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https://issues.apache.org/jira/browse/MAHOUT-1950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15896777#comment-15896777
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Hudson commented on MAHOUT-1950:
--------------------------------
SUCCESS: Integrated in Jenkins build Mahout-Quality #3442 (See
[https://builds.apache.org/job/Mahout-Quality/3442/])
MAHOUT-1950 Fix block unread error in shell closes apache/mahout#291
(rawkintrevo: rev ca24f0c44931aaf6ea57ef97384e12e39ccc561d)
* (edit) spark/pom.xml
* (edit) bin/mahout
* (edit) flink/pom.xml
* (edit) .gitignore
* (edit) math-scala/pom.xml
* (edit) math/pom.xml
* (edit) h2o/pom.xml
* (edit) mr/pom.xml
* (edit) hdfs/pom.xml
> Unread Block Data in Spark Shell Pseudo Cluster
> -----------------------------------------------
>
> Key: MAHOUT-1950
> URL: https://issues.apache.org/jira/browse/MAHOUT-1950
> Project: Mahout
> Issue Type: Bug
> Components: Mahout spark shell
> Affects Versions: 0.13.0
> Environment: Spark 1.6.3 Cluster / Pseudo Cluster / YARN Cluster (all
> observed)
> Reporter: Trevor Grant
> Assignee: Trevor Grant
> Priority: Blocker
>
> When doing an operation in the Spark Shell on a Pseudo Cluster, a
> `java.lang.IllegalStateException: unread block data` error is thrown.
> Research and stack trace implies there is some issue with serialization.
> Other issues with spark in cluster mode, hint that the Kryo Jars aren't being
> shipped around.
> Toying has shown that:
> `$SPARK_HOME/bin/spark-shell --jars
> "/opt/mahout/math-scala/target/mahout-math-scala_2.10-0.13.0-SNAPSHOT.jar,/opt/mahout/math/target/mahout-math-0.13.0-SNAPSHOT.jar,/opt/mahout/spark/target/mahout-spark_2.10-0.13.0-SNAPSHOT.jar,/opt/mahout/spark/target/mahout-spark_2.10-0.13.0-SNAPSHOT-dependency-reduced.jar"
> -i $MAHOUT_HOME/bin/load-shell.scala --conf
> spark.kryo.referenceTracking=false --conf
> spark.kryo.registrator=org.apache.mahout.sparkbindings.io.MahoutKryoRegistrator
> --conf spark.kryoserializer.buffer=32k --conf
> spark.kryoserializer.buffer.max=600m --conf
> spark.serializer=org.apache.spark.serializer.KryoSerializer`
> works, and should be used in place of:
> https://github.com/apache/mahout/blob/master/bin/mahout#L294
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