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https://issues.apache.org/jira/browse/SPARK-17802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shuai Lin updated SPARK-17802:
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Description:
SPARK-16757 sets the hadoop {{CallerContext}} when calling hadoop/hdfs apis to
make spark applications more diagnosable in hadoop/hdfs logs. However, the
{{CallerContext}} is only added since [hadoop
2.8|https://issues.apache.org/jira/browse/HDFS-9184]. So each time
{{utils.CallerContext.setCurrentContext()}} is called (e.g [when a task is
created|https://github.com/apache/spark/blob/b678e46/core/src/main/scala/org/apache/spark/scheduler/Task.scala#L95-L96]),
a "java.lang.ClassNotFoundException: org.apache.hadoop.ipc.CallerContext"
error is logged, which pollutes the spark logs when there are lots of tasks.
We should improve this so it's only logged once.
was:
SPARK-16757 sets the hadoop {{CallerContext}} when calling hadoop/hdfs apis to
make spark applications more diagnosable in hadoop/hdfs logs. However, the
{{CallerContext}} is only added since hadoop 2.8. So each time
{{utils.CallerContext.setCurrentContext()}} is called (e.g when a task is
created), a "java.lang.ClassNotFoundException:
org.apache.hadoop.ipc.CallerContext"
error is logged.
We should improve this so it's only logged once.
> Lots of "java.lang.ClassNotFoundException:
> org.apache.hadoop.ipc.CallerContext" In spark logs
> ---------------------------------------------------------------------------------------------
>
> Key: SPARK-17802
> URL: https://issues.apache.org/jira/browse/SPARK-17802
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Shuai Lin
> Priority: Minor
>
> SPARK-16757 sets the hadoop {{CallerContext}} when calling hadoop/hdfs apis
> to make spark applications more diagnosable in hadoop/hdfs logs. However, the
> {{CallerContext}} is only added since [hadoop
> 2.8|https://issues.apache.org/jira/browse/HDFS-9184]. So each time
> {{utils.CallerContext.setCurrentContext()}} is called (e.g [when a task is
> created|https://github.com/apache/spark/blob/b678e46/core/src/main/scala/org/apache/spark/scheduler/Task.scala#L95-L96]),
> a "java.lang.ClassNotFoundException: org.apache.hadoop.ipc.CallerContext"
> error is logged, which pollutes the spark logs when there are lots of tasks.
> We should improve this so it's only logged once.
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