##这个错误是hive的版本的包导致的。
java.sql.SQLException: Could not establish connection to jdbc:hive2://hadoop2:10000/default: Required field 'serverProtocolVersion' is unset! Struct:TOpenSessionResp(status:TStatus(statusCode:SUCCESS_STATUS), serverProtocolVersion:null, sessionHandle:TSessionHandle(sessionId:THandleIdentifier(guid:AC 5A 2E B8 FB ED 48 35 BA F5 0C 58 28 E2 FB 56, secret:BD 9D 67 70 F3 4A 4B 03 A4 E1 58 86 AF 02 BE 2C)), configuration:{})
at org.apache.hive.jdbc.HiveConnection.openSession(HiveConnection.java:246)
at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:132)
at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:105)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverMana