报错The type org.apache.commons.lang.exception.NestableException cannot be resolved. It is indirect
报错
The type org.apache.commons.lang.exception.NestableException cannot be resolved. It is indirectly referenced from required .class files
这是什么错误啊？！
[解决办法]
org.apache.commons.lang.exception.NestableException这个类不存在。缺少jar包：commons-lang.jar