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https://issues.apache.org/jira/browse/FLINK-6844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16055827#comment-16055827
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Tzu-Li (Gordon) Tai commented on FLINK-6844:
--------------------------------------------
The thing is, I can't tell anything from:
{code}
2017-06-20 15:26:25,518 INFO
org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint
triggering task Source: Custom File Source (1/1) is not being executed at the
moment. Aborting checkpoint.
{code}
It's also not related to the CEP operator.
> TraversableSerializer should implement compatibility methods
> ------------------------------------------------------------
>
> Key: FLINK-6844
> URL: https://issues.apache.org/jira/browse/FLINK-6844
> Project: Flink
> Issue Type: Bug
> Components: Type Serialization System
> Affects Versions: 1.3.0
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Tzu-Li (Gordon) Tai
> Priority: Blocker
> Labels: flink-rel-1.3.1-blockers
> Fix For: 1.3.1, 1.4.0
>
>
> The {{TraversableSerializer}} may be used as a serializer for managed state
> and takes part in checkpointing, therefore should implement the compatibility
> methods.
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