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HTTP Status 400 - description The request sent by the client was syntactically incorrect.

HTTP The by request Client status was 400
2023-09-14 08:57:00 时间

HTTP Status 400 -

type Status report

message

description The request sent by the client was syntactically incorrect.

参数类型不对引起的。

@RequestParam long lo , 需要的是 long, 我实际传递的是 abc。 所以。