Errors running builder JavaScript Validator

eclipse中Errors running builder JavaScript Validator的问题：

Errors occurred during the build.
Errors running builder 'JavaScript Validator' on project XXXX.
java.lang.NullPointerException.

要解决这个问题，要就把JavaScript Validator去掉。去掉的方法是：

项目右键Properties—-Builders,将"JavaScript Validator"的【√】去掉即可。