Hi, can you explain how you copied that into your *streaming* application? Like, how do you issue the SQL, what data do you operate on, how do you view the logs etc.?
Tobias On Wed, Mar 4, 2015 at 8:55 AM, Cui Lin <cui....@hds.com> wrote: > > > >Dear all, > > > >I found the below sample code can be printed out only in spark shell, but > >when I moved them into my spark streaming application, nothing can be > >printed out into system console. Can you explain why it happened? anything > >related to new spark context? Thanks a lot! > > > > > >val anotherPeopleRDD = sc_context.parallelize( > > """{"name":"Yin","address":{"city":"Columbus","state":"Ohio"}}""" :: > >Nil) > > > >anotherPeopleRDD.toArray().foreach(line => System.out.println(line)) > > > >val jsonMessage = sqlContext.jsonRDD(anotherPeopleRDD) > > > >jsonMessage.toArray().foreach(line => System.out.println(line)) > > > >jsonMessage.registerTempTable("people") > > > >val test: SchemaRDD = sqlContext.sql("select count(*) from people") > > > >test.toArray().foreach(line => System.out.println(line)) > > > > > > > > > >Best regards, > > > >Cui Lin > > > > > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > For additional commands, e-mail: user-h...@spark.apache.org > >