GitHub user 10110346 opened a pull request:
https://github.com/apache/spark/pull/22779
[SPARK-25786][CORE]If the ByteBuffer.hasArray is false , it will throw
UnsupportedOperationException for Kryo
## What changes were proposed in this pull request?
`deserialize` for kryo, the type of input parameter is ByteBuffer, if it
is not backed by an accessible byte array. it will throw
`UnsupportedOperationException`
Exception Info:
```
java.lang.UnsupportedOperationException was thrown.
java.lang.UnsupportedOperationException
at java.nio.ByteBuffer.array(ByteBuffer.java:994)
at
org.apache.spark.serializer.KryoSerializerInstance.deserialize(KryoSerializer.scala:362)
```
## How was this patch tested?
Added a unit test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/10110346/spark InputStreamKryo
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22779.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 #22779
----
commit 943e3988dcb70d17e65b5e508f6f35b87fc71d28
Author: liuxian <liu.xian3@...>
Date: 2018-10-19T11:08:10Z
fix
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