最近在用eclipse，突然有一天开始，老报错：Errors occurred during the build.
百思不得其解，以为是配置文件崩溃了，后来查了下，发现答案如下：
编译时经常出现：
Errors occurred during the build.
Errors running builder 'JavaScript Validator' on project 'PMCnew'.
java.lang.NullPointerException
这个主要是JS的校验比较纠结，经常导致编译出错，这时把JavaScript Validator去掉即可。
选择项目--右键Properties--Builders--如果有则取消第一项“JavaScript Validator”的勾。
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