Prabhu, Filed https://issues.apache.org/jira/browse/ZEPPELIN-629 to track this.
>From looking at the code, it appears the the driver (class) may not be set. Can you post the properties set on the Hive interpreter. Though you also appear to be saying that the Hive interpreter works initially before you run into this problem, can you clarify? Thanks, Vinay On Fri, Jan 22, 2016 at 12:45 AM, Prabhu GS <pprabh...@gmail.com> wrote: > Hi team, > > > I cloned Zeppelin from https://github.com/apache/incubator-zeppelin.git > and built from source and installed it locally. > > I created a table using the Hive interpreter, > > %hive > create table test (id int, name string) > > Then inserted a few rows successfully into the table. > > %hive > select * from test > > works fine. > > But the below queries(run separately) throw null pointer exceptions: > > %hive > select count(*) from test > > > %hive > select id, count(id) from test group by id > > > > throw the below exception, > > > 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$InterpretJob.jobRun(RemoteInterpreterServer.java:302) > at org.apache.zeppelin.scheduler.Job.run(Job.java:171) > at > org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner.run(ParallelScheduler.java:162) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > > > Please help me out. > > > Regards >
