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From "Kevin McNamee" <kevin.mcna...@symsoft.se>
Subject RE: [m2] Can't get hello world plugin to work
Date Wed, 19 Oct 2005 11:39:53 GMT
Hi Brett,

I have joined the Developer's mailing list since it contains wealth of
information about what is going on in Maven2. 

For instance, there has been no announcement on the User's list that
Marmalade would not be supported. In fact I believe the right thing to do is
to include plugins like Marmalade on the Plugin Matrix and flag them as
obsolete/unsupported giving a reason why or a hyperlink.

Regarding the stack trace below, I see the same trace appearing in the
continuum build log file:
http://maven.zones.apache.org/~maven/logs/m2-build-log-20051019.110000.txt
So, does this merit a bug report since it affects plugins other than
Marmalade?

Regards,
Kevin


-----Original Message-----
From: Brett Porter [mailto:brett.porter@gmail.com] 
Sent: 18 October 2005 21:31
To: Maven Users List
Subject: Re: [m2] Can't get hello world plugin to work

Kevin,

Oh, I hadn't read your earlier messages. Marmalade support was removed
from Maven 2.0. It is now part of the marmalade project and will be
released when it is mature enough.

- Brett

On 10/18/05, Kevin McNamee <kevin.mcnamee@symsoft.se> wrote:
> Hi Brett,
>
> I assume that the goal is declared in the Marmalade script:
>
> <mojo xmlns="marmalade:mojo">
>   <metadata>
>     <goal>hello</goal>
>     <description>Say Hello to the World.</description>
>   </metadata>
>   <execute>
>     <c:out xmlns:c="marmalade:core">Hello, World</c:out>
>   </execute>
> </mojo>
>
> This comes from the example at
>
http://maven.apache.org/maven2/developers/developing-plugins-with-marmalade.
> html
>
> In any case I have given up on Marmalade since it will not be officially
> supported.
>
> /Kevin
>
>
> -----Original Message-----
> From: Brett Porter [mailto:brett.porter@gmail.com]
> Sent: 18 October 2005 04:52
> To: Maven Users List
> Subject: Re: [m2] Can't get hello world plugin to work
>
> Did you declare a @goal ?
>
> - Brett
>
> On 10/17/05, Kevin McNamee <kevin.mcnamee@symsoft.se> wrote:
> > Hi again,
> >
> > I updated to Maven 2.0 RC and reran the demo, with the same result (see
> > below)
> >
> > What is the problem? Why can't it find my plugin? Why is it throwing an
> > exception? Please help.
> >
> > Much appreciated,
> > Kevin
> >
> >
> >
> > maven-hello-plugin> m2 install -DupdateReleaseInfo=true
> > [INFO] Scanning for projects...
> > [INFO]
> >
>
----------------------------------------------------------------------------
> > [INFO] Building Maven Hello World Plugin
> > [INFO]    task-segment: [install]
> > [INFO]
> >
>
----------------------------------------------------------------------------
> > [INFO] [plugin:descriptor]
> > [INFO] [resources:resources]
> > [INFO] Using default encoding to copy filtered resources.
> > [INFO] [compiler:compile]
> > [INFO] No sources to compile
> > [INFO] [resources:testResources]
> > [INFO] Using default encoding to copy filtered resources.
> > [INFO] [compiler:testCompile]
> > [INFO] No sources to compile
> > [INFO] [surefire:test]
> > [INFO] Setting reports dir:
> > /home/kevin/m2_test/maven-hello-plugin/target/surefire-reports
> >
> > -------------------------------------------------------
> >  T E S T S
> > -------------------------------------------------------
> > There are no test to run.
> >
> > Results :
> > [surefire] Tests run: 0, Failures: 0, Errors: 0
> >
> > [INFO] [jar:jar]
> > [INFO] Building jar:
> >
>
/home/kevin/m2_test/maven-hello-plugin/target/maven-hello-plugin-1.0-SNAPSHO
> > T.jar
> > [INFO] [plugin:addPluginArtifactMetadata]
> > [INFO] [install:install]
> > [INFO] Installing
> >
>
/home/kevin/m2_test/maven-hello-plugin/target/maven-hello-plugin-1.0-SNAPSHO
> > T.jar to /home/kevin/.m2/rep
> >
>
ository/org/apache/maven/plugins/maven-hello-plugin/1.0-SNAPSHOT/maven-hello
> > -plugin-1.0-SNAPSHOT.jar
> > [INFO] [plugin:updateRegistry]
> > [INFO]
> >
>
----------------------------------------------------------------------------
> > [INFO] BUILD SUCCESSFUL
> > [INFO]
> >
>
----------------------------------------------------------------------------
> > [INFO] Total time: 9 seconds
> > [INFO] Finished at: Mon Oct 17 11:21:47 MEST 2005
> > [INFO] Final Memory: 3M/8M
> > [INFO]
> >
>
----------------------------------------------------------------------------
> >
> > maven-hello-plugin> m2 hello:hello
> > [INFO] Scanning for projects...
