[jira] [Updated] (FLINK-9784) Inconsistent use of 'static' in AsyncIOExample.java

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-9784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-9784:
----------------------------------
    Labels: pull-request-available  (was: )

> Inconsistent use of 'static' in AsyncIOExample.java
> ---------------------------------------------------
>
>                 Key: FLINK-9784
>                 URL: https://issues.apache.org/jira/browse/FLINK-9784
>             Project: Flink
>          Issue Type: Bug
>          Components: Examples
>    Affects Versions: 1.5.0, 1.4.2
>            Reporter: Alexei Nekrassov
>            Assignee: Alexei Nekrassov
>            Priority: Minor
>              Labels: pull-request-available
>
> In SampleAsyncFunction having _executorService_ and _random_ as static, but _counter_ as instance-specific will not work when someone creates a second instance of SampleAsyncFunction. In second SampleAsyncFunction the _counter_ will be 0 and we will re-intialize static _executorService_ and _random_, thus interfering with the first SampleAsyncFunction object.
> To fix this example and make it clearer, make _executorService_ and _random_ instance-specific. That will make _counter_ redundant; also synchronization on class will no longer be needed.



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