[jira] [Assigned] (FLINK-15116) Make JobClient stateless, remove AutoCloseable

["Aljoscha Krettek (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-15116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek reassigned FLINK-15116:
----------------------------------------

    Assignee: Aljoscha Krettek

> Make JobClient stateless, remove AutoCloseable
> ----------------------------------------------
>
>                 Key: FLINK-15116
>                 URL: https://issues.apache.org/jira/browse/FLINK-15116
>             Project: Flink
>          Issue Type: Sub-task
>          Components: API / DataSet, API / DataStream
>            Reporter: Aljoscha Krettek
>            Assignee: Aljoscha Krettek
>            Priority: Major
>
> Currently, {{JobClient}} is {{AutoCloseable}} and we require users to close the {{JobClient}} that they get as a result from {{executeAsync()}}. This is problematic because users can simply ignore the result of {{executeAsync()}} and then we will leak the resources that the client has.
> We should change the {{JobClient}} so that it acquires the required {{ClusterClient}} for each method call and closes it again. 
> This means that the users no longer have the burden of managing the JobClient lifecycle, i.e. they can freely ignore the result of executeAsync().



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