Uncaught (in promise) Error: Request failed with status code 500

Question

使用工具类CopyUtil，封装BeanUtils.copyProperties，简化单实体复制和列表复制的代码之后，报如下错误，无法新增大章数据


请问老师怎么解决呢？

Answer 1

甲蛙 2022-05-11 14:09:14

500错，要看后端日志，看什么错

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• 提问者 慕姐9356413 #1

  ### Error updating database.  Cause: com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'course_id' at row 1
  ### The error may involve com.course.server.mapper.ChapterMapper.insert-Inline
  ### The error occurred while setting parameters
  ### SQL: insert into chapter (id, course_id, name)     values (?, ?, ?)
  ### Cause: com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'course_id' at row 1
  ; Data truncation: Data too long for column 'course_id' at row 1; nested exception is com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'course_id' at row 1] with root cause
  com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'course_id' at row 1
  	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3868)
  
  查看日志明白解决了，谢谢老师。