> > [INFO] Searching repository for plugin with prefix: 'hello'.
> > [INFO]
> >
>
----------------------------------------------------------------------------
> > [ERROR] FATAL ERROR
> > [INFO]
> >
>
----------------------------------------------------------------------------
> > [INFO] null
> > [INFO]
> >
>
----------------------------------------------------------------------------
> > [INFO] Trace
> > java.lang.NullPointerException
> >         at
> >
>
org.apache.maven.plugin.descriptor.PluginDescriptor.getMojo(PluginDescriptor
> > .java:261)
> >         at
> >
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
> > tLifecycleExecutor.java:1363)
> >         at
> >
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
> > tionNeeds(DefaultLifecycleExecutor.
> > java:376)
> >         at
> >
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
> > Executor.java:132)
> >         at
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:316)
> >         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:113)
> >         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
> >         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: Mon Oct 17 11:26:30 MEST 2005
> > [INFO] Final Memory: 1M/4M
> > [INFO]
> >
>
----------------------------------------------------------------------------
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: Kevin McNamee [mailto:kevin.mcnamee@symsoft.se]
> > Sent: 14 October 2005 14:25
> > To: 'Maven Users List'
> > Subject: RE: [m2] Can't get hello world plugin to work
> >
> > Hi Yann,
> >
> >
> >
> > Ok I ran
> >
> >
> >
> > Now I get
> >
> >
> >
> > my:maven-hello-plugin> m2 hello:hello
> >
> > [INFO] Searching repository for plugin with prefix: 'hello'.
> >
> > ---------------------------------------------------
> >
> > constituent[0]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-core-2.0-beta-3.jar
> >
> > constituent[1]:
> >
>
file:/proj/local/maven-2.0-beta-3/lib/maven-artifact-manager-2.0-beta-3.jar
> >
> > constituent[2]:
> >
file:/proj/local/maven-2.0-beta-3/lib/plexus-input-handler-1.0-alpha-2.jar
> >
> > constituent[3]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-plugin-api-2.0-beta-3.jar
> >
> > constituent[4]:
> >
>
file:/proj/local/maven-2.0-beta-3/lib/maven-plugin-descriptor-2.0-beta-3.jar
> >
> > constituent[5]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-artifact-2.0-beta-3.jar
> >
> > constituent[6]:
file:/proj/local/maven-2.0-beta-3/lib/commons-cli-1.0.jar
> >
> > constituent[7]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-model-2.0-beta-3.jar
> >
> > constituent[8]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-settings-2.0-beta-3.jar
> >
> > constituent[9]:
> >
>
file:/proj/local/maven-2.0-beta-3/lib/maven-repository-metadata-2.0-beta-3.j
> > ar
> >
> > constituent[10]: file:/proj/local/maven-2.0-beta-3/lib/jsch-0.1.21.jar
> >
> > constituent[11]:
> > file:/proj/local/maven-2.0-beta-3/lib/wagon-provider-api-1.0-alpha-4.jar
> >
> > constituent[12]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-monitor-2.0-beta-3.jar
> >
> > constituent[13]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-reporting-api-2.0-beta-3.jar
> >
> > constituent[14]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-profile-2.0-beta-3.jar
> >
> > constituent[15]:
> > file:/proj/local/maven-2.0-beta-3/lib/wagon-file-1.0-alpha-4.jar
> >
> > constituent[16]:
> > file:/proj/local/maven-2.0-beta-3/lib/maven-project-2.0-beta-3.jar
> >
> > constituent[17]:
> >
file:/proj/local/maven-2.0-beta-3/lib/maven-plugin-registry-2.0-beta-3.jar
> >
> > constituent[18]: file:/proj/local/maven-2.0-beta-3/lib/jline-0.9.1.jar
> >
> > constituent[19]:
> >
>
file:/proj/local/maven-2.0-beta-3/lib/maven-plugin-parameter-documenter-2.0-
> > beta-3.jar
> >
> > constituent[20]:
> > file:/proj/local/maven-2.0-beta-3/lib/doxia-sink-api-1.0-alpha-4.jar
> >
> > constituent[21]:
> > file:/proj/local/maven-2.0-beta-3/lib/wagon-ssh-1.0-alpha-4.jar
> >
> > constituent[22]:
> >
>
file:/proj/local/maven-2.0-beta-3/lib/wagon-http-lightweight-1.0-alpha-4.jar
> >
> > ---------------------------------------------------
> >
> > java.lang.NullPointerException
> >
> >         at
> >
>
org.apache.maven.plugin.descriptor.PluginDescriptor.getMojo(PluginDescriptor
> > .java:258)
> >
> >         at
> >
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
> > tLifecycleExecutor.java:1294)
> >
> >         at
> >
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
> > tionNeeds(DefaultLifecycleExecutor.java:420)
> >
