報錯資訊：

org. springframework. web. util. NestedServletExcepti on:Request processing f ailed; 
nested exception is org.springframework. dao. DataIntegrityViolationExceptionError attempting to Cannot determine. value tvpe from string ” 2019-9-25 05:11: 48’nested ex ception is :java. sql. SQLDat aException: Cannot determine value tvpe from string ’2019-9-25 05: 11: 48
 

新建查詢後出現了這個錯誤，經發現是實體類接收資料庫資料型別不匹配導致的。（欄位和屬性沒有對上）

日期格式在經過DATE_FORMAT之後

DATE_FORMAT(update_time,'%Y-%c-%d %h:%i:%s') as 'update_time',

使用Date型別屬性接收報錯，修改後使用String型別的屬性接收。

還有一種情況也會導致報這種錯：

還有一種情況，建構函式問題，有參構造建立後，無參構造沒有建立，也會導致這個問題。弄了一下午，換資料庫、換欄位、換屬性名都沒解決，最後想起來是不是缺少無參構造了

There was an unexpected error (type=Internal Server Error, status=500).
Error attempting to get column 'u_account' from result set. 
Cause: java.sql.SQLDataException: Cannot determine value type from string '201577D0510' ; 
Cannot determine value type from string '201577D0510'; nested exception is java.sql.SQLDataException: 
Cannot determine value type from string '201577D0510'
org.springframework.dao.DataIntegrityViolationException: Error attempting to get column 'u_account' from result set.  
Cause: java.sql.SQLDataException: Cannot determine value type from string '201577D0510'
; 
Cannot determine value type from string '201577D0510'; 
nested exception is java.sql.SQLDataException: Cannot determine value type from string '201577D0510'
	at org.springframework.jdbc.support.SQLExceptionSubclassTranslator.doTranslate(SQLExceptionSubclassTranslator.java:84)
	at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72)
	at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81)
	at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)
	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446)
	at com.sun.proxy.$Proxy65.selectList(Unknown Source)