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From "Luke Cwik (JIRA)" <>
Subject [jira] [Resolved] (BEAM-626) AvroCoder not deserializing correctly in Kryo
Date Tue, 08 Nov 2016 16:03:58 GMT


Luke Cwik resolved BEAM-626.
       Resolution: Fixed
    Fix Version/s: 0.4.0-incubating

> AvroCoder not deserializing correctly in Kryo
> ---------------------------------------------
>                 Key: BEAM-626
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Aviem Zur
>            Assignee: Aviem Zur
>            Priority: Minor
>             Fix For: 0.4.0-incubating
> Unlike with Java serialization, when deserializing AvroCoder using Kryo, the resulting
AvroCoder is missing all of its transient fields.
> The reason it works with Java serialization is because of the usage of writeReplace and
readResolve, which Kryo does not adhere to.
> In ProtoCoder for example there are also unserializable members, the way it is solved
there is lazy initializing these members via their getters, so they are initialized in the
deserialized object on first call to the member.
> It seems AvroCoder is the only class in Beam to use writeReplace convention.

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