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Posted to issues@maven.apache.org by "Jared Roberts (JIRA)" <ji...@codehaus.org> on 2011/05/24 21:14:22 UTC
[jira] Created: (MNG-5103) NPE thrown when
DefaultArtifact.getSelectedVersion is called
NPE thrown when DefaultArtifact.getSelectedVersion is called
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Key: MNG-5103
URL: http://jira.codehaus.org/browse/MNG-5103
Project: Maven 2 & 3
Issue Type: Bug
Components: Artifacts and Repositories
Affects Versions: 3.0
Environment: not env dependent
Reporter: Jared Roberts
Assignee: Benjamin Bentmann
getSelectedVersion() uses the versionRange variable directly instead of using getVersionRange() which creates the version range from version if its null.
This bug when using the appfuse warpath plugin when doing a double war overlay
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[jira] Commented: (MNG-5103) NPE thrown when
DefaultArtifact.getSelectedVersion is called
Posted by "Jared Roberts (JIRA)" <ji...@codehaus.org>.
[ http://jira.codehaus.org/browse/MNG-5103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=268362#action_268362 ]
Jared Roberts commented on MNG-5103:
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I'm resurrecting this from MNG-4887 because I also ran into the same issue. For certain artifacts, it seems that the versionRange does not get initialized and will throw an NPE when [{{DefaultArtifact.getSelectedVersion()}}|http://maven.apache.org/ref/2.2.1/maven-artifact/xref/org/apache/maven/artifact/DefaultArtifact.html#618] is called. I encountered it while using Maven 2.1.0 and 2.2.1. Switching to 3.0.1 resolved my specific issue, so I assume something changed in the way the Artifact gets created. The original poster referenced using {{DefaultArtifact.getVersionRange()}} where there is a relevant [comment|http://maven.apache.org/ref/2.2.1/maven-artifact/xref/org/apache/maven/artifact/DefaultArtifact.html#513] hinting that further investigation was probably needed.
I worked around the issue by using the following code block
{code:title=Before.java}
Artifact dep = ...;
ArtifactVersion selectedVersion = dep.getSelectedVersion();
{code}
{code:title=After.java}
Artifact dep = ...;
ArtifactVersion selectedVersion = dep.getVersionRange().getSelectedVersion(dep);
{code}
> NPE thrown when DefaultArtifact.getSelectedVersion is called
> ------------------------------------------------------------
>
> Key: MNG-5103
> URL: http://jira.codehaus.org/browse/MNG-5103
> Project: Maven 2 & 3
> Issue Type: Bug
> Components: Artifacts and Repositories
> Affects Versions: 3.0
> Environment: not env dependent
> Reporter: Jared Roberts
>
> getSelectedVersion() uses the versionRange variable directly instead of using getVersionRange() which creates the version range from version if its null.
> This bug when using the appfuse warpath plugin when doing a double war overlay
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