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https://issues.apache.org/jira/browse/FLINK-29328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17606408#comment-17606408
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Yun Tang commented on FLINK-29328:
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[~Jason_H] Please use English to update this ticket.

> 【flink在使用状态过期设置时出现问题】
> ---------------------
>
>                 Key: FLINK-29328
>                 URL: https://issues.apache.org/jira/browse/FLINK-29328
>             Project: Flink
>          Issue Type: Bug
>          Components: API / DataStream
>    Affects Versions: 1.14.3
>         Environment: !报错1.jpg!!报错2.jpg!
>            Reporter: Jason
>            Priority: Minor
>         Attachments: 报错1.jpg, 报错2.jpg
>
>
> 本人是基于flink1.14.3的版本使用时出现如下的问题,在第一次完成一个Flink作业时,添加了TTL的设置,然后启动作业后,在某一次作业出现问题自动恢复时,报如下错误,具体见附件图片,最终修复的方法是,在创建状态描述器是改变了写法,如下所示:
> 报错之前的写法:
> {code:java}
> public static final MapStateDescriptor<String, Integer> 
> quantityJudgeStateDescriptor = new MapStateDescriptor<>(
>         "quantityJudgeMapState",
>         String.class,
>         Integer.class); {code}
> 报错之后的写法:
> {code:java}
> public static final MapStateDescriptor<String, RateUnionVo> 
> rateAlgorithmStateProperties = new MapStateDescriptor<>(
>         "rateAlgorithmMapState",
>         TypeInformation.of(new TypeHint<String>() {
>         }),
>         TypeInformation.of(new TypeHint<RateUnionVo>() {
>         })
> ); {code}
> 改成之后的这种写法后,测试没有出现上述的问题,暂不知道是否是bug问题,提此问题,以追根溯源。
>  



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