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Posted to issues@spark.apache.org by "Frode Sormo (JIRA)" <ji...@apache.org> on 2015/08/31 21:44:45 UTC

[jira] [Created] (SPARK-10377) Backported refactor cause

Frode Sormo created SPARK-10377:
-----------------------------------

             Summary: Backported refactor cause
                 Key: SPARK-10377
                 URL: https://issues.apache.org/jira/browse/SPARK-10377
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.4.2
            Reporter: Frode Sormo


The backport in SPARK-7289 and SPARK-9949 includes the refactor of TakeOrdered to TakeOrderedAndProject, which breaks code that refers to TakeOrdered. In a minor version update that is perhaps not expected - specifically, the Cassandra connector refers to this by name and no longer works.

Example use case it to use the Cassandra connector in Scala and creating a CassandraSQLContext:
import com.datastax.spark.connector._
import sqlContext.implicits._
import org.apache.spark.sql.cassandra.CassandraSQLContext

val cassandraSQLContext = new CassandraSQLContext(sc);

java.lang.NoSuchMethodError: org.apache.spark.sql.cassandra.CassandraSQLContext$$anon$1.TakeOrdered()Lorg/apache/spark/sql/execution/SparkStrategies$TakeOrdered$;
	at org.apache.spark.sql.cassandra.CassandraSQLContext$$anon$1.<init>(CassandraSQLContext.scala:90)
	at org.apache.spark.sql.cassandra.CassandraSQLContext.<init>(CassandraSQLContext.scala:85)

(Source code link: https://github.com/datastax/spark-cassandra-connector/blob/v1.4.0-M3/spark-cassandra-connector/src/main/scala/org/apache/spark/sql/cassandra/CassandraSQLContext.scala) 
This is with version 1.4.0M3 of the Datastax Cassandra connector, but affects other 1.4 versions as well.

Issue has also been reported to Datastax, here: 
https://datastax-oss.atlassian.net/browse/SPARKC-238




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