严重: Servlet.service() for servlet default threw exception
java.sql.BatchUpdateException: Cannot add or update a child row: a foreign key constraint fails (`db_blog/critique`, CONSTRAINT `critique_ibfk_1` FOREIGN KEY (`AId`) REFERENCES `article` (`Id`))
at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1269)
at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:955)
at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:139)
求教
------解决方案--------------------
oreign key constraint fails (`db_blog/critique`, CONSTRAINT `critique_ibfk_1` FOREIGN KEY (`AId`) REFERENCES `article` (`Id`))
外键约束错误
------解决方案--------------------
检查外键约束看看