Aggregate functions on hive queries are not working for me on Zeppelin HDP 2.4 cluster. Zeppelin version: zeppelin-server-0.6.0.2.4.0.0-169.jar I run "show tables" and it works fine. I am able to delete, create and load tables. I am able to select * from table. However if I run a any select count(*), sum(*), etc query it immeditaly fails: java.lang.NullPointerException at org.apache.zeppelin.hive.HiveInterpreter.getConnection(HiveInterpreter.java:184) at org.apache.zeppelin.hive.HiveInterpreter.getStatement(HiveInterpreter.java:204) at org.apache.zeppelin.hive.HiveInterpreter.executeSql(HiveInterpreter.java:233) at org.apache.zeppelin.hive.HiveInterpreter.interpret(HiveInterpreter.java:328) at org.apache.zeppelin.interpreter.ClassloaderInterpreter.interpret(ClassloaderInterpreter.java:57) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:93) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:295) at org.apache.zeppelin.scheduler.Job.run(Job.java:171) at org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner.run(ParallelScheduler.java:162) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) 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) I ran the same query on beeline and it returned results fine. ... View more

Once I finished configuring all placement of the services during install, i click deploy and it failed. Couldn't catch the failure. Now when log into ambari i see this: I click on launch install wizard and it takes me to home page of ambari: Clearly none of the services got installed and it won't let me start over. it is very confused. I called the rest service to determine what cluster it thinks i have running: curl -user admin:xxxx http://xxxxx.cloud.hortonworks.com/api/v1/clusters returning curl: (52) Empty reply from server Basically how do I start over? ... View more

Can client connect using a lower standard like auth-int or auth if hive.server2.thrift.sasl.qop is set to auth-conf on hiveserver2? ... View more

On kerberized cluster I understand for j/odbc via TCP only SASL is supported. How do i enabled SASL via ambari for hiveserver2. I only see SSL button. ... View more

Can Ranger use KTS (Key Trustee Server) and KMS (Key Management Server) from another distribution ie Cloudera or mapr? ... View more

Does knox only use http transport method? Is it able to use TCP? The reason I ask is if I connect to hive (kerberized) cluster using TCP (default method to connect to hive) jdbc would I have to use http instead if knox were to be enabled? ... View more