https://community.cloudera.com/t5/Archives-of-Support-Questions/while-connecting-to-hiveserver2-from-my-java-client-I-am/m-p/129639#M31311 <P>org.apache.thrift.protocol.TProtocolException: Required field 'serverProtocolVersion' is unset! Struct:TOpenSessionResp(status:TStatus(statusCode:SUCCESS_STATUS), serverProtocolVersion:null, sessionHandle:TSessionHandle(), configuration:{}) at org.apache.hive.service.cli.thrift.TOpenSessionResp.validate(TOpenSessionResp.java:578) at org.apache.hive.service.cli.thrift.TOpenSessionResp$TOpenSessionRespStandardScheme.read(TOpenSessionResp.java:676) at org.apache.hive.service.cli.thrift.TOpenSessionResp$TOpenSessionRespStandardScheme.read(TOpenSessionResp.java:612) at org.apache.hive.service.cli.thrift.TOpenSessionResp.read(TOpenSessionResp.java:520) at org.apache.hive.service.cli.thrift.TCLIService$OpenSession_result$OpenSession_resultStandardScheme.read(TCLIService.java:2361) at org.apache.hive.service.cli.thrift.TCLIService$OpenSession_result$OpenSession_resultStandardScheme.read(TCLIService.java:2346) at org.apache.hive.service.cli.thrift.TCLIService$OpenSession_result.read(TCLIService.java:2293) at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78) at org.apache.hive.service.cli.thrift.TCLIService$Client.recv_OpenSession(TCLIService.java:160) at org.apache.hive.service.cli.thrift.TCLIService$Client.OpenSession(TCLIService.java:147)</P> Thu, 09 Jun 2016 17:16:21 GMT sanjeev_verma82 2016-06-09T17:16:21Z https://community.cloudera.com/t5/Archives-of-Support-Questions/while-connecting-to-hiveserver2-from-my-java-client-I-am/m-p/129639#M31311 <P>org.apache.thrift.protocol.TProtocolException: Required field 'serverProtocolVersion' is unset! Struct:TOpenSessionResp(status:TStatus(statusCode:SUCCESS_STATUS), serverProtocolVersion:null, sessionHandle:TSessionHandle(), configuration:{}) at org.apache.hive.service.cli.thrift.TOpenSessionResp.validate(TOpenSessionResp.java:578) at org.apache.hive.service.cli.thrift.TOpenSessionResp$TOpenSessionRespStandardScheme.read(TOpenSessionResp.java:676) at org.apache.hive.service.cli.thrift.TOpenSessionResp$TOpenSessionRespStandardScheme.read(TOpenSessionResp.java:612) at org.apache.hive.service.cli.thrift.TOpenSessionResp.read(TOpenSessionResp.java:520) at org.apache.hive.service.cli.thrift.TCLIService$OpenSession_result$OpenSession_resultStandardScheme.read(TCLIService.java:2361) at org.apache.hive.service.cli.thrift.TCLIService$OpenSession_result$OpenSession_resultStandardScheme.read(TCLIService.java:2346) at org.apache.hive.service.cli.thrift.TCLIService$OpenSession_result.read(TCLIService.java:2293) at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78) at org.apache.hive.service.cli.thrift.TCLIService$Client.recv_OpenSession(TCLIService.java:160) at org.apache.hive.service.cli.thrift.TCLIService$Client.OpenSession(TCLIService.java:147)</P> Thu, 09 Jun 2016 17:16:21 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/while-connecting-to-hiveserver2-from-my-java-client-I-am/m-p/129639#M31311 sanjeev_verma82 2016-06-09T17:16:21Z https://community.cloudera.com/t5/Archives-of-Support-Questions/while-connecting-to-hiveserver2-from-my-java-client-I-am/m-p/129640#M31312 <P>what version of hiveserver2 you are running with? it seems that you are trying to connect with old version of thrift client to the newer version of hiveserver2. can you try to check the the libthrift api version of your hive-client vs hive-server.</P><P>if there is a mismatch then you are not able to connect with hive-server as it is known issue with hive.</P><P>see this</P><P><A href="https://issues.apache.org/jira/browse/HIVE-6050" target="_blank">https://issues.apache.org/jira/browse/HIVE-6050</A></P> Thu, 09 Jun 2016 17:27:26 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/while-connecting-to-hiveserver2-from-my-java-client-I-am/m-p/129640#M31312 rajkumar_singh 2016-06-09T17:27:26Z