org.codehaus.mojo:buildnumber-maven-plugin:maven-plugin:1.0-beta-1-SNAPSHOT - ubuntu 11.10

      A required plugin was not found: Plugin could not be found - check that the goal name is correct: Unable to download the artifact from any repository

    org.codehaus.mojo:buildnumber-maven-plugin:maven-plugin:1.0-beta-1-SNAPSHOT

Problem:

       if ubuntu and Ant tool version is mismatch, we could not download the maven repository.

Solution:

          Use the following latest Ant dependency version and try.
       <dependency>
<groupId>org.apache.ant</groupId>
<artifactId>ant</artifactId>
<version>1.8.2</version>
<scope>compile</scope>
</dependency>