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https://issues.apache.org/jira/browse/FLINK-3762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann updated FLINK-3762:
---------------------------------
Assignee: Andrew Palumbo
> Kryo StackOverflowError due to disabled Kryo Reference tracking
> ----------------------------------------------------------------
>
> Key: FLINK-3762
> URL: https://issues.apache.org/jira/browse/FLINK-3762
> Project: Flink
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.1
> Reporter: Andrew Palumbo
> Assignee: Andrew Palumbo
> Fix For: 1.0.2
>
>
> As discussed on the dev list,
> In {{KryoSerializer.java}}
> Kryo Reference tracking is disabled by default:
> {code}
> kryo.setReferences(false);
> {code}
> This can causes {{StackOverflowError}} Exceptions when serializing many
> objects that may contain recursive objects:
> {code}
> java.lang.StackOverflowError
> at
> com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:48)
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:495)
> at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:523)
> at
> com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:61)
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:495)
> at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:523)
> at
> com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:61)
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:495)
> at com.esotericsoftware.kryo.Kryo.writeObject(Kryo.java:523)
> at
> com.esotericsoftware.kryo.serializers.ObjectField.write(ObjectField.java:61)
> at
> com.esotericsoftware.kryo.serializers.FieldSerializer.write(FieldSerializer.java:495)
> {code}
> By enabling reference tracking, we can fix this problem.
> [1]https://gist.github.com/andrewpalumbo/40c7422a5187a24cd03d7d81feb2a419
>
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