[
https://jira.codehaus.org/browse/MDEP-187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=277905#comment-277905
]
Walt commented on MDEP-187:
---------------------------
I'm hitting this problem from the command line.
[code]
<plugin>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>obtain instrumentation candidates</id>
<phase>generate-sources</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>${project.groupId}</groupId>
<artifactId>my-control-plugins</artifactId>
</artifactItem>
<artifactItem>
<groupId>${project.groupId}</groupId>
<artifactId>my-control-plugins</artifactId>
<classifier>sources</classifier>
<includes>**/GeneratedPlugin.java</includes>
<outputDirectory>${project.build.sourceDirectory}</outputDirectory>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
[/code]
gives me
[code]
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-dependency-plugin:2.3:unpack (obtain
instrumentation candidates) on project my-control-plugins-cobertura: Error
unpacking file:
/home/me/devel/my/execution/exec-plugins/my-control-plugins/target/classes to:
/home/me/devel/execution/exec-plugins/my-control-plugins-cobertura/target/dependency
[ERROR] org.codehaus.plexus.archiver.ArchiverException: The source must not be
a directory.
[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-dependency-plugin:2.3:unpack (obtain
instrumentation candidates) on project oo-control-plugins-cobertura: Error
unpacking file:
/home/me/devel/execution/exec-plugins/my-control-plugins/target/classes to:
/home/me/devel/execution/exec-plugins/my-control-plugins-cobertura/target/dependency
org.codehaus.plexus.archiver.ArchiverException: The source must not be a
directory.
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error unpacking
file: /home/me/devel/execution/exec-plugins/my-control-plugins/target/classes
to:
/home/me/devel/execution/exec-plugins/my-control-plugins-cobertura/target/dependency
org.codehaus.plexus.archiver.ArchiverException: The source must not be a
directory.
at
org.apache.maven.plugin.dependency.AbstractDependencyMojo.unpack(AbstractDependencyMojo.java:267)
at
org.apache.maven.plugin.dependency.fromConfiguration.UnpackMojo.unpackArtifact(UnpackMojo.java:116)
at
org.apache.maven.plugin.dependency.fromConfiguration.UnpackMojo.execute(UnpackMojo.java:94)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
... 19 more
Caused by: org.codehaus.plexus.archiver.ArchiverException: The source must not
be a directory.
at
org.codehaus.plexus.archiver.AbstractUnArchiver.validate(AbstractUnArchiver.java:185)
at
org.codehaus.plexus.archiver.AbstractUnArchiver.extract(AbstractUnArchiver.java:118)
at
org.apache.maven.plugin.dependency.AbstractDependencyMojo.unpack(AbstractDependencyMojo.java:258)
... 23 more
[/code]
>From the looks of it, this has been an issue now for 4 years and it's still
>not fixed?????
> dependency:copy fails when invoked from m2e with workspace resolution enabled
> -----------------------------------------------------------------------------
>
> Key: MDEP-187
> URL: https://jira.codehaus.org/browse/MDEP-187
> Project: Maven 2.x Dependency Plugin
> Issue Type: Bug
> Affects Versions: 2.1
> Reporter: Igor Fedorenko
> Assignee: Brian Fox
> Attachments: MDEP-187b.diff, MDEP-187.diff
>
>
> m2e resolves workspace artifacts to their output folders but dependency:copy
> expects all artifacts to be files. I will provide trivial patch shortly.
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