com.datastax.driver.core.Cluster.connect(Cluster.java:280) 〜[cassandra-driver-core-3.1.4.jar!/ :?] 2019-07-08T14:08:43.739 + 05:30 [APP / PROC / WEB / 0]在[OUT] com.datastax.driver.core.Cluster.connectAsync(Cluster.java:330) 〜[cassandra-driver-core-3.1.4.jar!/ :?] 2019-07-08T14:08:43.739 + 05:30 [APP / PROC / WEB / 0]在[OUT] com.datastax.driver.core.Cluster.init(Cluster.java:159) 〜[cassandra-driver-core-3.1.4.jar!/ :?] 2019-07-08T14:08:43.739 + 05:30 [APP / PROC / WEB / 0]在[OUT] com.datastax.driver.core.Cluster $ Manager.init(Cluster.java:1483) 〜[cassandra-driver-core-3.1.4.jar!/ :?] 2019-07-08T14:08:43.739 + 05:30 [APP / PROC / WEB / 0]在[OUT] com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:79) 〜[cassandra-driver-core-3.1.4.jar!/ :?] 2019-07-08T14:08:43.739 + 05:30 [APP / PROC / WEB / 0]在[OUT] com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:233) 〜[cassandra-driver-core-3.1.4.jar!/ :?] 2019-07-08T14:08:43.739 + 05:30 [APP / PROC / WEB / 0] [OUT]原因: com.datastax.driver.core.exceptions.NoHostAvailableException:全部 尝试查询的主机失败(尝试:/10.135.83.28:9042 (com.datastax.driver.core.exceptions.TransportException: [/10.135.83.28:9042]连接已关闭),/ 10.135.83.26:9042 (com.datastax.driver.core.exceptions.TransportException: [/10.135.83.26:9042]连接已关闭),/ 10.135.83.24:9042 (com.datastax.driver.core.exceptions.TransportException: [/10.135.83.24:9042]连接已关闭))