title: Error when generating Cucumber report in Maven
body: <p>I use Java and Cucumber to run my test. My test passed and I want to generate a report after running the test by using Cucumber. So I run terminal: <code>mvn clean verify</code>. But I got these error as below:</p>
  
  <pre><code>-------------------------------------------------------
   T E S T S
  -------------------------------------------------------
  Running mgl.example.RunTest
  @first
  Feature: Test drag-drop and scroll options
  
    Scenario: Drag-drop and scroll must be OK                    # MoveAndScroll.feature:3
      Given I move from the root role dialog to choosing picture # AddNewDevice.i_move_from_the_root_role_dialog_to_choosing_picture()
      When I Choose picture and click continue                   # AddNewDevice.i_Choose_picture_and_click_continue()
      Then I can drag-drop device and scroll options             # AddNewDevice.i_can_drag_drop_device_and_scroll_options()
  
  1 Scenarios (1 passed)
  3 Steps (3 passed)
  2m12.865s
  
  Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 133.918 sec - in mgl.example.RunTest
  
  Results :
  
  Tests run: 4, Failures: 0, Errors: 0, Skipped: 0
  
  [INFO] 
  [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ Example ---
  [INFO] Building jar: /Users/enclaveit/Documents/workspace/Example/target/Example-0.0.1-SNAPSHOT.jar
  [INFO] 
  [INFO] --- maven-cucumber-reporting:0.0.6:generate (execution) @ Example ---
  About to generate
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 02:24 min
  [INFO] Finished at: 2014-06-17T17:07:09+07:00
  [INFO] Final Memory: 16M/200M
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal net.masterthought:maven-cucumber-reporting:0.0.6:generate (execution) on project Example: Error Found: BUILD FAILED - Check Report For Details -&gt; [Help 1]
  org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal net.masterthought:maven-cucumber-reporting:0.0.6:generate (execution) on project Example: Error Found:
      at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
      at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
      at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
      at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:108)
      at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
      at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
      at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
      at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
      at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
      at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
      at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
      at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:606)
      at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
      at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
      at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
      at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
  Caused by: org.apache.maven.plugin.MojoExecutionException: Error Found:
      at net.masterthought.cucumber.CucumberReportGeneratorMojo.execute(CucumberReportGeneratorMojo.java:86)
      at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
      at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
      ... 19 more
  Caused by: org.apache.maven.plugin.MojoExecutionException: BUILD FAILED - Check Report For Details
      at net.masterthought.cucumber.CucumberReportGeneratorMojo.execute(CucumberReportGeneratorMojo.java:82)
      ... 21 more
  [ERROR] 
  [ERROR] Re-run Maven using the -X switch to enable full debug logging.
  [ERROR] 
  [ERROR] For more information about the errors and possible solutions, please read the following articles:
  [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
  </code></pre>
  
  <p>Can somebody help me?</p>