

[jira] Created: (MNG-419) Setting Automatic Plugin Update to never throws a NullPointerException

Setting Automatic Plugin Update to never throws a NullPointerException
----------------------------------------------------------------------

         Key: MNG-419
         URL: http://jira.codehaus.org/browse/MNG-419
     Project: m2
        Type: Bug
    Versions: 2.0-alpha-2    
    Reporter: Malcolm Wong Ho


Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean

Sample pom.xml :
	<pluginRepositories>
		<pluginRepository>
			<id>central</id>
			<name>central</name>
			<url>http://repo1.maven.org/maven2</url>
			<snapshotPolicy>never</snapshotPolicy>
			<layout>default</layout>
		</pluginRepository>
	</pluginRepositories>

Exception :

java.lang.NullPointerException
        at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
        at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
        at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
        at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
        at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
        at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
        at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
        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:585)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:363)



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[jira] Updated: (MNG-419) Setting snapshotPolicy to never throws a NullPointerException

Posted by "John Casey (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-419?page=all ]

John Casey updated MNG-419:
---------------------------

    Summary: Setting snapshotPolicy to never throws a NullPointerException  (was: Setting Automatic Plugin Update to never throws a NullPointerException)

changing the subject of the error, since the plugin update policy is different than the snapshotPolicy on the plugin repository...

> Setting snapshotPolicy to never throws a NullPointerException
> -------------------------------------------------------------
>
>          Key: MNG-419
>          URL: http://jira.codehaus.org/browse/MNG-419
>      Project: Maven 2
>         Type: Bug
>     Versions: 2.0-alpha-2
>     Reporter: Malcolm Wong Ho
>     Assignee: John Casey
>      Fix For: 2.0-alpha-3

>
>
> Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean
> Sample pom.xml :
> 	<pluginRepositories>
> 		<pluginRepository>
> 			<id>central</id>
> 			<name>central</name>
> 			<url>http://repo1.maven.org/maven2</url>
> 			<snapshotPolicy>never</snapshotPolicy>
> 			<layout>default</layout>
> 		</pluginRepository>
> 	</pluginRepositories>
> Exception :
> java.lang.NullPointerException
>         at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
>         at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
>         at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
>         at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
>         at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
>         at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
>         at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
>         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:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:363)

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[jira] Closed: (MNG-419) Setting snapshotPolicy to never throws a NullPointerException

Posted by "John Casey (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-419?page=all ]
     
John Casey closed MNG-419:
--------------------------

    Resolution: Fixed

> Setting snapshotPolicy to never throws a NullPointerException
> -------------------------------------------------------------
>
>          Key: MNG-419
>          URL: http://jira.codehaus.org/browse/MNG-419
>      Project: Maven 2
>         Type: Bug
>     Versions: 2.0-alpha-2
>     Reporter: Malcolm Wong Ho
>     Assignee: John Casey
>      Fix For: 2.0-alpha-3

>
>
> Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean
> Sample pom.xml :
> 	<pluginRepositories>
> 		<pluginRepository>
> 			<id>central</id>
> 			<name>central</name>
> 			<url>http://repo1.maven.org/maven2</url>
> 			<snapshotPolicy>never</snapshotPolicy>
> 			<layout>default</layout>
> 		</pluginRepository>
> 	</pluginRepositories>
> Exception :
> java.lang.NullPointerException
>         at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
>         at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
>         at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
>         at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
>         at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
>         at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
>         at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
>         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:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:363)

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[jira] Updated: (MNG-419) Setting Automatic Plugin Update to never throws a NullPointerException

Posted by "Brett Porter (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-419?page=all ]

Brett Porter updated MNG-419:
-----------------------------

    Assign To: John Casey

> Setting Automatic Plugin Update to never throws a NullPointerException
> ----------------------------------------------------------------------
>
>          Key: MNG-419
>          URL: http://jira.codehaus.org/browse/MNG-419
>      Project: Maven 2
>         Type: Bug
>     Versions: 2.0-alpha-2
>     Reporter: Malcolm Wong Ho
>     Assignee: John Casey
>      Fix For: 2.0-alpha-3

>
>
> Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean
> Sample pom.xml :
> 	<pluginRepositories>
> 		<pluginRepository>
> 			<id>central</id>
> 			<name>central</name>
> 			<url>http://repo1.maven.org/maven2</url>
> 			<snapshotPolicy>never</snapshotPolicy>
> 			<layout>default</layout>
> 		</pluginRepository>
> 	</pluginRepositories>
> Exception :
> java.lang.NullPointerException
>         at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
>         at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
>         at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
>         at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
>         at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
>         at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
>         at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
>         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:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:363)

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[jira] Commented: (MNG-419) Setting snapshotPolicy to never throws a NullPointerException

Posted by "Brett Porter (JIRA)" <ji...@codehaus.org>.
    [ http://jira.codehaus.org/browse/MNG-419?page=comments#action_41629 ] 

Brett Porter commented on MNG-419:
----------------------------------

nope, didn't get to try yet. did you try with alpha-2 itself? If it fails, there and works in alpha-3-SNAP, mark as fixed, otherwise, cannot reproduce. Thanks!

