[jira] [Assigned] (FLINK-17080) Utils.CollectHelper is possible to throw NPE if the sink is up but not initialized when the job fails

["Jark Wu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-17080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jark Wu reassigned FLINK-17080:
-------------------------------

    Assignee: Caizhi Weng

> Utils.CollectHelper is possible to throw NPE if the sink is up but not initialized when the job fails
> -----------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-17080
>                 URL: https://issues.apache.org/jira/browse/FLINK-17080
>             Project: Flink
>          Issue Type: Bug
>          Components: API / DataSet
>    Affects Versions: 1.11.0
>            Reporter: Caizhi Weng
>            Assignee: Caizhi Weng
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.11.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When the sink using {{Utils.CollectHelper}} is up but not initialized and the job fails due to other operators, it is possible that the {{close()}} method of {{Utils.CollectHelper}} is called when {{open()}} is not called.
> Currently {{Utils.CollectHelper}} does not deal with this case and will throw NPE.



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