You can't extend java mojos from other plugins - none of the metadata is populated. That's why you end up with a nullpointer in the base classes.
What I said earlier was to use the Ant Java API to run the task (so nothing to do with the ant run plugin). http://ant.apache.org/manual/antexternal.html - Brett On 11/18/05, Lee Meador <[EMAIL PROTECTED]> wrote: > I have this source: > > /** > * Goal which runs ant and then adds some path to the compile source root > list > * > * @goal run > * @phase generate-sources > * @description Run ant and then add a folder to the list of places that hold > * code to compile > */ > public class AntRunAddGenerateMojo extends AntRunMojo { > > /** > * The Maven project. > * > * @parameter expression="${project}" > * @required > * @readonly > */ > private MavenProject project; > > /** > * Where the source files were put by the ant task > * > * @parameter expression="${project.build.directory}/generated-sources/java" > * @required > */ > private String compileSourceRoot; > > public void execute() throws MojoExecutionException { > getLog().info("enter execute()"); > super.execute(); > getLog().info("add compileSourceRoot: " + compileSourceRoot); > project.addCompileSourceRoot(compileSourceRoot); > getLog().info("exit execute()"); > } > } > > And I get this error: > > [INFO] task-segment: [compile] > [INFO] > ---------------------------------------------------------------------------- > [INFO] [ant-generate:run {execution: default}] > [INFO] enter execute() > [INFO] > ---------------------------------------------------------------------------- > [ERROR] BUILD ERROR > [INFO] > ---------------------------------------------------------------------------- > [INFO] Error executing ant tasks > > [INFO] > ---------------------------------------------------------------------------- > [INFO] Trace > org.apache.maven.lifecycle.LifecycleExecutionException: Error executing ant > tasks > at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals( > DefaultLifecycleExecutor.java:544) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle > (DefaultLifecycleExecutor.java:469) > at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal( > DefaultLifecycleExecutor.java:448) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures > (DefaultLifecycleExecutor.java:301) > at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments( > DefaultLifecycleExecutor.java:268) > at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute( > DefaultLifecycleExecutor.java:137) > 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(NativeMethod) > 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.apache.maven.plugin.antrun.AntRunMojo.execute(AntRunMojo.java:72) > > at com.aa.inflightsales.maven.AntRunAddGenerateMojo.execute( > AntRunAddGenerateMojo.java:52) > at org.apache.maven.plugin.DefaultPluginManager.executeMojo( > DefaultPluginManager.java:399) > at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals( > DefaultLifecycleExecutor.java:519) > ... 16 more > Caused by: java.lang.NullPointerException > at org.apache.maven.plugin.antrun.AbstractAntMojo.executeTasks( > AbstractAntMojo.java:42) > ... 20 more > [INFO] > ---------------------------------------------------------------------------- > [INFO] Total time: 3 seconds > [INFO] Finished at: Thu Nov 17 12:36:57 CST 2005 > [INFO] Final Memory: 4M/8M > [INFO] > ---------------------------------------------------------------------------- > > I have no idea how to start looking at this. Do you have any strategies for > me? > > Thanks. > > -- Lee Meador > > On 11/16/05, Brett Porter <[EMAIL PROTECTED]> wrote: > > > > I'd recommend writing the plugin in Java and calling the Ant task > > using the Java API, then add the source root. This would help to > > encapsulate the functionality. > > > > - Brett > > > > On 11/17/05, Lee Meador <[EMAIL PROTECTED]> wrote: > > > I've scanned the last couple of weeks' messages and I think I see what > > > is happening. > > > > > > I have an ant task that generates java from a wsdl using Websphere 6.0's > > > ant tasks to do so. It's similar to the Axis ones. > > > > > > I have it generate the java into target/generated-sources/java. > > > > > > The generated code doesn't get compiled when I do a > > > > > > mvn compile > > > > > > I think the problem is that generated-sources doesn't get added to the > > > compileSourceRoots since they are being generated in ant. > > > > > > So ... can I run some useless plugin with no input and get the > > > generated-sources added to the list of roots? Is there some other way to > > > get it to look there? > > > > > > Thanks. > > > > > > -- Lee Meador > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > > > -- > -- Lee Meador > Sent from gmail. My real email address is [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
