[jira] [Created] (SPARK-25176) Kryo fails to serialize a parametrised type hierarchy

["Mikhail Pryakhin (JIRA)" <ji...@apache.org>]

Mikhail Pryakhin created SPARK-25176:
----------------------------------------

             Summary: Kryo fails to serialize a parametrised type hierarchy
                 Key: SPARK-25176
                 URL: https://issues.apache.org/jira/browse/SPARK-25176
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.3.1, 2.2.2
            Reporter: Mikhail Pryakhin


I'm using the latest spark version spark-core_2.11:2.3.1 which 
transitively depends on com.esotericsoftware:kryo-shaded:3.0.3 via the
com.twitter:chill_2.11:0.8.0 dependency. This exact version of kryo serializer contains an issue [1,2] which results in throwing ClassCastExcpetions when serialising parameterized type hierarchy.
This issue was fixed in kryo version 4.0.0 [3]. It would be great to have this update in Spark as well. Could you please upgrade the version of com.twitter:chill_2.11 dependency from 0.8.0 up to 0.9.2?
You can find a simple test to reproduce the issue [4].

the following command runs the test against kryo version 3.0.3
./gradlew run -PkryoVersion=3.0.3
the following command runs the test against kryo version 4.0.0
./gradlew run -PkryoVersion=4.0.0

[1] https://github.com/EsotericSoftware/kryo/issues/384
[2] https://github.com/EsotericSoftware/kryo/issues/377
[3] https://github.com/EsotericSoftware/kryo/releases/tag/kryo-parent-4.0.0
[4] https://github.com/mpryahin/kryo-parametrized-type-inheritance



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org