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https://issues.apache.org/jira/browse/OOZIE-2787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15851652#comment-15851652
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Satish Subhashrao Saley commented on OOZIE-2787:
------------------------------------------------
[SPARK-18099|https://issues.apache.org/jira/browse/SPARK-18099] added an
exception to be thrown if same file gets added multiple times to distributed
cache.
If user has application jar in workflow/lib directory and he/she mentions
relative path of the jar in <jar> tag, then it results in distributing
application jar multiple times. Earlier (before spark 2.1) this wasn't an
issue, because spark used to show a WARN message.
Solution is to include complete hdfs path while specifying application jar and
exclude it from --files option.
> Oozie distributes application jar twice making the spark job fail
> -----------------------------------------------------------------
>
> Key: OOZIE-2787
> URL: https://issues.apache.org/jira/browse/OOZIE-2787
> Project: Oozie
> Issue Type: Bug
> Reporter: Satish Subhashrao Saley
> Assignee: Satish Subhashrao Saley
> Attachments: OOZIE-2787-1.patch
>
>
> Oozie adds the application jar to the list of files to be uploaded to
> distributed cache. Since this gets added twice, the job fails. This is
> observed from spark 2.1.0 which introduces a check for same file and fails
> the job.
> {code}
> --master
> yarn
> --deploy-mode
> cluster
> --name
> oozieSparkStarter
> --class
> ScalaWordCount
> --queue
> default
> --conf
> spark.executor.extraClassPath=$PWD/*
> --conf
> spark.driver.extraClassPath=$PWD/*
> --conf
> spark.executor.extraJavaOptions=-Dlog4j.configuration=spark-log4j.properties
> --conf
> spark.driver.extraJavaOptions=-Dlog4j.configuration=spark-log4j.properties
> --conf
> spark.yarn.security.tokens.hive.enabled=false
> --conf
> spark.yarn.security.tokens.hbase.enabled=false
> --files
> hdfs://mycluster.com/user/saley/oozie/apps/sparkapp/lib/spark-example.jar
> --properties-file
> spark-defaults.conf
> --verbose
> spark-example.jar
> samplefile.txt
> output
> {code}
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