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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2018/03/06 13:34:00 UTC
[jira] [Closed] (FLINK-8807) ZookeeperCompleted checkpoint store
can get stuck in infinite loop
[ https://issues.apache.org/jira/browse/FLINK-8807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aljoscha Krettek closed FLINK-8807.
-----------------------------------
Resolution: Fixed
Assignee: Aljoscha Krettek
> ZookeeperCompleted checkpoint store can get stuck in infinite loop
> ------------------------------------------------------------------
>
> Key: FLINK-8807
> URL: https://issues.apache.org/jira/browse/FLINK-8807
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.5.0
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Priority: Blocker
> Fix For: 1.5.0
>
>
> This code: https://github.com/apache/flink/blob/9071e3befb8c279f73c3094c9f6bddc0e7cce9e5/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/ZooKeeperCompletedCheckpointStore.java#L201 can be stuck forever if at least one checkpoint is not readable because {{CompletedCheckpoint}} does not have a proper {{equals()}}/{{hashCode()}} anymore.
> We have to fix this and also add a unit test that verifies the loop still works if we make one snapshot unreadable.
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