title: Maven Error- Authorization failed: Not authorized by proxy
body: <p>I am trying to build opennms in ubuntu.But when i give ./compile.pl(for compiling opennms source) in terminal, i get below error.
  I am using maven 2.2.1 version.
  Could anybody please provide a solution.</p>
  
  <p><em>Note:</em> removed the hyperlink like http in stacktrace..</p>
  
  <pre><code>[WARNING] Unable to get resource 'org.apache.felix:maven-bundle-plugin:pom:1.4.3' from repository java-net-repo (http://maven.opennms.org/content/groups/java.net-release): Authorization failed: Not authorized by proxy.
  Downloading: //repo1.maven.org/maven2/org/apache/felix/maven-bundle-plugin/1.4.3/maven-bundle-plugin-1.4.3.pom
  [WARNING] Unable to get resource 'org.apache.felix:maven-bundle-plugin:pom:1.4.3' from repository central (repo1.maven.org/maven2): Authorization failed: Not authorized by proxy.
  Downloading: http://maven.opennms.org/content/groups/opennms.org-release/org/apache/felix/maven-bundle-plugin/1.4.3/maven-bundle-plugin-1.4.3.pom
  [WARNING] Unable to get resource 'org.apache.felix:maven-bundle-plugin:pom:1.4.3' from repository opennms-repo (maven.opennms.org/content/groups/opennms.org-release): Authorization failed: Not authorized by proxy.
  Downloading: repo1.maven.org/maven2/org/apache/felix/maven-bundle-plugin/1.4.3/maven-bundle-plugin-1.4.3.pom
  [WARNING] Unable to get resource 'org.apache.felix:maven-bundle-plugin:pom:1.4.3' from repository central (//repo1.maven.org/maven2): Authorization failed: Not authorized by proxy.
  [INFO] ------------------------------------------------------------------------
  [ERROR] BUILD ERROR
  [INFO] ------------------------------------------------------------------------
  [INFO] Error building POM (may not be this project's POM).
  </code></pre>