GitHub user crabmc opened a pull request:
https://github.com/apache/spark/pull/18432
resolve com.esotericsoftware.kryo.KryoException
## What changes were proposed in this pull request?
Explicitly setting "spark.serializer" to
"org.apache.spark.serializer.KryoSerializer" could resolve
"com.esotericsoftware.kryo.KryoException: Encountered unregistered class ID"
for this example code.
## How was this patch tested?
This example code always report "com.esotericsoftware.kryo.KryoException:
Encountered unregistered class ID" after launching. With this patch the code
could run normally.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/crabmc/spark patch-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18432.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 #18432
commit 54731f1df44748186af15760a9c88bc9de7f486c
Author: crab
Date: 2017-06-27T09:32:47Z
resolve com.esotericsoftware.kryo.KryoException
Explicitly setting "spark.serializer" to
"org.apache.spark.serializer.KryoSerializer" could resolve
"com.esotericsoftware.kryo.KryoException: Encountered unregistered class ID"
for this example code
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