I used it with Java and there, every field of Pojo must map to column names of the table. I think someone with Scala syntax knowledge can help you better.
ThanksAnuj Sent from Yahoo Mail on Android On Mon, 28 Mar, 2016 at 11:47 pm, Anuj Wadehra<anujw_2...@yahoo.co.in> wrote: With my limited experience with Spark, I can tell you that you need to make sure that all columns mentioned in somecolumns must be part of CQL schema of table. ThanksAnuj Sent from Yahoo Mail on Android On Mon, 28 Mar, 2016 at 11:38 pm, Cleosson José Pirani de Souza<cso...@daitangroup.com> wrote: Hello, I am implementing the example on the github (https://github.com/Stratio/cassandra-lucene-index) and when I try to save the data using saveToCassandra I get the exception NoSuchElementException. If I use CassandraConnector.withSessionDo I am able to add elements into Cassandra and no exception is raised. The code :import org.apache.spark.{SparkConf, SparkContext, Logging}import com.datastax.spark.connector.cql.CassandraConnectorimport com.datastax.spark.connector._ object App extends Logging{ def main(args: Array[String]) { // Get the cassandra IP and create the spark context val cassandraIP = System.getenv("CASSANDRA_IP"); val sparkConf = new SparkConf(true) .set("spark.cassandra.connection.host", cassandraIP) .set("spark.cleaner.ttl", "3600") .setAppName("Simple Spark Cassandra Example") val sc = new SparkContext(sparkConf) // Works CassandraConnector(sparkConf).withSessionDo { session => session.execute("INSERT INTO demo.tweets(id, user, body, time, latitude, longitude) VALUES (19, 'Name', 'Body', '2016-03-19 09:00:00-0300', 39, 39)") } // Does not work val demo = sc.parallelize(Seq((9, "Name", "Body", "2016-03-29 19:00:00-0300", 29, 29))) // Raises the exception demo.saveToCassandra("demo", "tweets", SomeColumns("id", "user", "body", "time", "latitude", "longitude")) } } The exception:16/03/28 14:15:41 INFO CassandraConnector: Connected to Cassandra cluster: Test ClusterException in thread "main" java.util.NoSuchElementException: Column not found in demo.tweetsat com.datastax.spark.connector.cql.StructDef$$anonfun$columnByName$2.apply(Schema.scala:60)at com.datastax.spark.connector.cql.StructDef$$anonfun$columnByName$2.apply(Schema.scala:60)at scala.collection.Map$WithDefault.default(Map.scala:52)at scala.collection.MapLike$class.apply(MapLike.scala:141)at scala.collection.AbstractMap.apply(Map.scala:58)at com.datastax.spark.connector.cql.TableDef$$anonfun$9.apply(Schema.scala:153)at com.datastax.spark.connector.cql.TableDef$$anonfun$9.apply(Schema.scala:152)at scala.collection.TraversableLike$WithFilter$$anonfun$map$2.apply(TraversableLike.scala:722)at scala.collection.immutable.Map$Map1.foreach(Map.scala:109)at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:721)at com.datastax.spark.connector.cql.TableDef.<init>(Schema.scala:152)at com.datastax.spark.connector.cql.Schema$$anonfun$com$datastax$spark$connector$cql$Schema$$fetchTables$1$2.apply(Schema.scala:283)at com.datastax.spark.connector.cql.Schema$$anonfun$com$datastax$spark$connector$cql$Schema$$fetchTables$1$2.apply(Schema.scala:271)at scala.collection.TraversableLike$WithFilter$$anonfun$map$2.apply(TraversableLike.scala:722)at scala.collection.immutable.Set$Set4.foreach(Set.scala:137)at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:721)at com.datastax.spark.connector.cql.Schema$.com$datastax$spark$connector$cql$Schema$$fetchTables$1(Schema.scala:271)at com.datastax.spark.connector.cql.Schema$$anonfun$com$datastax$spark$connector$cql$Schema$$fetchKeyspaces$1$2.apply(Schema.scala:295)at com.datastax.spark.connector.cql.Schema$$anonfun$com$datastax$spark$connector$cql$Schema$$fetchKeyspaces$1$2.apply(Schema.scala:294)at scala.collection.TraversableLike$WithFilter$$anonfun$map$2.apply(TraversableLike.scala:722)at scala.collection.immutable.HashSet$HashSet1.foreach(HashSet.scala:153)at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:306)at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:721)at com.datastax.spark.connector.cql.Schema$.com$datastax$spark$connector$cql$Schema$$fetchKeyspaces$1(Schema.scala:294)at com.datastax.spark.connector.cql.Schema$$anonfun$fromCassandra$1.apply(Schema.scala:307)at com.datastax.spark.connector.cql.Schema$$anonfun$fromCassandra$1.apply(Schema.scala:304)at com.datastax.spark.connector.cql.CassandraConnector$$anonfun$withClusterDo$1.apply(CassandraConnector.scala:121)at com.datastax.spark.connector.cql.CassandraConnector$$anonfun$withClusterDo$1.apply(CassandraConnector.scala:120)at com.datastax.spark.connector.cql.CassandraConnector$$anonfun$withSessionDo$1.apply(CassandraConnector.scala:110)at com.datastax.spark.connector.cql.CassandraConnector$$anonfun$withSessionDo$1.apply(CassandraConnector.scala:109)at com.datastax.spark.connector.cql.CassandraConnector.closeResourceAfterUse(CassandraConnector.scala:139)at com.datastax.spark.connector.cql.CassandraConnector.withSessionDo(CassandraConnector.scala:109)at com.datastax.spark.connector.cql.CassandraConnector.withClusterDo(CassandraConnector.scala:120)at com.datastax.spark.connector.cql.Schema$.fromCassandra(Schema.scala:304)at com.datastax.spark.connector.writer.TableWriter$.apply(TableWriter.scala:275)at com.datastax.spark.connector.RDDFunctions.saveToCassandra(RDDFunctions.scala:36)at com.webradar.spci.spark.cassandra.App$.main(App.scala:27)at com.webradar.spci.spark.cassandra.App.main(App.scala)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:497)at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) Regards,Cleosson
