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From Lukas Theussl <ltheu...@apache.org>
Subject can't build site
Date Sun, 09 Sep 2007 04:55:42 GMT

Since the promotion of book and maven-plugin I can't build the doxia dev 
site anymore. I am seeing exactly the problem described at MNG-3167 (in 
short:  If your project contains a Maven plugin, then it is impossible 
to build aggregated Javadoc). It works if I set aggregate=false and if I 
remove the maven-plugin. Below is the full stacktrace of 'mvn site', I 
am using maven-plugin-plugin-2.3, maven-javadoc-plugin-2.3 and maven 
2.0.6. Any idea?

Thanks,
-Lukas


[ERROR] BUILD ERROR
[INFO] 
------------------------------------------------------------------------
[INFO] Error during page generation

Embedded error: Error rendering Maven report: Error extracting plugin 
descriptor: 'Goal: render-books already exists in the plugin descriptor 
for prefix: doxia
Existing implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo
Conflicting implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo'
[INFO] 
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Error during 
page generation
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:564)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
         at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
         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 during 
page generation
         at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:97)
         at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
         at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
         ... 16 more
Caused by: org.apache.maven.doxia.siterenderer.RendererException: Error 
rendering Maven report: Error extracting plugin descriptor: 'Goal: 
render-books already exists in the plugin descriptor for prefix: doxia
Existing implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo
Conflicting implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo'
         at 
org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:71)
         at 
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:239)
         at 
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:115)
         at 
org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:124)
         at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:92)
         ... 18 more
Caused by: org.apache.maven.reporting.MavenReportException: Error 
extracting plugin descriptor: 'Goal: render-books already exists in the 
plugin descriptor for prefix: doxia
Existing implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo
Conflicting implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo'
         at 
org.apache.maven.plugin.plugin.PluginReport.executeReport(PluginReport.java:149)
         at 
org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:98)
         at 
org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:67)
         ... 22 more
Caused by: 
org.apache.maven.plugin.descriptor.DuplicateMojoDescriptorException: 
Goal: render-books already exists in the plugin descriptor for prefix: doxia
Existing implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo
Conflicting implementation is: 
org.apache.maven.doxia.plugin.DoxiaRenderBooksMojo
         at 
org.apache.maven.plugin.descriptor.PluginDescriptor.addMojo(PluginDescriptor.java:103)
         at 
org.apache.maven.tools.plugin.scanner.DefaultMojoScanner.populatePluginDescriptor(DefaultMojoScanner.java:97)
         at 
org.apache.maven.plugin.plugin.PluginReport.executeReport(PluginReport.java:138)
         ... 24 more

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