GitHub user scwf opened a pull request:
https://github.com/apache/spark/pull/10213
[SPARK-12222] [Core] Deserialize RoaringBitmap using Kryo serializer throw
Buffer underflow exception
Deserialize RoaringBitmap using Kryo serializer throw Buffer underflow
exception:
```
com.esotericsoftware.kryo.KryoException: Buffer underflow.
at com.esotericsoftware.kryo.io.Input.require(Input.java:156)
at com.esotericsoftware.kryo.io.Input.skip(Input.java:131)
at com.esotericsoftware.kryo.io.Input.skip(Input.java:264)
at
org.apache.spark.sql.SQLQuerySuite$$anonfun$6$KryoInputDataInputBridge$1.skipBytes
```
This is caused by a bug of kryo's `Input.skip(long
count)`(https://github.com/EsotericSoftware/kryo/issues/119) and we call this
method in `KryoInputDataInputBridge`.
Instead of upgrade kryo's version, this pr bypass the kryo's
`Input.skip(long count)` by directly call another `skip` method in kryo's
Input.java(https://github.com/EsotericSoftware/kryo/blob/kryo-2.21/src/com/esotericsoftware/kryo/io/Input.java#L124),
i.e. write the bug-fixed version of `Input.skip(long count)` in
KryoInputDataInputBridge's `skipBytes` method.
more detail link to
https://github.com/apache/spark/pull/9748#issuecomment-162860246
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/scwf/spark patch-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10213.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 #10213
----
commit edf438443b35e131490e8652d6382143180b9e26
Author: Fei Wang <[email protected]>
Date: 2015-12-09T02:41:42Z
fix skipBytes
commit 01d37b0e1833dd17aedd27427102edef3ffdba79
Author: Fei Wang <[email protected]>
Date: 2015-12-09T02:45:19Z
added test suite
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