1、eclipse報錯具體如下
Error occurred during the build.
Errors running builder 'JavaScript Validator' on project 'DoJo'
java.lang.NullPointerException.
2、解決辦法
(1)單擊一個項目右鍵,點選“Properties”

(2)找到“Builder”,取消第一項“JavaScript Validator”,然後點選“OK”
單擊“OK”,這個錯誤就消除了