XDoclet plugin doesn't work anymore (Class
'org.codehaus.classworlds.ClassRealm' cannot be instantiated" error message)
-----------------------------------------------------------------------------------------------------------------------
Key: MNG-2895
URL: http://jira.codehaus.org/browse/MNG-2895
Project: Maven 2
Issue Type: Bug
Components: Errors
Affects Versions: 2.1.x
Reporter: Vincent Massol
* It works fine in 2.0.5, fails in Maven 2.1.x (built from trunk on 24/3/2007):
{noformat}
INFO] Error for project: Maven Clover Plugin XDoclet Sample (during
org.codehaus.mojo:xdoclet-maven-plugin:1.0-alpha-2:xdoclet)
[INFO] ------------------------------------------------------------------------
[INFO] Failed to configure plugin parameters for:
org.codehaus.mojo:xdoclet-maven-plugin:1.0-alpha-2
on the command line, specify: '-DdummyExpression=VALUE'
Cause: Class 'org.codehaus.classworlds.ClassRealm' cannot be instantiated
[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Error configuring:
org.codehaus.mojo:xdoclet-maven-plugin. Reason: Unable to parse the created DOM
for plugin configuration
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:388)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:260)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:146)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:304)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:124)
at
org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:906)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:369)
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:585)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:408)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:351)
Caused by: org.apache.maven.plugin.PluginConfigurationException: Error
configuring: org.codehaus.mojo:xdoclet-maven-plugin. Reason: Unable to parse
the created DOM for plugin configuration
at
org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1180)
at
org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:822)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:590)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:359)
... 14 more
Caused by:
org.codehaus.plexus.component.configurator.ComponentConfigurationException:
Class 'org.codehaus.classworlds.ClassRealm' cannot be instantiated
at
org.codehaus.plexus.component.configurator.converters.AbstractConfigurationConverter.instantiateObject(AbstractConfigurationConverter.java:133)
at
org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.fromConfiguration(ObjectWithFieldsConverter.java:86)
at
org.codehaus.plexus.component.configurator.converters.ComponentValueSetter.configure(ComponentValueSetter.java:247)
at
org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:135)
at
org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:56)
at
org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1174)
... 17 more
Caused by: java.lang.InstantiationException: org.codehaus.classworlds.ClassRealm
at java.lang.Class.newInstance0(Class.java:335)
at java.lang.Class.newInstance(Class.java:303)
at
org.codehaus.plexus.component.configurator.converters.AbstractConfigurationConverter.instantiateObject(AbstractConfigurationConverter.java:123)
... 22 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD ERRORS
[INFO] ------------------------------------------------------------------------
{noformat}
POM:
{code}
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-clover-plugin-sample-xdoclet</artifactId>
<packaging>jar</packaging>
<name>Maven Clover Plugin XDoclet Sample</name>
<description>Maven Clover Plugin XDoclet Sample</description>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>xdoclet-maven-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>xdoclet</goal>
</goals>
<configuration>
<tasks>
<echo>Hellow World *****************</echo>
</tasks>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
{code}
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