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From "Yudong Wang (JIRA)" <j...@codehaus.org>
Subject [jira] Created: (CONTINUUM-1527) NullPointer when Releasing without <configuration> node in the maven-release-plugin
Date Fri, 19 Oct 2007 12:41:52 GMT
NullPointer when Releasing without <configuration> node in the maven-release-plugin
-----------------------------------------------------------------------------------

                 Key: CONTINUUM-1527
                 URL: http://jira.codehaus.org/browse/CONTINUUM-1527
             Project: Continuum
          Issue Type: Bug
          Components: Release
    Affects Versions: 1.1-beta-3
            Reporter: Yudong Wang


If a pom file contains following, which is correct:
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-release-plugin</artifactId>
</plugin>

In the web ui, choose prepare release, this will cause NullPointerException at:
org.apache.maven.continuum.web.action.ReleasePrepareAction.getReleasePluginParameters(ReleasePrepareAction.java:142)
                if ( plugin.getGroupId() != null && plugin.getGroupId().equals( "org.apache.maven.plugins"
) &&
                    plugin.getArtifactId() != null && plugin.getArtifactId().equals(
"maven-release-plugin" ) )
                {
                    Xpp3Dom dom = (Xpp3Dom) plugin.getConfiguration();

line 142                    Xpp3Dom configuration = dom.getChild( "releaseLabel" );

Cause:
Since the plugin defines no <configuration> node, plugin.getConfiguration() returns
null

Workaround:
add empty <configuration>, for example:
			<plugin>
		        <groupId>org.apache.maven.plugins</groupId>
		        <artifactId>maven-release-plugin</artifactId>
				<configuration>
				<!-- empty configuration node when we have nothing to configure, this is needed due
a bug in continuum 1.1-beta-3 -->
        		</configuration>		        
      		</plugin>


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