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From "Brian Fox (JIRA)" <j...@codehaus.org>
Subject [jira] Closed: (MNG-3372) dependency:tree throws exception
Date Thu, 06 Mar 2008 01:31:28 GMT

     [ http://jira.codehaus.org/browse/MNG-3372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brian Fox closed MNG-3372.
--------------------------

       Resolution: Cannot Reproduce
    Fix Version/s:     (was: 2.0.9)

Not able to reproduce this.

> dependency:tree throws exception
> --------------------------------
>
>                 Key: MNG-3372
>                 URL: http://jira.codehaus.org/browse/MNG-3372
>             Project: Maven 2
>          Issue Type: Bug
>          Components: Artifacts and Repositories
>    Affects Versions: 2.0.8
>            Reporter: Simon Kitching
>            Assignee: Brian Fox
>         Attachments: pom.xml
>
>
> Running
>    mvn -Papache org.apache.maven.plugins:maven-dependency-plugin:2.0-alpha-5-SNAPSHOT:tree

> on a pom containing the following entry throws an exception, unless an exclusion is applied
as shown below.
> 		<dependency>
> 			<groupId>jasperreports</groupId>
> 			<artifactId>jasperreports</artifactId>
> 			<version>2.0.0</version>
> 			<scope>compile</scope>
> 			<exclusions>
> 				<!-- This exclusion needed to avoid crash in dependency:tree version 2.0-alpha-5-SNAPSHOT
-->
> 				<exclusion>
> 					<groupId>commons-digester</groupId>
> 					<artifactId>commons-digester</artifactId>
> 				</exclusion>
> 				<exclusion>
> 					<groupId>xml-apis</groupId>
> 					<artifactId>xml-apis</artifactId>
> 				</exclusion>
> 				<exclusion>
> 					<groupId>eclipse</groupId>
> 					<artifactId>jdtcore</artifactId>
> 				</exclusion>
> 			</exclusions>
> 		</dependency>
> 		<dependency>
> 			<groupId>commons-digester</groupId>
> 			<artifactId>commons-digester</artifactId>
> 			<version>1.8</version>
> 			<scope>compile</scope>
> 		</dependency>
> Exception:
> [ERROR] FATAL ERROR
> [INFO] ------------------------------------------------------------------------
> [INFO] version was null for commons-digester:commons-digester
> [INFO] ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException: version was null for commons-digester:commons-digester
>         at org.apache.maven.artifact.DefaultArtifact.getBaseVersion(DefaultArtifact.java:362)
>         at org.apache.maven.artifact.DefaultArtifact.getId(DefaultArtifact.java:225)
>         at org.apache.maven.shared.dependency.tree.DependencyTreeResolutionListener.flushDependencyManagement(DependencyTreeResolutionListener.java:524)
>         at org.apache.maven.shared.dependency.tree.DependencyTreeResolutionListener.omitForNearer(DependencyTreeResolutionListener.java:209)
>         at org.apache.maven.artifact.resolver.DefaultArtifactCollector.fireEvent(DefaultArtifactCollector.java:487)
>         at org.apache.maven.artifact.resolver.DefaultArtifactCollector.fireEvent(DefaultArtifactCollector.java:462)
>         at org.apache.maven.artifact.resolver.DefaultArtifactCollector.recurse(DefaultArtifactCollector.java:234)
>         at org.apache.maven.artifact.resolver.DefaultArtifactCollector.recurse(DefaultArtifactCollector.java:370)
>         at org.apache.maven.artifact.resolver.DefaultArtifactCollector.recurse(DefaultArtifactCollector.java:370)
>         at org.apache.maven.artifact.resolver.DefaultArtifactCollector.collect(DefaultArtifactCollector.java:76)
>         at org.apache.maven.shared.dependency.tree.DefaultDependencyTreeBuilder.buildDependencyTree(DefaultDependencyTreeBuilder.java:102)
>         at org.apache.maven.plugin.dependency.TreeMojo.execute(TreeMojo.java:218)
> My uneducated guess is that for that particular version of the dependency, neither the
dependency's pom nor any parent pom defines a version for commons-digester.
> PS: dependency:tree rocks!

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