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Posted to issues@flink.apache.org by "Jianhui Dong (Jira)" <ji...@apache.org> on 2022/03/19 11:27:00 UTC
[jira] [Updated] (FLINK-26738) Default value of StateDescriptor is valid when enable state ttl config
[ https://issues.apache.org/jira/browse/FLINK-26738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jianhui Dong updated FLINK-26738:
---------------------------------
Priority: Critical (was: Blocker)
> Default value of StateDescriptor is valid when enable state ttl config
> ----------------------------------------------------------------------
>
> Key: FLINK-26738
> URL: https://issues.apache.org/jira/browse/FLINK-26738
> Project: Flink
> Issue Type: Bug
> Components: API / Core
> Affects Versions: 1.15.0
> Reporter: Jianhui Dong
> Priority: Critical
>
> Suppose we declare a ValueState like following:
> {code:java}
> ValueStateDescriptor<Tuple2<Long, Long>> descriptor =
> new ValueStateDescriptor<>(
> "average", // the state name
> TypeInformation.of(new TypeHint<Tuple2<Long, Long>>() {}),
> Tuple2.of(0L, 0L));
> {code}
> and then we add state ttl config to the state:
> {code:java}
> descriptor.enableTimeToLive(StateTtlConfigUtil.createTtlConfig(60000));
> {code}
> the default value Tuple2.of(0L, 0L) will be invalid and may cause NPE.
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