弄了半天
status 400 reading SortCourseFeign#findWeek(Date,int)
status 405 reading SortCourseFeign#findWeek(Date,int)
status 500 reading SortCourseFeign#findWeek(Date,int)
Resolved [org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot deserialize instance of java.util.Date out of START_OBJECT token; nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of java.util.Date out of START_OBJECT token
at [Source: (PushbackInputStream); line: 1, column: 1]]
代码编写没有任何问题的情况下还报错，
解决方法：
用maven的clean一下，重启idea，问题解决
