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DeepakVohra commented on SPARK-5631: ------------------------------------ "This means you have mismatched Hadoop versions, either between your Spark and Hadoop deployment, " Hadoop version is hadoop-2.0.0-cdh4.2.0.tar.gz. Spark binaries are compiled with the same version: spark-1.2.0-bin-cdh4.tgz "or because you included Hadoop code in your app." The Spark application is the RunRecommender application. > Server IPC version 7 cannot communicate with client version 4 > ------------------------------------------------------------------ > > Key: SPARK-5631 > URL: https://issues.apache.org/jira/browse/SPARK-5631 > Project: Spark > Issue Type: Bug > Components: Java API > Affects Versions: 1.2.0 > Environment: Scala 2.10.4 > Spark 1.2 > CDH4.2 > Reporter: DeepakVohra > > A Spark application generates the error > Server IPC version 7 cannot communicate with client version 4 -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org