[jira] Commented: (MDEP-194) ArchiverException when using maven dependency plugin in multi-module projects

["Brett Porter (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/MDEP-194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=158414#action_158414 ] 

Brett Porter commented on MDEP-194:
-----------------------------------

recent discussion has indicated that Maven may have to retain the passing in of directories even if the JAR has been built. THe dependency plugin will need to handle these more gracefully.

> ArchiverException when using maven dependency plugin in multi-module projects
> -----------------------------------------------------------------------------
>
>                 Key: MDEP-194
>                 URL: http://jira.codehaus.org/browse/MDEP-194
>             Project: Maven 2.x Dependency Plugin
>          Issue Type: Bug
>    Affects Versions: 2.0
>            Reporter: Sascha Hofer
>
> Having the following module hierarchy the _unpack-dependencies_ goal of the _maven-dependency-plugin_ produces an _ArchiverException_.
> * A
> ** B
> ** C (depends on B)
> I took a quick look into the code and found that when unpacking the dependencies of module *C* the method _unpack(File, File, String, String)_ of class _org.apache.maven.plugin.dependency.AbstractDependencyMojo_ gets passed the *target/classes* directory of *B* as source file (instead of the created jar).
> part of the pom.xml which caused the error:
> {noformat}
> <profile>
>   <id>multi-module-coverage</id>
>   <build>
>     <plugins>
>       <plugin>
>         <groupId>org.apache.maven.plugins</groupId>
>         <artifactId>maven-dependency-plugin</artifactId>
>         <executions>
>           <execution>
>             <id>unpack-dependencies</id>
>             <phase>process-classes</phase>
>             <goals>
>               <goal>unpack-dependencies</goal>
>             </goals>
>             <configuration>
>               <outputDirectory>${project.build.directory}/classes</outputDirectory>
>               <excludeClassifiers>tests</excludeClassifiers>
>             </configuration>
>           </execution>
>         </executions>
>       </plugin>
>     </plugins>
>   </build>
> </profile>
> {noformat}
> exception:
> {noformat}
> org.codehaus.plexus.archiver.ArchiverException: The source must not be a directory.
>         at org.codehaus.plexus.archiver.AbstractUnArchiver.validate(AbstractUnArchiver.java:174)
>         at org.codehaus.plexus.archiver.AbstractUnArchiver.extract(AbstractUnArchiver.java:107)
>         at org.apache.maven.plugin.dependency.AbstractDependencyMojo.unpack(AbstractDependencyMojo.java:266)
>         at org.apache.maven.plugin.dependency.UnpackDependenciesMojo.execute(UnpackDependenciesMojo.java:90)
>         at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:447)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:333)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:126)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:282)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> {noformat}

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