Re: Running Doxia from Subversion

[Brett Porter <br...@apache.org>]

Make sure you have v2.0.1 of the maven-help-plugin

Elliot Metsger wrote:
> Hi Everyone,
> 
> I'm on Linux, Java 1.4.2, Maven 2.0.4.
> 
> It looks like there are some neat improvments being added to the Maven Site
> mojo [0].  I'm attempting to learn what elements can be placed into the site
> descriptor, and to puzzle out the behavior I am seeing with the <menu ...
> inherit="bottom"/> element.
> 
> To that end I've started to dig into the Site mojo and discovered most of
> the information I need/want is a part of Doxia.  So I've started digging
> into Doxia.  I've not quite got my head around figuring out the possible
> elements that are allowed to go into a site descriptor.  I've been spending
> time with DefaultDecorationModelInheritanceAssembler to figure out the menu
> inheritance and the classes in org.apache.maven.doxia.site.decoration.
> 
> Anyway, when I'm rendering my site using the Site mojo (built from svn
> successfully - [1]) things like breadcrumbs don't seem to be rendering like
> I would expect, and things like menu inheritance seem funny.  So I attempted
> to build Doxia from source, and I'm running into problems - I can 'mvn
> install' ok, but I can't query for the version of the installed artifact
> using 'mvn help:describe'.  Any help is appreciated!!!!
> 
> Thanks, Elliot
> 
> 
> [0]: per http://docs.codehaus.org/display/MAVEN/Sites+and+Inheritence
> [1]: http://www.nabble.com/Running-maven-site-plugin-from-svn-t1462915.html
> 
> 
> Here are the steps I've taken and the errors I'm receiving:
> 
> 1. Removed existing Doxia artifacts from local repository (rm -rf'ed
> ~/.m2/repository/org/apache/maven/doxia*)
> 
> 2. Checked out Doxia from Subversion - r395007 ('svn co
> https://svn.apache.org/repos/asf/maven/doxia/trunk')
> 
> 3. Built Doxia: 'mvn install -DupdateReleaseInfo=true'
>     - I notice that Maven attempts to get snapshot jars, even though I don't
> have any defined in ~/.m2/settings.xml (I presume that the snapshot settings
> are defined in the pom's of the Doxia artifacts)
>     - All jars seem to be installed: selected output:
> [INFO] Installing /home/esm/src/doxia/trunk/pom.xml to
> /home/esm/.m2/repository/org/apache/maven/doxia/doxia/1.0-alpha-8-SNAPSHOT/doxia-1.0-alpha-8-SNAPSHOT.pom
> ... snip ...
> [INFO] Installing
> /home/esm/src/doxia/trunk/doxia-modules/doxia-module-twiki/target/doxia-module-twiki-1.0-alpha-8-SNAPSHOT.jar
> to
> /home/esm/.m2/repository/org/apache/maven/doxia/doxia-module-twiki/1.0-alpha-8-SNAPSHOT/doxia-module-twiki-1.0-alpha-8-SNAPSHOT.jar
> 
> 4. BUT, I can't query Doxia using 'mvn help:describe':
> [esm@clue doxia-decoration-model]$ mvn help:describe
> -DartifactId=doxia-decoration-model -DgroupId=org.apache.maven.doxia
> [INFO] Scanning for projects...
> [INFO] Searching repository for plugin with prefix: 'help'.
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Building Doxia Decoration Model
> [INFO]    task-segment: [help:describe] (aggregator-style)
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] [help:describe]
> [INFO] artifact org.apache.maven.doxia:doxia-decoration-model: checking for
> updates from central
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
>         at
> org.apache.maven.plugin.DefaultPluginManager.addPlugin(DefaultPluginManager.java:292)
>         at
> org.apache.maven.plugin.DefaultPluginManager.verifyVersionedPlugin(DefaultPluginManager.java:198)
>         at
> org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManager.java:163)
>         at
> org.apache.maven.plugins.help.DescribeMojo.lookupPluginDescriptor(DescribeMojo.java:307)
>         at
> org.apache.maven.plugins.help.DescribeMojo.execute(DescribeMojo.java:212)
>         at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:412)
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:534)
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:488)
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:458)
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:306)
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:219)
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:140)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
>         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:324)
>         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)
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 1 second
> [INFO] Finished at: Tue Apr 18 15:47:46 EDT 2006
> [INFO] Final Memory: 3M/6M
> [INFO]
> ------------------------------------------------------------------------
> --
> View this message in context: http://www.nabble.com/Running-Doxia-from-Subversion-t1470360.html#a3975587
> Sent from the Doxia - Users forum at Nabble.com.
>