Errors occurred during the build.

If anybody facing the problem "Errors occurred during the build" when you are running your Cocos2dx build using Eclipse.

Errors occurred during the build.

Errors running builder 'Integrated External Tool Builder' on project 'VuforiaSamples'.

Launch configuration type id "org.eclipse.ant.AntBuilderLaunchConfigurationType" does not exist.

Possible causes:

Missing specification of a launch type (missing plug-in)

Incorrect launch configuration XML

Launch configuration type id "org.eclipse.ant.AntBuilderLaunchConfigurationType" does not exist.

Possible causes:

Missing specification of a launch type (missing plug-in)

Incorrect launch configuration XML

Here is the best solution for the problem.

1. Eclipse -> Help Menu
2. Select Install New Software.
3. Enter "http://download.eclipse.org/releases/juno"
4. Select "General Purpose Tools" -> "Eclipse Plug-in Development Environment"
5. Then click Next, accept license, Finish, etc, until it's installed. 
6. When it's finished installing, it will prompt you to restart Eclipse. select restart eclipse.