Re: [M2] Tutorial example not working for me

Michael Owen Fri, 15 Jul 2005 04:00:05 -0700

Thanks for that. Now got another project having the hello plugin in itspom.xml, however, when running:


m2 hello:hello


in the other project, I get the following error:

Nonexistent component:org.codehaus.plexus.component.factory.ComponentFactorymarmalade



This is my pom.xml for the plugin:

<project>
 <modelVersion>4.0.0</modelVersion>

 <!-- for now, this is the only groupId acceptable for maven plugins -->
 <groupId>org.apache.maven.plugins</groupId>

 <!-- uses a standard naming convention -->
 <artifactId>maven-hello-plugin</artifactId>

<!-- uses this version, to make it usable without configuring this pluginfrom

  |   the project POM.
  -->
 <version>1.0-SNAPSHOT</version>

 <!-- Designate this project as building a maven plugin -->
 <packaging>maven-plugin</packaging>

 <name>Maven Hello World Plugin</name>

 <!--
   You might want to include additional information here
   eg the developers, organisation, and dependencies
 -->

 <build>
   <scriptSourceDirectory>src/main/scripts</scriptSourceDirectory>

<!-- Since the script source directory is only a marker for a resource,you| still have to declare that directory for resource inclusion whenyou

    |   build.
    -->
   <resources>
     <resource>
       <directory>src/main/scripts</directory>
       <includes><include>**/*.mmld</include></includes>
     </resource>
   </resources>
 </build>

<dependencies>
<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-plugin-api</artifactId>
<version>2.0-SNAPSHOT</version>
</dependency>

<dependency>
<groupId>marmalade</groupId>
<artifactId>marmalade-core</artifactId>
<version>1.0-alpha-4</version>
</dependency>

<dependency>
<groupId>marmalade</groupId>
<artifactId>marmalade-el-commons</artifactId>
<version>1.0-alpha-3</version>
</dependency>

<dependency>
<groupId>marmalade</groupId>
<artifactId>marmalade-tags-io</artifactId>
<version>1.0-alpha-3</version>
</dependency>

<dependency>
<groupId>org.apache.maven</groupId>
<artifactId>maven-script-marmalade</artifactId>
<version>2.0-SNAPSHOT</version>
</dependency>
</dependencies>

</project>

This is the script for the plugin:

<mojo xmlns="marmalade:mojo">
 <metadata>
   <goal>hello</goal>
   <description>Say Hello to the World.</description>
   <parameters>
     <parameter>
       <name>salutation</name>
       <expression>#salutation</expression>
       <default>Hello</default>

<description>The salutation to use in greeting theworld.</description>

     </parameter>
   </parameters>
 </metadata>
 <execute>
   <c:out xmlns:c="marmalade:core">${salutation}, World.</c:out>
 </execute>
</mojo>

This is how the plugin is declared in other project:

        <plugins>
                <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-hello-plugin</artifactId>
                <version>1.0-SNAPSHOT</version>
                </plugin>
        </plugins>


Any help that would be great. :)

Many thanks,

Mike

 >From: Edwin Punzalan<[EMAIL PROTECTED]> >Reply-To: "Maven Users List"<[email protected]> >To: Maven Users List<[email protected]> >Subject: Re: [M2] Tutorial example notworking for me >Date: Fri, 15 Jul 2005 17:59:13+0800 > >Did you check the repository? > >Anyway, touse the plugin, you should have a separate project >declaring theplugin in its pom. After that, the project can now >callhello:hello. > > > >Michael Owenwrote: > >> >>It doesn't give errors any more, andcreates the files in the >>target directory, however, doesn'tinstall the plugin in the local >>repository and the goals"m2 hello:hello" or "m2 hello" don'twork. >> >>Thanks for help btw.:) >> >>Mike >> >> &gt;From:Edwin Punzalan >>&lt;[EMAIL PROTECTED]&gt; &gt;Reply-To:&quot;Maven Users >>List&quot;&lt;[email protected]&gt; &gt;To: Maven Users >>List&lt;[email protected]&gt; &gt;Subject: Re: [M2] >>Tutorial example not working for me &gt;Date: Fri,15 Jul 2005 >>17:44:30+0800 &gt; &gt;have you tried removing the >>&lt;id&gt; tag from yourmojo? &gt; &gt;Michael Owen >>wrote: &gt; &gt;&gt;Hi, &gt;&gt; &gt;&gt;Firstly,I'm >>using Maven 2 alpha3. &gt;&gt; &gt;&gt;When I try to make to >>make the Marmalade plugin at >> &gt;&gt;http://maven.apache.org/maven2/developers/developing-plugins-with-marmalade.html, >> &gt;&gt;I get the following >>error: &gt;&gt; &gt;&gt;java.lang.NullPointerException &gt;&gt; >> at >> &gt;&gt;org.codehaus.marmalade.metamodel.AbstractMarmaladeTagLibrary.createTag(AbstractMarmaladeTagLibrary.java:59) &gt;&gt; &gt;&gt;... &gt;&gt;... &gt;&gt; &gt;&gt;I >>use the same pox.xml and hello.mmld as in the tutorial, so I >> &gt;&gt;confused why it won't work. Any >>ideas? &gt;&gt; &gt;&gt;Thanks, &gt;&gt; &gt;&gt;Mike &gt;&gt; &gt;&gt; &gt;&gt; &gt;&gt;--------------------------------------------------------------------- &gt;&gt;To >>unsubscribe, e-mail: >>[EMAIL PROTECTED] &gt;&gt;Foradditional >>commands, e-mail: >>[EMAIL PROTECTED] &gt;&gt; &gt; &gt;--------------------------------------------------------------------- &gt;To >>unsubscribe, e-mail:[EMAIL PROTECTED] &gt;For >>additional commands, e-mail: >>[EMAIL PROTECTED] &gt; >> >> >> >>--------------------------------------------------------------------- >>Tounsubscribe, e-mail: [EMAIL PROTECTED] >>Foradditional commands, e-mail:[EMAIL PROTECTED] >> > >--------------------------------------------------------------------- >Tounsubscribe, e-mail: [EMAIL PROTECTED] >Foradditional commands, e-mail: [EMAIL PROTECTED] > 




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