这是啥情况啊,咋回事。。。添加的时候报的错
com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: No operations allowed after connection closed.
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:888)
at com.mysql.jdbc.Connection.checkClosed(Connection.java:1932)
at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4768)
at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4734)
at com.jedi.jdbc.dao.GoddessDao.addGoddess(GoddessDao.java:27)
at com.jedi.jdbc.dao.Main.main(Main.java:26)