[jira] Closed: (MGPG-18) NPE in GpgSigner

["Benjamin Bentmann (JIRA)" <ji...@codehaus.org>]

     [ http://jira.codehaus.org/browse/MGPG-18?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Bentmann closed MGPG-18.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 1.0
         Assignee: Benjamin Bentmann

Improved error message in [r908978|http://svn.apache.org/viewvc?view=revision&revision=908978].

> NPE in GpgSigner
> ----------------
>
>                 Key: MGPG-18
>                 URL: http://jira.codehaus.org/browse/MGPG-18
>             Project: Maven 2.x GPG Plugin
>          Issue Type: Bug
>    Affects Versions: 1.0-alpha-4
>            Reporter: Geoffrey Wiseman
>            Assignee: Benjamin Bentmann
>            Priority: Minor
>             Fix For: 1.0
>
>
> If I run "mvn package gpg:sign", this works.  If I run "mvn gpg:sign", I get the following stack trace:
> {code}
> java.lang.NullPointerException
> 	at org.apache.maven.plugin.gpg.GpgSigner.generateSignatureForArtifact(GpgSigner.java:119)
> 	at org.apache.maven.plugin.gpg.GpgSignAttachedMojo.execute(GpgSignAttachedMojo.java:228)
> 	at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
> {code}
> After running this through a debugger, I can see that this is because the 'file' object (project.getArtifact().getFile()) is null, which seems to be the case any time the artifact wasn't generated in this invocation of Maven.  At the very least, this should result in a good error message, although it would be nice if "gpg:sign" would work on an artifact that was previously-generated.

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