[
https://jira.codehaus.org/browse/MPLUGIN-240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=318476#comment-318476
]
Martin Gainty commented on MPLUGIN-240:
---------------------------------------
Test-harness
<plugin>
<groupId>org.codehaus.modello</groupId>
<artifactId>modello-maven-plugin</artifactId>
<version>1.1</version>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>java</goal>
</goals>
</execution>
</executions>
<configuration>
<version>1.0.0</version>
<modelFile>src/main/mdo/pluginRequirements.mdo</modelFile>
<models>
<model>src/main/mdo/pluginRequirements.mdo</model>
</models>
<useJava5>true</useJava5>
<packageWithVersion>true</packageWithVersion>
<outputDirectory>${project.build.directory}/generated-sources/modello</outputDirectory>
<encoding>${project.build.sourceEncoding}</encoding>
<domAsXpp3>false</domAsXpp3>
</configuration>
</plugin>
The error generated from test-harness:
org.codehaus.modello.maven.AbstractModelloGeneratorMojo
org.apache.maven.plugin.MojoExecutionException: Error generating: No such
plugin: java at
org.codehaus.modello.maven.AbstractModelloGeneratorMojo.doExecute(AbstractModelloGeneratorMojo.java:324)
plugin.xml contains:
<?xml version="1.0" encoding="UTF-8"?>
<plugin>
<name>Modello Maven Plugin</name>
<description>Modello Maven Plugin enables the use of Modello in Maven
builds.</description>
<groupId>org.codehaus.modello</groupId>
<artifactId>modello-maven-plugin</artifactId>
<version>1.1</version>
<goalPrefix>modello</goalPrefix>
<isolatedRealm>false</isolatedRealm>
<inheritedByDefault>true</inheritedByDefault>
<mojos>
<mojo>
<goal>java</goal>
<description>generates java sources from mdo</description>
<requiresDirectInvocation>false</requiresDirectInvocation>
<requiresProject>false</requiresProject>
<requiresReports>false</requiresReports>
<aggregator>false</aggregator>
<requiresOnline>false</requiresOnline>
<inheritedByDefault>true</inheritedByDefault>
<implementation>org.codehaus.modello.maven.ModelloJavaMojo</implementation>
<language>java</language>
<instantiationStrategy>per-lookup</instantiationStrategy>
<executionStrategy>once-per-session</executionStrategy>
<threadSafe>false</threadSafe>
<parameters>
<parameter>
<name>modelFile</name>
<type>java.lang.String</type>
<required>false</required>
<editable>true</editable>
<description>the model file</description>
</parameter>
<parameter>
<name>outputType</name>
<type>java.lang.String</type>
<required>true</required>
<editable>true</editable>
<description>Output type</description>
</parameter>
<parameter>
<name>outputDirectory</name>
<type>java.io.File</type>
<required>true</required>
<editable>true</editable>
<description>Output Directory</description>
</parameter>
<parameter>
<name>modelVersion</name>
<type>java.lang.String</type>
<required>true</required>
<editable>true</editable>
<description>version</description>
</parameter>
<parameter>
<name>packageWithVersion</name>
<type>java.lang.String</type>
<required>true</required>
<editable>true</editable>
<description>packgeWithVersion</description>
</parameter>
<parameter>
<name>useJava5</name>
<type>java.lang.String</type>
<required>true</required>
<editable>true</editable>
<description>useJava5</description>
</parameter>
<parameter>
<name>args</name>
<type>java.lang.String</type>
<required>false</required>
<editable>true</editable>
<description>model outputType output-directory modelVersion
packageWithVersion useJava5 encoding</description>
</parameter>
</parameters>
<configuration>
<modelFile implementation="java.lang.String"
default-value="src/main/mdo/pluginRequirements.mdo">${modelFile}</modelFile>
<outputType implementation="java.lang.String"
default-value="java">${outputType}</outputType>
<outputDirectory implementation="java.io.File"
default-value="${basedir}/target/generated-sources/modello">${outputDirectory}</outputDirectory>
<modelVersion implementation="java.lang.String"
default-value="1.0">${modelVersion}</modelVersion>
<packageWithVersion implementation="java.lang.String"
default-value="1.0">${packageWithVersion}</packageWithVersion>
<useJava5 implementation="java.lang.Boolean"
default-value="true">${useJava5}</useJava5>
<args implementation="java.lang.String"
default-value="src/main/mdo/pluginRequirements.mdo,java,generated-sources/modello,1.0,org.codehaus.modello.maven,true,UTF-8">${args}</args>
</configuration>
</mojo>
</mojos>
this is the class that the PluginManager locates..
Presumably because this is the only class which extends AbstractMojo
/**
* @author <a href="mailto:[email protected]";>Trygve Laugstøl</a>
* @version $Id$
* @threadSafe
*/
public abstract class AbstractModelloGeneratorMojo
extends org.apache.maven.plugin.AbstractMojo
{
public abstract void execute() {...}
}
//notice there is no @goal because this is an abstract class
//pluginManager does NOT use implementation class but backtraces to locate
//which class extends AbstractMojo
/*solution for plugin is to place all
functionality into concrete implementor
which contains @goal e.g. */
/*** Echos an object string to the output screen.
* @goal java
* @requiresProject false
@Mojo(name "java")
*/
public class ModelloJavaMojo extends AbstractMojo implements
org.codehaus.modello.core.ModelloCore
{ public void execute()
}
Questions or comments on why PluginManager is locating Abstract class which
extends AbstractMojo and not locating implementation Java class are eagerly
solicited
Martin
> PluginManager cannot locate @goal in Abstract Class in modello-maven-plugin
> ---------------------------------------------------------------------------
>
> Key: MPLUGIN-240
> URL: https://jira.codehaus.org/browse/MPLUGIN-240
> Project: Maven 2.x Plugin Tools
> Issue Type: Bug
> Components: Metadata Model
> Environment: maven 3.0.2 modello-maven-plugin-1.5
> Reporter: Martin Gainty
>
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