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https://issues.apache.org/jira/browse/SPARK-21234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-21234.
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Resolution: Invalid
Not if it's known the value exists. I don't see you've established any actual
problem here. Please read http://spark.apache.org/contributing.html
> When the function returns Option[Iterator[_]] is None,then get on None will
> cause java.util.NoSuchElementException: None.get
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-21234
> URL: https://issues.apache.org/jira/browse/SPARK-21234
> Project: Spark
> Issue Type: Bug
> Components: Block Manager
> Affects Versions: 2.1.1
> Reporter: wangjiaochun
>
> Class BlockManager {
> ...........................................
> def getLocalValues(blockId: BlockId): Option[BlockResult] ={
> ...............................................
> memoryStore.getValues(blockId).get
> ...............................................
> }
> ..............................................
> }
> The above code getValues return three type values:
> None,IllegalArgumentException and normal ,if return None,Cause
> java.util.NoSuchElementException: None.get。so I think this is potential Bug;
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