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http://jira.codehaus.org/browse/MOJO-749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_93520
]
Jörg Hohwiller commented on MOJO-749:
-------------------------------------
Well, I have my open-source project where dashboard works (except for some
other tiny problems) and another project where this error occurred.
Both have specify the plugin in the same way (in reporting section):
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>dashboard-maven-plugin</artifactId>
<version>1.0-SNAPSHOT</version>
</plugin>
There must be another criteria that causes the version to be null. But you
might be right that we found a maven bug here.
Do you have any ideas how to figure this out? Could some report of the
dependency-maven-plugin help to discover the problem and track it down?
> NPE if dashboard called on parent project
> -----------------------------------------
>
> Key: MOJO-749
> URL: http://jira.codehaus.org/browse/MOJO-749
> Project: Mojo
> Issue Type: Bug
> Components: dashboard
> Reporter: Jörg Hohwiller
> Assignee: David Vicente
>
> On a project where I tried dashboard 1.0-SNAPSHOT today I continously got an
> NPE.
> The problem only showed up, when dashboard (via site or site:stage) was
> called on the parent project.
> It worked well on the individual modules. I do not know if that matters but
> the project-layout was NOT a tree
> but flat. From the stracktrace, I can see that
> DefaultArtifactVersion.parseVersion was called with a "version" argument of
> null:
> java.lang.NullPointerException
> at
> org.apache.maven.artifact.versioning.DefaultArtifactVersion.parseVersion(DefaultArtifactVersion.java:148)
> at
> org.apache.maven.artifact.versioning.DefaultArtifactVersion.<init>(DefaultArtifactVersion.java:42)
> at
> org.codehaus.mojo.dashboard.report.plugin.DashBoardUtils.getCoberturaDataFile(DashBoardUtils.java:841)
> at
> org.codehaus.mojo.dashboard.report.plugin.DashBoardUtils.getCoberturaReport(DashBoardUtils.java:342)
> at
> org.codehaus.mojo.dashboard.report.plugin.DashBoardUtils.getDashBoardReportBean(DashBoardUtils.java:273)
> at
> org.codehaus.mojo.dashboard.report.plugin.DashBoardUtils.getDashBoardReportBean(DashBoardUtils.java:235)
> at
> org.codehaus.mojo.dashboard.report.plugin.DashBoardReportMojo.executeReport(DashBoardReportMojo.java:143)
> at
> org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:98)
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