主鍵沖突異常 DuplicateKeyException

 

org.springframework.dao.DuplicateKeyException


Exception thrown when an attempt to insert or update data results in violation of an primary key or unique constraint. Note that this is not necessarily a purely relational concept; unique primary keys are required by most database types.

Author:
Thomas Risberg

代碼片段

import org.springframework.dao.DuplicateKeyException;

try{
    someMapper.insert(someBean);
    //TODO something
}catch(DuplicateKeyException e){
    //TODO something else
}