Mysql的错误,待解决[已解决]Data source rejected establishment of connection message from server: "Too many connections";

[15:22:53,461] [CustomExceptionHandler,44] - Handle Exception:Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [08004]; error code [1040]; Data source rejected establishment of connection message from server: "Too many connections"; nested exception is java.sql.SQLException: Data source rejected establishment of connection message from server: "Too many connections"[15:22:53,461] [CustomExceptionHandler,44] - Ha