Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/4688#discussion_r29074427
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -121,8 +125,7 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
context.reply(RegisterExecutorFailed("Duplicate executor ID: " +
executorId))
} else {
logInfo("Registered executor: " + executorRef + " with ID " +
executorId)
- context.reply(RegisteredExecutor)
-
+ context.reply(RegisteredExecutor(latestTokens))
--- End diff --
did you look in ExecutorRunnable.startContainer?
val credentials = UserGroupInformation.getCurrentUser().getCredentials()
val dob = new DataOutputBuffer()
credentials.writeTokenStorageToStream(dob)
ctx.setTokens(ByteBuffer.wrap(dob.getData()))
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