David-
inside the main pom.xml located at
/tmp/gatoatigrado/maven/maven-scala-plugin/src/it/docTest/pom.xml
should have a dependency for maven-scala-plugin
<dependency>
<artifactId>maven-scala-plugin</artifactId>
<groupId>org.scala-tools</groupId>
<version>${pom.version}</version>
make sure you install the right version (in this case what pom.version is) of
scala e.g.
mvn install:install-file -DgroupId=org.scala-tools
-DartifactId=maven-scala-plugin -Dversion=${pom.version}
OUT:
-------------------------------------------------------------------------------
OUT: TEST BUILD:
/tmp/gatoatigrado/maven/maven-scala-plugin/src/it/docTest/pom.xml
OUT: Goals: clean compile site
OUT:
-------------------------------------------------------------------------------
OUT: + Error stacktraces are turned on.
OUT: [INFO] Scanning for projects...
OUT: [INFO]
------------------------------------------------------------------------
OUT: [INFO] Building Test scaladoc generation
OUT: [INFO] task-segment: [clean, compile, site]
OUT: [INFO]
------------------------------------------------------------------------
OUT: [INFO]
------------------------------------------------------------------------
OUT: [ERROR] BUILD ERROR
OUT: [INFO]
------------------------------------------------------------------------
OUT: [INFO] Internal error in the plugin manager getting plugin
'org.scala-tools:maven-scala-plugin': Plugin
'org.scala-tools:maven-scala-plugin:testing' has an invalid descriptor:
OUT: 1) Plugin's descriptor contains the wrong version: 2.11-SNAPSHOT
OUT: [INFO]
------------------------------------------------------------------------
OUT: [INFO] Trace
OUT: org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in
the plugin manager getting plugin 'org.scala-tools:maven-scala-plugin': Plugin
'org.scala-tools:maven-scala-plugin:testing' has an invalid descriptor:
OUT: 1) Plugin's descriptor contains the wrong version: 2.11-SNAPSHOT
OUT:
hth!
Martin
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> Date: Tue, 2 Jun 2009 14:52:12 -0700
> Subject: scalac compiler plugin help
> From: [email protected]
> To: [email protected]
> CC: [email protected]
>
> Hi all,
>
> I'm trying to use the Maven to build a scala project, but I get a
> NullPointerException at
> "org.apache.maven.artifact.versioning.DefaultArtifactVersion.parseVersion".
> My setup is at http://www.gatoatigrado.com/tmp-code-snippets.
>
> Other attempts: I also had some problems building the plugin from git (
> http://github.com/davidB/maven-scala-plugin/tree/master), though it doesn't
> seem like compiling the plugin it is necessary. Using the configuration at
> http://scala-tools.org/mvnsites/maven-scala-plugin/usage_scalac_plugins.html,
> and adding the <scalaVersion> tag as per
> http://scala-tools.org/mvnsites/maven-scala-plugin/usage.html didn't work
> either. Please update the plugin page with a working example.
>
> Thanks in advance,
> Nicholas
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