[ http://jira.codehaus.org/browse/MOJO-223?page=comments#action_82721 ]
Davy Toch commented on MOJO-223:
--------------------------------
I know it's an ugly hack to patch the official xdoclet 1.2.3 jars, but the
error message "Ambiguous subtask ..." is a real blocker for using XDoclet in
M2. However, perhaps the following is a better solution (however still a hack):
- get the XDoclet 1.2.3 sources from CVS (not the latest trunk)
- copy the file core\src\xdoclet\DocletTask.java of XDoclet 1.2.3 to the folder
xdoclet-maven-plugin\src\main\java\ of the Maven 2 XDoclet plugin
- in the file DocletTask.java, uncomment the following lines after the comment
"// Fix for ... XDT-879":
//subtaskNameMap = null;
//subtaskMap = null;
//destDir = null;
//mergeDir = null;
//subTasks = null;
//configParams = null;
(on the XDoclet mailing lists it is indicated that this "fix" for XDT-879 is
what causes the "Ambiguous subtask ..." message)
- in xdoclet-maven-plugin\pom.xml, modify the scope from "runtime" to "compile"
for the following dependencies:
* xdoclet:xdoclet
* xjavadoc:xjavadoc
- create a new version of the xdoclet-maven-plugin (mvn clean install)
After this, the error message "Ambiguous subtask ..." didn't appear anymore in
my M2 reactor build. However, if I have some time, I'll check if I didn't
introduce some negative side-effects by modifying the scope of the dependencies.
> xdoclet maven plugin: Ambiguous subtask definition exception
> ------------------------------------------------------------
>
> Key: MOJO-223
> URL: http://jira.codehaus.org/browse/MOJO-223
> Project: Mojo
> Issue Type: Bug
> Components: xdoclet
> Environment: maven 2.0.1
> Reporter: Corridor Software Developer
> Assigned To: Corridor Software Developer
> Priority: Blocker
> Attachments: xdoclet.patch
>
>
> Get the following error when building a project with webapp and ejb projects
> which both use the maven xdoclet plugin. Running the installs from the
> individual project dirs does not produce the same result:
> [ERROR] BUILD ERROR
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Error executing ant tasks
> Embedded error: Ambiguous subtask definition for logical name
> service-endpoint: xdoclet.modules.ejb.intf.ServiceEndpointSubTask and
> xdoclet.modules.web.ServiceEndpointSubTask
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Trace
> org.apache.maven.lifecycle.LifecycleExecutionException: Error executing ant
> tasks
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:555)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:472)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:451)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:303)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:270)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:139)
> 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: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:585)
> 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)
> Caused by: org.apache.maven.plugin.MojoExecutionException: Error executing
> ant tasks
> at
> org.apache.maven.plugin.antrun.AbstractAntMojo.executeTasks(AbstractAntMojo.java:77)
> at org.codehaus.mojo.xdoclet.XDocletMojo.execute(XDocletMojo.java:102)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:432)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:530)
> ... 16 more
> Caused by: Ambiguous subtask definition for logical name service-endpoint:
> xdoclet.modules.ejb.intf.ServiceEndpointSubTask and
> xdoclet.modules.web.ServiceEndpointSubTask
> at xdoclet.DocletTask.registerModules(DocletTask.java:566)
> at xdoclet.DocletTask.createDynamicElement(DocletTask.java:336)
> at
> org.apache.tools.ant.IntrospectionHelper.getNestedCreator(IntrospectionHelper.java:505)
> at
> org.apache.tools.ant.IntrospectionHelper.getElementCreator(IntrospectionHelper.java:583)
> at
> org.apache.tools.ant.UnknownElement.handleChild(UnknownElement.java:545)
> at
> org.apache.tools.ant.UnknownElement.handleChildren(UnknownElement.java:326)
> at
> org.apache.tools.ant.UnknownElement.configure(UnknownElement.java:182)
> at
> org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:158)
> at org.apache.tools.ant.Task.perform(Task.java:363)
> at org.apache.tools.ant.Target.execute(Target.java:341)
> at
> org.apache.maven.plugin.antrun.AbstractAntMojo.executeTasks(AbstractAntMojo.java:71)
> ... 19 more
> the task for the ejb:
> <ejbdoclet destdir="${project.build.outputDirectory}">
> <fileset dir="src/main/java"/>
> <entitycmp/>
> <deploymentdescriptor
> destDir="${project.build.outputDirectory}/META-INF" />
> </ejbdoclet>
> the task for the webapp:
> <webdoclet
> destdir="${project.build.directory}/${project.build.finalName}/WEB-INF"
> verbose="true"
> excludedtags="@version,@author">
> <fileset dir="${basedir}/src/main/java"
> includes="**/*.java" />
> <strutsconfigxml
> destDir="${project.build.directory}/${project.build.finalName}/WEB-INF"/>
> </webdoclet>
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