com.alibaba.fastjson.JSONException: syntax error, pos 1, line 1, column 2

Controller承接HTTP请求,解析@RequestBody参数时,报错:

HttpMessageNotReadableException: JSON parse error: syntax error, pos 1, line 1, column 2
nested exception is com.alibaba.fastjson.JSONException: syntax error, pos 1, line 1, column 2

错误原因:

请求发起方,发送的内容是普通的String字符串(非json格式),但是Content-Type却指定成了application/json
实际上应该指定为text/plain

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