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https://jira.codehaus.org/browse/MPLUGIN-269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=354591#comment-354591
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Robert Scholte commented on MPLUGIN-269:
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The link doesn't work, but I've tried to reproduce it. This made me wonder:
what is the packaging-type of the dependency? I guess you haven't specified it,
so it falls back to the default, which is jar. In that case the code is correct.
You might also wonder if the design of the project is correct. Normally you
wouldn't extend a Maven plugin. If there is shared maven-plugin code, then
bundle those files in a jar and let any maven-plugin add that as a normal
jar-dependency.
> maven-plugin-tools-annotations does not work in builds which don't package
> --------------------------------------------------------------------------
>
> Key: MPLUGIN-269
> URL: https://jira.codehaus.org/browse/MPLUGIN-269
> Project: Maven Plugin Tools
> Issue Type: Bug
> Components: maven-plugin-tools-annotations
> Reporter: Igor Fedorenko
>
> When running descriptor goal inside m2e workspace, I get the following
> exception for plugin projects that depend on other plugin projects.
> {code}
> org.apache.maven.plugin.PluginExecutionException: Execution
> default-descriptor of goal
> org.apache.maven.plugins:maven-plugin-plugin:3.3:descriptor failed: The
> source must not be a directory.
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:143)
> at
> org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:328)
> at
> org.eclipse.m2e.core.internal.embedder.MavenImpl$10.call(MavenImpl.java:1355)
> at
> org.eclipse.m2e.core.internal.embedder.MavenImpl$10.call(MavenImpl.java:1)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:174)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:110)
> at
> org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1353)
> at
> org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:52)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:132)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:174)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:110)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:174)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:149)
> at
> org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:97)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86)
> at
> org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200)
> at
> org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734)
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)
> at
> org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:299)
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:302)
> at
> org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:358)
> at
> org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:381)
> at
> org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)
> at
> org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
> at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
> 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.tools.plugin.annotations.JavaAnnotationsMojoDescriptorExtractor.discoverClassesFromSourcesJar(JavaAnnotationsMojoDescriptorExtractor.java:220)
> at
> org.apache.maven.tools.plugin.annotations.JavaAnnotationsMojoDescriptorExtractor.scanJavadoc(JavaAnnotationsMojoDescriptorExtractor.java:172)
> at
> org.apache.maven.tools.plugin.annotations.JavaAnnotationsMojoDescriptorExtractor.execute(JavaAnnotationsMojoDescriptorExtractor.java:100)
> at
> org.apache.maven.tools.plugin.scanner.DefaultMojoScanner.populatePluginDescriptor(DefaultMojoScanner.java:96)
> at
> org.apache.maven.plugin.plugin.AbstractGeneratorMojo.execute(AbstractGeneratorMojo.java:243)
> at
> org.apache.maven.plugin.plugin.DescriptorGeneratorMojo.execute(DescriptorGeneratorMojo.java:90)
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
> ... 31 more
> {code}
> As a result, plugin.xml is not generated and the plugin cannot be used from
> m2e workspace directly.
> The same exception is thrown during multimodule reactor build invoked with
> "mvn clean process-classes -e".
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