[MPLUGIN-110] Make easier to pass parameters into MojoDescriptorExtractors

o Catched potential linkage error when users update the plugin version but forget the dependencies and provide a more helpful error message

git-svn-id: https://svn.apache.org/repos/asf/maven/plugin-tools/trunk@746796 13f79535-47bb-0310-9956-ffa450edef68

maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/AbstractGeneratorMojo.java

@@ -188,5 +188,11 @@ public abstract class AbstractGeneratorMojo
             throw new MojoExecutionException( "Error extracting plugin descriptor: \'" + e.getLocalizedMessage() + "\'",
                                               e );
         }
+        catch ( LinkageError e )
+        {
+            throw new MojoExecutionException( "The API of the mojo scanner is not compatible with this plugin version."
+                + " Please check the plugin dependencies configured in the POM and ensure the versions match.", e );
+        }
     }
+
 }