Yah Ted I am trying to handle the exception from saveToCassandra(). But if I don’t place the catch below ssc.awaitTermination(), then the exception is not handled even the first time.
Looks like the main thread is out of exception block once the first exception is handled, not sure!!! - Sam From: Ted Yu [mailto:yuzhih...@gmail.com] Sent: Friday, September 11, 2015 8:05 PM To: Samya MAITI <samya.ma...@amadeus.com> Cc: user <user@spark.apache.org> Subject: Re: Exception Handling : Spark Streaming Was your intention that exception from rdd.saveToCassandra() be caught ? In that case you can place try / catch around that call. Cheers On Fri, Sep 11, 2015 at 7:30 AM, Samya <samya.ma...@amadeus.com<mailto:samya.ma...@amadeus.com>> wrote: Hi Team, I am facing this issue where in I can't figure out why the exception is handled the first time an exception is thrown in the stream processing action, but is ignored the second time. PFB my code base. object Boot extends App { //Load the configuration val config = LoadConfig.getConfig val checkpointDirectory = config.getString("nexti.spark.checkpointDirectory") var ssc: StreamingContext = null try{ val sparkConf = new SparkConf() .setAppName(Boot.config.getString("nexti.spark.appNme")) .setMaster(Boot.config.getString("nexti.spark.master")) .set("spark.cassandra.connection.host", Boot.config.getString("nexti.spark.cassandra.connection.host")) .set("spark.cassandra.query.retry.count",Boot.config.getString("nexti.spark.cassandra.query.retry.count")) val ssc = new StreamingContext(sparkConf, Seconds(30)) val msgStream = SparkKafkaDirectAPI.getStream(ssc) val wordCountPair = msgStream.map(_._2).flatMap(_.split(" ")).map(x => (x, 1L)).reduceByKey(_ + _) wordCountPair.foreachRDD(rdd => rdd.saveToCassandra("nexti","direct_api_test",AllColumns)) ssc.start() ssc.awaitTermination() } catch { case ex: Exception =>{ println(">>>>>>>> Exception UNKNOWN Only.............") } } } I am sure that missing out on something, please provide your inputs. Regards, Sam -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Exception-Handling-Spark-Streaming-tp24658.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org<mailto:user-unsubscr...@spark.apache.org> For additional commands, e-mail: user-h...@spark.apache.org<mailto:user-h...@spark.apache.org>
