做post请求时，服务端可以检测到接收到两个非空的字段，但是返回了错误 分类： JAVA HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException type Exception report message Request processing failed; nested exception is java.lang.NullPointerException description The server encountered an internal error that prevented it from fulfilling this request. exception o
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空指针了，说明你服务端写的有问题了。好好测测服务端，接受空字段报错了应该。