title: Jenkins Build Failure, Cobertura Error
body: <p>I tried to build a job and it returns following error: </p>
  
  <pre><code>&gt; Failed to execute goal
  &gt; org.codehaus.mojo:cobertura-maven-plugin:2.7:instrument (default-cli)
  &gt; on project addressbook: Execution default-cli of goal
  &gt; org.codehaus.mojo:cobertura-maven-plugin:2.7:instrument failed: Plugin
  &gt; org.codehaus.mojo:cobertura-maven-plugin:2.7 or one of its
  &gt; dependencies could not be resolved: Could not find artifact
  &gt; com.sun:tools:jar:0 at specified path
  &gt; /var/lib/jenkins/tools/hudson.model.JDK/myjava/../lib/tools.jar -&gt;
  &gt; [Help 1]
  </code></pre>
  
  <p>Any idea how to resolve it?</p>