title: java.lang.NoClassDefFoundError: com/sun/mirror/apt/AnnotationProcessorFactory when execute Enunciate ant task
body: <p>I received the following stack trace when attempting to use Enunciate to generate documentation for a Java project.  I am using JDK 1.8.0_25 and <a href="https://github.com/stoicflame/enunciate/releases/tag/2dbb532" rel="noreferrer">Enunciate 1.30 RC1</a>.</p>
  
  <pre><code>BUILD FAILED
  C:\dev\PayWay\make\build.xml:882: java.lang.NoClassDefFoundError: com/sun/mirror/apt/AnnotationProcessorFactory
          at org.codehaus.enunciate.main.EnunciateTask.execute(EnunciateTask.java:93)
          at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
          at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:483)
          at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
          at org.apache.tools.ant.Task.perform(Task.java:348)
          at org.apache.tools.ant.Target.execute(Target.java:435)
          at org.apache.tools.ant.Target.performTasks(Target.java:456)
          at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1393)
          at org.apache.tools.ant.Project.executeTarget(Project.java:1364)
          at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
          at org.apache.tools.ant.Project.executeTargets(Project.java:1248)
          at org.apache.tools.ant.Main.runBuild(Main.java:851)
          at org.apache.tools.ant.Main.startAnt(Main.java:235)
          at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
          at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
  Caused by: java.lang.ClassNotFoundException: com.sun.mirror.apt.AnnotationProcessorFactory
          at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1374)
          at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1323)
          at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1076)
          at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
          ... 17 more
  </code></pre>
  
  <p>What is the cause of this problem?</p>