title: Liferay Build Services failed
body: <p>I've created a configuration for the Liferay Service Builder. After this I tried to build services, but I received the following error:</p>
  
  <pre><code>Buildfile: C:\LiferayNew\liferay-plugins-sdk-6.2\portlets\guestbook-portlet\build.xml
  
  BUILD FAILED
  C:\LiferayNew\liferay-plugins-sdk-6.2\portlets\guestbook-portlet\build.xml:5: The following error occurred while executing this line:
  C:\LiferayNew\liferay-plugins-sdk-6.2\portlets\build-common-portlet.xml:5: The following error occurred while executing this line:
  C:\LiferayNew\liferay-plugins-sdk-6.2\build-common-plugin.xml:5: The following error occurred while executing this line:
  C:\LiferayNew\liferay-plugins-sdk-6.2\build-common.xml:60: The following error occurred while executing this line:
  C:\LiferayNew\liferay-plugins-sdk-6.2\build-common-ivy.xml:71: The following error occurred while executing this line:
  C:\LiferayNew\liferay-plugins-sdk-6.2\build-common-ivy.xml:55: java.net.MalformedURLException: no protocol: ${ivy.jar.url}
  
  Total time: 1 second.
  </code></pre>
  
  <p>How I can solve this issue?</p>