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https://issues.apache.org/jira/browse/SPARK-4803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tathagata Das resolved SPARK-4803.
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Resolution: Fixed
Fix Version/s: 1.2.1
1.3.0
> Duplicate RegisterReceiver messages sent from ReceiverSupervisor
> ----------------------------------------------------------------
>
> Key: SPARK-4803
> URL: https://issues.apache.org/jira/browse/SPARK-4803
> Project: Spark
> Issue Type: Bug
> Components: Streaming
> Reporter: Ilayaperumal Gopinathan
> Priority: Trivial
> Fix For: 1.3.0, 1.2.1
>
>
> The ReceiverTracker receivers `RegisterReceiver` messages two times
> 1) When the actor at `ReceiverSupervisorImpl`'s preStart is invoked
> 2) After the receiver is started at the executor `onReceiverStart()` at
> `ReceiverSupervisorImpl`
> Though the 'RegisterReceiver' message uses the same streamId and the
> receiverInfo gets updated every time the message is processed at the
> `ReceiverTracker`, it makes sense to call register receiver only after the
> receiver is started.
> or, am I missing something here?
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