HttpMessageNotReadableException:JSON parse error: syntax error, pos 68, line 5, column 3{
   "sampleNo":"khyp202302060002",
   "calibrationCategory":

}; nested exception is com.alibaba.fastjson.JSONException: syntax error, pos 68, line 5, column 3{
   "sampleNo":"khyp202302060002",
   "calibrationCategory":

}