数据插入成功了，但是报错

Question

老师你好，为了更好的理解，我把相关shop的改为了library，把product改为了book，这是我的报错，相关数据已经插入，但是还是报这个错，这个怎么办，看百度的没看懂
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.executor.ExecutorException: Error getting generated key or setting result to parameter object. Cause: org.apache.ibatis.executor.ExecutorException: No setter found for the keyProperty ‘LibraryId’ in ‘com.hg.entity.Library’.

at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)

at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)

Caused by: org.apache.ibatis.executor.ExecutorException: Error getting generated key or setting result to parameter object. Cause: org.apache.ibatis.executor.ExecutorException: No setter found for the keyProperty ‘LibraryId’ in ‘com.hg.entity.Library’.

Caused by: org.apache.ibatis.executor.ExecutorException: No setter found for the keyProperty ‘LibraryId’ in ‘com.hg.entity.Library’.

Answer 1

翔仔 2021-02-19 22:59:44

同学好，我看异常是首字母大写的LibraryId 同学看看配置文件里面，就是mybatis配置文件，是不是写成大写的了，应该是libraryId才对哈。。

https://blog.csdn.net/wuaidy/article/details/103764325

• 提问者 派大星不吃海星 #1

  是的。笑哭。里面的写了大写去了，谢谢老师

Answer 2

翔仔 2021-02-18 22:45:49

同学好，这说的是LibraryId没有设置setLibraryId方法，需要在entity设置上。

• 提问者 派大星不吃海星 #1

  但是老师我的里面是有的。
  public Long getLibraryId() {
  			return libraryId;
  		}
  		public void setLibraryId(Long libraryId) {
  			this.libraryId = libraryId;
  		}