> >         at
> >
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
> > Executor.java:132)
> >
> >         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:217)
> >
> >         at org.apache.maven.cli.MavenCli.main(MavenCli.java:247)
> >
> >         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)
> >
> >
> >
> > /Kevin
> >
> >
> >
> > -----Original Message-----
> > From: Yann Le Du [mailto:leduyann@yahoo.com]
> > Sent: 14 October 2005 13:53
> > To: Maven Users List
> > Subject: RE: [m2] Can't get hello world plugin to work
> >
> >
> >
> > Hi Kevin,
> >
> >
> >
> > Try install again the plugin with this extra option :
> >
> > m2 install -DupdateReleaseInfo=true
> >
> >
> >
> > Yann
> >
> >
> >
> > --- Kevin McNamee <kevin.mcnamee@symsoft.se> a écrit :
> >
> >
> >
> > > Of course I meant after installation when I try to test the plugin.
> >
> > >
> >
> > >
> >
> > >
> >
> > > Also I am using maven 2.0 Beta 3.
> >
> > >
> >
> > >
> >
> > >
> >
> > > /Kevin
> >
> > >
> >
> > >
> >
> > >
> >
> > >   _____
> >
> > >
> >
> > > From: Kevin McNamee [mailto:kevin.mcnamee@symsoft.se]
> >
> > > Sent: 13 October 2005 16:17
> >
> > > To: 'Maven Users List'
> >
> > > Subject: [m2] Can't get hello world plugin to work
> >
> > >
> >
> > >
> >
> > >
> >
> > > Hi,
> >
> > >
> >
> > >
> >
> > >
> >
> > > I have been trying to get the Hello World plugin to work following the
> >
> > > instructions at
> >
> > >
> >
> > >
> >
>
http://maven.apache.org/maven2/developers/developing-plugins-with-marmalade.
> >
> > > html
> >
> > >
> >
> > >
> >
> > >
> >
> > > But then when I do the install I get:
> >
> > >
> >
> > >
> >
> > >
> >
> > > :maven-hello-plugin> m2 hello:hello
> >
> > >
> >
> > > [INFO] Searching repository for plugin with prefix: 'hello'.
> >
> > >
> >
> > > [WARNING]
> >
> > >
> >
> > >   ***** Using defaults for missing POM
> >
> > > org.apache.maven.plugins:maven-hello-plugin:pom:RELEASE *****
> >
> > >
> >
> > >
> >
> > >
> >
> > > [INFO] Cannot find mojo descriptor for: 'hello:hello' - Treating as
> >
> > > non-aggregator.
> >
> > >
> >
> > > [INFO]
> >
> > >
> >
>
----------------------------------------------------------------------------
> >
> > >
> >
> > > [INFO] Building Maven Hello World Plugin
> >
> > >
> >
> > > [INFO]    task-segment: [hello:hello]
> >
> > >
> >
> > > [INFO]
> >
> > >
> >
>
----------------------------------------------------------------------------
> >
> > >
> >
> > > [INFO]
> >
> > >
> >
>
----------------------------------------------------------------------------
> >
> > >
> >
> > > [ERROR] FATAL ERROR
> >
> > >
> >
> > > [INFO]
> >
> > >
> >
>
----------------------------------------------------------------------------
> >
> > >
> >
> > > [INFO] Diagnosis: Error resolving plugin version
> >
> > >
> >
> > > [INFO]
> >
> > >
> >
>
----------------------------------------------------------------------------
> >
> > >
> >
> > > [INFO]
> >
> > >
> >
>
----------------------------------------------------------------------------
> >
> > >
> >
> > > [ERROR] FATAL ERROR
> >
> > >
> >
> > > [INFO]
> >
> > >
> >
>
----------------------------------------------------------------------------
> >
> > >
> >
> > > FATAL ERROR: Error executing Maven for a project
> >
> > >
> >
> > > For more information, run with the -e flag
> >
> > >
> >
> > >
> >
> > >
> >
> > > Any ideas?
> >
> > >
> >
> > >
> >
> > >
> >
> > > Much appreciated,
> >
> > >
> >
> > > Kevin
> >
> > >
> >
> > >
> >
> > >
> >
> > >
> >
> > > ________________________________________________________
> >
> > >
> >
> > >
> >
> > >
> >
> > >
> >
> > >
> >
> > >
> >
> > >
> >
> > >  <http://www.symsoft.se>
> >
> > >
> >
> > > Kevin McNamee
> >
> > > Design Engineer
> >
> > > Symsoft AB Kista Science Tower
> >
> > >
> >
> > > TEL
> >
> > > FAX
> >
> > > GSM
> >
> > >
> >
> > > +46 8 503 86 637
> >
> > > +46 8 566 166 01
> >
> > > +46 702 49 12 92
> >
> > >
> >
> > >
> >
> > >
> >
> > >
> >
> > > Färögatan 33, Box 1219
> >
> > > SE-164 28 Kista, Sweden
> >
> > >
> >
> > >  <mailto:kevin.mcnamee@symsoft.se> kevin.mcnamee@symsoft.se
> >
> > >  <http://www.symsoft.se> www.symsoft.se
> >
> > >
> >
> > >
> >
> > >
> >
> > >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
___________________________________________________________________________
> >
> > Appel audio GRATUIT partout dans le monde avec le nouveau Yahoo!
Messenger
> >
> > Téléchargez cette version sur http://fr.messenger.yahoo.com
> >
> >
> >
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