title: Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7
body: <p>I need help. I got the following error. 
  I have googled around but cannot find any solution.</p>
  
  <p>O/S Window: 7 (64-bit) 
  Java: java version "1.6.0_45" </p>
  
  <p>Command: mvn clean package -DskipTests</p>
  
  <pre><code>[exec] npm ERR! npm -v 1.4.9
  [exec] npm ERR! code ELIFECYCLE
  [exec] npm
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Summary:
  [INFO]
  [INFO] Shopping Project .................................. SUCCESS [0.937s]
  [INFO] Shopping Integration .............................. SUCCESS [2.020s]
  [INFO] Shopping Job ...................................... SUCCESS [1.050s]
  [INFO] Shopping Web Layer ................................ SUCCESS [33.822s]
  [INFO] Shopping WAR ...................................... FAILURE [31.418s]
  [INFO] Shopping DB Files ................................. SKIPPED
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 3:12.071s
  [INFO] Finished at: Tue Sep 30 13:54:41 EEST 2014
  [INFO] Final Memory: 85M/725M
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:
  run (1) on project Shoppingwar: An Ant BuildException has occured: exec returned
  : 1
  [ERROR] around Ant part ...&lt;exec dir="C:\training\Shopping\Shoppingwar" executab
  le="cmd" failonerror="true" inputstring="yes" osfamily="windows"&gt;... @ 7:121 in
  C:\training\Shopping\Shoppingwar\target\antrun\build-main.xml
  </code></pre>
  
  <p>How do I solve this problem?</p>