title: Jacoco doesn't produce coverage reports
body: <p>I 'm using maven-sure fire plugin to execute tests and Jacoco plugin to generate the coverage reports.  Jacoco does't provide coverage reports and instead fails with the debug log as shown here under. </p>
  
  <p>[INFO] --- jacoco-maven-plugin:0.8.0:report (jacoco-site) @ util ---
  [INFO] Skipping JaCoCo execution due to missing execution data file.</p>
  
  <p>Here is how the maven sure-fire plugin looks. </p>
  
  <pre><code>             &lt;plugin&gt;
                  &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
                  &lt;artifactId&gt;maven-release-plugin&lt;/artifactId&gt;
                  &lt;version&gt;2.5.2&lt;/version&gt;
              &lt;/plugin&gt;
              &lt;plugin&gt;
                  &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
                  &lt;artifactId&gt;maven-surefire-plugin&lt;/artifactId&gt;
                  &lt;version&gt;2.10&lt;/version&gt;
                  &lt;configuration&gt;
                      &lt;parallel&gt;classes&lt;/parallel&gt;
                       &lt;threadCount&gt;8&lt;/threadCount&gt;
                       &lt;forkCount&gt;4&lt;/forkCount&gt;
                       &lt;encoding&gt;UTF-8&lt;/encoding&gt;
                      &lt;inputEncoding&gt;UTF-8&lt;/inputEncoding&gt;
                      &lt;outputEncoding&gt;UTF-8&lt;/outputEncoding&gt;
                      &lt;argLine&gt;-Xms256m -Xmx512m -XX:MaxPermSize=128m -ea
                          -Dfile.encoding=UTF-8&lt;/argLine&gt;
                       &lt;/configuration&gt;
              &lt;/plugin&gt;
  </code></pre>
  
  <p>Here is how the Jacoco plugin looks like. </p>
  
  <pre><code>&lt;plugin&gt;
                  &lt;groupId&gt;org.jacoco&lt;/groupId&gt;
                  &lt;artifactId&gt;jacoco-maven-plugin&lt;/artifactId&gt;
                  &lt;version&gt;0.8.0&lt;/version&gt;
                  &lt;configuration&gt;
                      &lt;destFile&gt;${basedir}/target/coverage-reports/jacoco-unit.exec&lt;/destFile&gt;
                      &lt;dataFile&gt;${basedir}/target/coverage-reports/jacoco-unit.exec&lt;/dataFile&gt;
                  &lt;/configuration&gt;
                  &lt;executions&gt;
                      &lt;execution&gt;
                          &lt;id&gt;jacoco-initialize&lt;/id&gt;
                          &lt;goals&gt;
                              &lt;goal&gt;prepare-agent&lt;/goal&gt;
                          &lt;/goals&gt;
                      &lt;/execution&gt;
                      &lt;execution&gt;
                          &lt;id&gt;jacoco-site&lt;/id&gt;
                          &lt;phase&gt;package&lt;/phase&gt;
                          &lt;goals&gt;
                          &lt;goal&gt;report&lt;/goal&gt;
                          &lt;/goals&gt;
                      &lt;/execution&gt;
                  &lt;/executions&gt;
              &lt;/plugin&gt;
  </code></pre>