> Setting snapshotPolicy to never throws a NullPointerException
> -------------------------------------------------------------
>
>          Key: MNG-419
>          URL: http://jira.codehaus.org/browse/MNG-419
>      Project: Maven 2
>         Type: Bug
>     Versions: 2.0-alpha-2
>     Reporter: Malcolm Wong Ho
>     Assignee: John Casey
>      Fix For: 2.0-alpha-3

>
>
> Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean
> Sample pom.xml :
> 	<pluginRepositories>
> 		<pluginRepository>
> 			<id>central</id>
> 			<name>central</name>
> 			<url>http://repo1.maven.org/maven2</url>
> 			<snapshotPolicy>never</snapshotPolicy>
> 			<layout>default</layout>
> 		</pluginRepository>
> 	</pluginRepositories>
> Exception :
> java.lang.NullPointerException
>         at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
>         at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
>         at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
>         at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
>         at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
>         at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
>         at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
>         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:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:363)

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[jira] Commented: (MNG-419) Setting Automatic Plugin Update to never throws a NullPointerException

Posted by "John Casey (JIRA)" <ji...@codehaus.org>.
    [ http://jira.codehaus.org/browse/MNG-419?page=comments#action_41626 ] 

John Casey commented on MNG-419:
--------------------------------

I can't reproduce this. Brett, can you?

> Setting Automatic Plugin Update to never throws a NullPointerException
> ----------------------------------------------------------------------
>
>          Key: MNG-419
>          URL: http://jira.codehaus.org/browse/MNG-419
>      Project: Maven 2
>         Type: Bug
>     Versions: 2.0-alpha-2
>     Reporter: Malcolm Wong Ho
>     Assignee: John Casey
>      Fix For: 2.0-alpha-3

>
>
> Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean
> Sample pom.xml :
> 	<pluginRepositories>
> 		<pluginRepository>
> 			<id>central</id>
> 			<name>central</name>
> 			<url>http://repo1.maven.org/maven2</url>
> 			<snapshotPolicy>never</snapshotPolicy>
> 			<layout>default</layout>
> 		</pluginRepository>
> 	</pluginRepositories>
> Exception :
> java.lang.NullPointerException
>         at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
>         at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
>         at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
>         at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
>         at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
>         at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
>         at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
>         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:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:363)

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[jira] Updated: (MNG-419) Setting Automatic Plugin Update to never throws a NullPointerException

Posted by "Brett Porter (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-419?page=all ]

Brett Porter updated MNG-419:
-----------------------------

    Description: 
Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean

Sample pom.xml :
	<pluginRepositories>
		<pluginRepository>
			<id>central</id>
			<name>central</name>
			<url>http://repo1.maven.org/maven2</url>
			<snapshotPolicy>never</snapshotPolicy>
			<layout>default</layout>
		</pluginRepository>
	</pluginRepositories>

Exception :

java.lang.NullPointerException
        at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
        at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
        at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
        at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
        at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
        at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
        at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
        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:585)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:363)



  was:
Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean

Sample pom.xml :
	<pluginRepositories>
		<pluginRepository>
			<id>central</id>
			<name>central</name>
			<url>http://repo1.maven.org/maven2</url>
			<snapshotPolicy>never</snapshotPolicy>
			<layout>default</layout>
		</pluginRepository>
	</pluginRepositories>

Exception :

java.lang.NullPointerException
        at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
        at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
        at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
        at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
        at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
        at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
        at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
        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:585)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:363)



    Fix Version: 2.0-alpha-3
    Environment: 

> Setting Automatic Plugin Update to never throws a NullPointerException
> ----------------------------------------------------------------------
>
>          Key: MNG-419
>          URL: http://jira.codehaus.org/browse/MNG-419
>      Project: Maven 2
>         Type: Bug
>     Versions: 2.0-alpha-2
>     Reporter: Malcolm Wong Ho
>      Fix For: 2.0-alpha-3

>
>
> Setting snapshotPolicy to 'never' for the central pluginRepository in pom.xml, then executing an m2 comman eg. m2 clean:clean
> Sample pom.xml :
> 	<pluginRepositories>
> 		<pluginRepository>
> 			<id>central</id>
> 			<name>central</name>
> 			<url>http://repo1.maven.org/maven2</url>
> 			<snapshotPolicy>never</snapshotPolicy>
> 			<layout>default</layout>
> 		</pluginRepository>
> 	</pluginRepositories>
> Exception :
> java.lang.NullPointerException
>         at org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:140)
>         at org.apache.maven.artifact.transform.ReleaseArtifactTransformation.transformForResolve(ReleaseArtifactTransformation.java:52)
>         at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:99)
>         at org.codehaus.plexus.DefaultArtifactEnabledContainer.addComponent(DefaultArtifactEnabledContainer.java:104)
>         at org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:285)
>         at org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:241)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(DefaultLifecycleExecutor.java:389)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.configureMojo(DefaultLifecycleExecutor.java:337)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.processGoals(DefaultLifecycleExecutor.java:135)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:90)
>         at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:253)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:167)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:246)
>         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:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:363)

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