GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/5894
[SPARK-7346][Streaming] Fix a bug that ssc.stop(true, stopGracefully =
true) may block forever
Sometimes, when calling `ssc.stop(true, stopGracefully = true)`, some
`ReceiverSupervisorImpl` may not receive `StopReceiver` because it has not yet
registered (or started). `ssc.stop(true, stopGracefully = true)` won't send
`StopReceiver` to this `ReceiverSupervisorImpl`, so this
`ReceiverSupervisorImpl` won't exit and will block `stop` forever.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark SPARK-7346
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5894.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5894
----
commit 484d8aec9caf4d7e9294b979fb6f2e5f514e3656
Author: zsxwing <[email protected]>
Date: 2015-05-04T21:15:44Z
[SPARK-7346][Streaming] Fix a bug that ssc.stop(true, stopGracefully =
true) may block forever
Sometimes, when calling `ssc.stop(true, stopGracefully = true)`,
`ReceiverSupervisorImpl` may not receive `StopReceiver` because it has not yet
registered (or started). Then `ssc.stop(true, stopGracefully = true)` will
block forever.
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