[
https://issues.apache.org/jira/browse/MNGSITE-287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Scholte moved MNG-6033 to MNGSITE-287:
---------------------------------------------
Affects Version/s: (was: 3.3.9)
Component/s: (was: Documentation: Guides)
Key: MNGSITE-287 (was: MNG-6033)
Project: Maven Project Web Site (was: Maven)
> Maven plugin tutorial not working as expected?
> ----------------------------------------------
>
> Key: MNGSITE-287
> URL: https://issues.apache.org/jira/browse/MNGSITE-287
> Project: Maven Project Web Site
> Issue Type: Question
> Reporter: Utku Gultopu
>
> I am following the maven plugin
> [tutorial|https://maven.apache.org/guides/plugin/guide-java-plugin-development.html].
> I have created the the {{GreetingMojo}} class and the POM as described in the
> tutorial, and run {{mvn install}} but I am getting the same error as
> indicated in
> [this|http://stackoverflow.com/questions/18999401/basic-maven-plugin-project-not-working-mojo-plugin-descriptors-not-generating]
> question (also by the issue MNG-5346).
> [3.2.2 release notes|http://maven.apache.org/docs/3.2.2/release-notes.html]
> state that the issue is fixed. I have the 3.3.9 version of Maven. However, I
> still get:
> {{org.apache.maven.plugin.descriptor.InvalidPluginDescriptorException: No
> mojo definitions were found for plugin: sample.plugin:hello-maven-plugin}}
> The full stack trace is:
> {code}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-plugin-plugin:3.2:descriptor
> (default-descriptor) on project hello-maven-plugin: Error extracting plugin
> descriptor: 'No mojo definitions were found for plugin:
> sample.plugin:hello-maven-plugin.' -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-plugin-plugin:3.2:descriptor
> (default-descriptor) on project hello-maven-plugin: Error extracting plugin
> descriptor: 'No mojo definitions were found for plugin:
> sample.plugin:hello-maven-plugin.'
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
> 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:116)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
> at
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> at
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
> at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
> at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> Caused by: org.apache.maven.plugin.MojoExecutionException: Error extracting
> plugin descriptor: 'No mojo definitions were found for plugin:
> sample.plugin:hello-maven-plugin.'
> at
> org.apache.maven.plugin.plugin.AbstractGeneratorMojo.execute(AbstractGeneratorMojo.java:245)
> at
> org.apache.maven.plugin.plugin.DescriptorGeneratorMojo.execute(DescriptorGeneratorMojo.java:92)
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
> ... 20 more
> Caused by:
> org.apache.maven.plugin.descriptor.InvalidPluginDescriptorException: No mojo
> definitions were found for plugin: sample.plugin:hello-maven-plugin.
> at
> org.apache.maven.tools.plugin.scanner.DefaultMojoScanner.populatePluginDescriptor(DefaultMojoScanner.java:126)
> at
> org.apache.maven.plugin.plugin.AbstractGeneratorMojo.execute(AbstractGeneratorMojo.java:233)
> ... 23 more
> {code}
> Am I missing something here?
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