操作结果
  • Hibernate operation: Cannot open connection; uncategorized SQLException for SQL []; SQL state [null]; error code [0]; Cannot create PoolableConnectionFactory (Unable to connect to any hosts due to exception: java.net.ConnectException: Connection refused: connect); nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Unable to connect to any hosts due to exception: java.net.ConnectException: Connection refused: connect)