2017-03-09 18:05:16,948 INFO  [HiveServer2-Handler-Pool: Thread-3820]: thrift.ThriftCLIService (ThriftCLIService.java:OpenSession(313)) - Client protocol version: HIVE_CLI_SERVICE_PROTOCOL_V8
2017-03-09 18:05:16,949 WARN  [HiveServer2-Handler-Pool: Thread-3820]: thrift.ThriftCLIService (ThriftCLIService.java:OpenSession(327)) - Error opening session: 
java.lang.IllegalArgumentException: Null user
	at org.apache.hadoop.security.UserGroupInformation.createProxyUser(UserGroupInformation.java:1339)
	at org.apache.hive.service.cli.session.HiveSessionImplwithUGI.setSessionUGI(HiveSessionImplwithUGI.java:73)
	at org.apache.hive.service.cli.session.HiveSessionImplwithUGI.<init>(HiveSessionImplwithUGI.java:55)
	at org.apache.hive.service.cli.session.SessionManager.openSession(SessionManager.java:271)
	at org.apache.hive.service.cli.CLIService.openSessionWithImpersonation(CLIService.java:204)
	at org.apache.hive.service.cli.thrift.ThriftCLIService.getSessionHandle(ThriftCLIService.java:421)
	at org.apache.hive.service.cli.thrift.ThriftCLIService.OpenSession(ThriftCLIService.java:316)
	at org.apache.hive.service.cli.thrift.TCLIService$Processor$OpenSession.getResult(TCLIService.java:1257)
	at org.apache.hive.service.cli.thrift.TCLIService$Processor$OpenSession.getResult(TCLIService.java:1242)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:56)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
2017-03-09 18:05:16,977 INFO  [HiveServer2-Handler-Pool: Thread-3821]: thrift.ThriftCLIService (ThriftCLIService.java:OpenSession(313)) - Client protocol version: HIVE_CLI_SERVICE_PROTOCOL_V8
2017-03-09 18:05:16,978 WARN  [HiveServer2-Handler-Pool: Thread-3821]: thrift.ThriftCLIService (ThriftCLIService.java:OpenSession(327)) - Error opening session: 
java.lang.IllegalArgumentException: Null user
	at org.apache.hadoop.security.UserGroupInformation.createProxyUser(UserGroupInformation.java:1339)
	at org.apache.hive.service.cli.session.HiveSessionImplwithUGI.setSessionUGI(HiveSessionImplwithUGI.java:73)
	at org.apache.hive.service.cli.session.HiveSessionImplwithUGI.<init>(HiveSessionImplwithUGI.java:55)
	at org.apache.hive.service.cli.session.SessionManager.openSession(SessionManager.java:271)
	at org.apache.hive.service.cli.CLIService.openSessionWithImpersonation(CLIService.java:204)
	at org.apache.hive.service.cli.thrift.ThriftCLIService.getSessionHandle(ThriftCLIService.java:421)
	at org.apache.hive.service.cli.thrift.ThriftCLIService.OpenSession(ThriftCLIService.java:316)
	at org.apache.hive.service.cli.thrift.TCLIService$Processor$OpenSession.getResult(TCLIService.java:1257)
	at org.apache.hive.service.cli.thrift.TCLIService$Processor$OpenSession.getResult(TCLIService.java:1242)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:56)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)