[ http://jira.codehaus.org/browse/MNG-688?page=comments#action_47155 ]
Rahul Thakur commented on MNG-688: ---------------------------------- Just wondering - could we extract all the [required] parameters/properties for a Mojo in runtime and create and display a usage/help message by default to the user when a plugin (any plugin) encounters <code> org.apache.maven.plugin.PluginParameterException </code> ? > m2 archetype:create without -DgroupId and -DartifactId throws exception > ----------------------------------------------------------------------- > > Key: MNG-688 > URL: http://jira.codehaus.org/browse/MNG-688 > Project: Maven 2 > Type: Bug > Components: maven-archetype-plugin > Versions: 2.0-alpha-3 > Reporter: Niklas Gustavsson > Priority: Minor > Fix For: 2.0-beta-4 > > > When running m2 archetype:create without the system properties -DgroupId and > -DartifactId an exception is thrown (see below). It would be great (and > probably helpful for developers) if these properties were asked for if > missing. > -------------------------------------------------------- > org.apache.maven.plugin.MojoExecutionException: Error configuring plugin for > exe > cution of 'archetype:create'. > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi > nManager.java:378) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa > ultLifecycleExecutor.java:169) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandalone > Goal(DefaultLifecycleExecutor.java:150) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau > ltLifecycleExecutor.java:133) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi > fecycleExecutor.java:103) > at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:261) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:180) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:269) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. > java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces > sorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:324) > at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:303) > at org.codehaus.classworlds.Launcher.launch(Launcher.java:243) > at > org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416) > at org.codehaus.classworlds.Launcher.main(Launcher.java:363) > Caused by: org.apache.maven.plugin.PluginParameterException: Invalid or > missing > parameters: [Mojo parameter [name: 'artifactId'; alias: 'null'], Mojo > parameter > [name: 'groupId'; alias: 'null']] for mojo: > org.apache.maven.plugins:maven-arche > type-plugin:1.0-alpha-1:create > at > org.apache.maven.plugin.DefaultPluginManager.checkRequiredParameters( > DefaultPluginManager.java:764) > at > org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(Defaul > tPluginManager.java:527) > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi > nManager.java:373) > ... 15 more -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]