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Posted to issues@spark.apache.org by "Ohad Zadok (JIRA)" <ji...@apache.org> on 2015/07/08 23:37:04 UTC

[jira] [Updated] (SPARK-8904) When using LDA DAGScheduler throws exception

     [ https://issues.apache.org/jira/browse/SPARK-8904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ohad Zadok updated SPARK-8904:
------------------------------
    Attachment: ldaexample.scala

> When using LDA DAGScheduler throws exception
> --------------------------------------------
>
>                 Key: SPARK-8904
>                 URL: https://issues.apache.org/jira/browse/SPARK-8904
>             Project: Spark
>          Issue Type: Bug
>          Components: ML, MLlib
>    Affects Versions: 1.4.0
>         Environment: Amazon EC2 using ubuntu
>            Reporter: Ohad Zadok
>         Attachments: ldaexample.scala
>
>
> When using the LDA algorithm, DAGscheduler throws an exeption, this is the stack trace:
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:745)
> Driver stacktrace:
>         at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1266)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1257)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1256)
>         at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
>         at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
>         at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1256)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:730)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:730)
>         at scala.Option.foreach(Option.scala:236)
>         at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:730)
>         at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1450)
>         at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1411)
>         at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)



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