Re: Spark: Order by Failed, java.lang.NullPointerException

2014-10-24 Thread Michael Armbrust
Usually when the SparkContext throws an NPE it means that it has been shut down due to some earlier failure. On Wed, Oct 22, 2014 at 5:29 PM, arthur.hk.c...@gmail.com arthur.hk.c...@gmail.com wrote: Hi, I got java.lang.NullPointerException. Please help! sqlContext.sql(select l_orderkey,

Re: Spark: Order by Failed, java.lang.NullPointerException

2014-10-24 Thread arthur.hk.c...@gmail.com
Hi, Added “l_linestatus” it works, THANK YOU!! sqlContext.sql(select l_linestatus, l_orderkey, l_linenumber, l_partkey, l_quantity, l_shipdate, L_RETURNFLAG, L_LINESTATUS from lineitem order by L_LINESTATUS limit 10).collect().foreach(println); 14/10/25 07:03:24 INFO DAGScheduler: Stage 12

Spark: Order by Failed, java.lang.NullPointerException

2014-10-22 Thread arthur.hk.c...@gmail.com
Hi, I got java.lang.NullPointerException. Please help! sqlContext.sql(select l_orderkey, l_linenumber, l_partkey, l_quantity, l_shipdate, L_RETURNFLAG, L_LINESTATUS from lineitem limit 10).collect().foreach(println); 2014-10-23 08:20:12,024 INFO