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Date: Tue, 08 Sep 2009 13:31:18 +0100
From: Sam Barnett-Cormack <s.barnett-cormack@lancaster.ac.uk>
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Subject: Problem with site:site

Hi all,

In one project I'm building (but not in others), I'm getting a 
NullPointerException when generating the dependencies report. I do not 
know why. Pasted below is the full output from mvn site. Any advice 
gratefully received.

[INFO] Scanning for projects...
[INFO] 
------------------------------------------------------------------------
[INFO] Building Geekworld Java Support
[INFO]    task-segment: [site]
[INFO] 
------------------------------------------------------------------------
[INFO] Preparing javadoc:javadoc
[INFO] No goals needed for project - skipping
[INFO] [site:site {execution: default-site}]
[INFO] Unable to load parent project from a relative path: Could not 
find the model file 'C:\Users\sdb\workspace\pom.xml'. for project unknown
[INFO] Parent project loaded from repository.
[INFO] Unable to load parent project from a relative path: Could not 
find the model file 'C:\Users\sdb\workspace\pom.xml'. for project unknown
[INFO] Parent project loaded from repository.
[INFO] Generating "Project Team" report.
[INFO] Generating "Issue Tracking" report.
[INFO] Generating "Continuous Integration" report.
[INFO] Generating "Project Plugins" report.
[INFO] Generating "Dependencies" report.
[INFO] 
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] 
------------------------------------------------------------------------
[INFO] null
[INFO] 
------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
	at 
org.apache.maven.report.projectinfo.dependencies.renderer.DependenciesRenderer.printArtifactsLocations(DependenciesRenderer.java:1182)
	at 
org.apache.maven.report.projectinfo.dependencies.renderer.DependenciesRenderer.renderSectionDependencyRepositoryLocations(DependenciesRenderer.java:641)
	at 
org.apache.maven.report.projectinfo.dependencies.renderer.DependenciesRenderer.renderBody(DependenciesRenderer.java:274)
	at 
org.apache.maven.reporting.AbstractMavenReportRenderer.render(AbstractMavenReportRenderer.java:65)
	at 
org.apache.maven.report.projectinfo.DependenciesReport.executeReport(DependenciesReport.java:239)
	at 
org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:90)
	at 
org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:139)
	at 
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:303)
	at 
org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:135)
	at org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:133)
	at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:100)
	at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
	at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
	at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
	at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
	at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
	at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
	at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
	at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
	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:597)
	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)
[INFO] 
------------------------------------------------------------------------
[INFO] Total time: 20 seconds
[INFO] Finished at: Tue Sep 08 13:28:11 BST 2009
[INFO] Final Memory: 31M/56M
[INFO] 
------------------------------------------------------------------------


-- 
Sam Barnett-Cormack

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