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From "Geoffrey Wiseman (JIRA)" <>
Subject [jira] Commented: (MGPG-18) NPE in GpgSigner
Date Sun, 22 Nov 2009 01:46:55 GMT


Geoffrey Wiseman commented on MGPG-18:

Glad it was helpful.

> NPE in GpgSigner
> ----------------
>                 Key: MGPG-18
>                 URL:
>             Project: Maven 2.x GPG Plugin
>          Issue Type: Bug
>    Affects Versions: 1.0-alpha-4
>            Reporter: Geoffrey Wiseman
>            Priority: Minor
> 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(
> 	at org.apache.maven.plugin.gpg.GpgSignAttachedMojo.execute(
> 	at org.apache.maven.plugin.DefaultPluginManager.executeMojo(
> 	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(
> {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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