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https://issues.apache.org/jira/browse/SPARK-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-13055:
------------------------------------
Assignee: Andrew Or (was: Apache Spark)
> SQLHistoryListener throws ClassCastException
> --------------------------------------------
>
> Key: SPARK-13055
> URL: https://issues.apache.org/jira/browse/SPARK-13055
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.5.0
> Reporter: Andrew Or
> Assignee: Andrew Or
>
> {code}
> 16/01/27 18:46:28 ERROR ReplayListenerBus: Listener SQLHistoryListener threw
> an exception
> java.lang.ClassCastException: java.lang.Integer cannot be cast to
> java.lang.Long
> at scala.runtime.BoxesRunTime.unboxToLong(BoxesRunTime.java:110)
> at
> org.apache.spark.sql.execution.ui.SQLHistoryListener$$anonfun$onTaskEnd$1$$anonfun$5.apply(SQLListener.scala:334)
> at
> org.apache.spark.sql.execution.ui.SQLHistoryListener$$anonfun$onTaskEnd$1$$anonfun$5.apply(SQLListener.scala:334)
> at scala.Option.map(Option.scala:145)
> at
> org.apache.spark.sql.execution.ui.SQLHistoryListener$$anonfun$onTaskEnd$1.apply(SQLListener.scala:334)
> at
> org.apache.spark.sql.execution.ui.SQLHistoryListener$$anonfun$onTaskEnd$1.apply(SQLListener.scala:332)
> {code}
> SQLHistoryListener listens on SparkListenerTaskEnd events, which contain
> non-SQL accumulators as well. We try to cast all accumulators we encounter to
> Long, resulting in an error like this one.
> Note: this was a problem even before internal accumulators were introduced.
> If the task used a user accumulator of a type other than Long, we would
> still see this.
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