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Michael Berg commented on MDEP-194: ----------------------------------- @Art Actually "mvn install" did not work either for me, before the patch. That's how I noticed the problem in the first place, our CI server began to fail for no apparent reason during an "mvn install" build. I think "how it works" is the same regardless of which maven phase the unpack goal is bound to. It should be able to unpack files regardless. > ArchiverException when using maven dependency plugin in multi-module projects > ----------------------------------------------------------------------------- > > Key: MDEP-194 > URL: https://jira.codehaus.org/browse/MDEP-194 > Project: Maven 2.x Dependency Plugin > Issue Type: Bug > Affects Versions: 2.0 > Reporter: Sascha Hofer > Attachments: > maven-dependency-plugin-2.5-SNAPSHOT-copy-artifact2.patch, > maven-dependency-plugin-2.5-SNAPSHOT-copy-artifact.patch, > plexus-archiver-1.0-alpha-9-DirectoryUnArchiver.diff > > > 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} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://jira.codehaus.org/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira