ParseVersionMojo throws NPE when there is no qualifier
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Key: MBUILDHELPER-11
URL: http://jira.codehaus.org/browse/MBUILDHELPER-11
Project: Maven 2.x Build Helper Plugin
Issue Type: Bug
Affects Versions: 1.3
Reporter: Horst Studer
When the version has no qualifier (like version "1.0.0"), the ParseVersionMojo
throws a NullPointerException.
java.lang.NullPointerException
at java.util.Hashtable.put(Hashtable.java:394)
at java.util.Properties.setProperty(Properties.java:143)
at
org.codehaus.mojo.buildhelper.ParseVersionMojo.execute(ParseVersionMojo.java:108)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
The mojo creates an org.apache.maven.artifact.versioning.DefaultArtifactVersion
from the version string.
The DefaultArtifactVersion returns dafault values of 0 (zero) for all integer
version parts, but
getQualifier() returns null if there is no qualifier.
Thus
props.setProperty( propertyPrefix + ".qualifier",
artifactVersion.getQualifier() );
causes a NullPointerException.
It would probably be the best solution to set an empty string value if there is
no qualifier:
String qualifier = artifactVersion.getQualifier();
props.setProperty(propertyPrefix + ".qualifier", qualifier != null ?
qualifier : "");
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