[jira] [Updated] (FLINK-4089) Ineffective null check in YarnClusterClient#getApplicationStatus()

["Maximilian Michels (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-4089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maximilian Michels updated FLINK-4089:
--------------------------------------
    Fix Version/s: 1.1.0

> Ineffective null check in YarnClusterClient#getApplicationStatus()
> ------------------------------------------------------------------
>
>                 Key: FLINK-4089
>                 URL: https://issues.apache.org/jira/browse/FLINK-4089
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Ted Yu
>             Fix For: 1.1.0
>
>
> Here is related code:
> {code}
>     if(pollingRunner == null) {
>       LOG.warn("YarnClusterClient.getApplicationStatus() has been called on an uninitialized cluster." +
>           "The system might be in an erroneous state");
>     }
>     ApplicationReport lastReport = pollingRunner.getLastReport();
> {code}
> If pollingRunner is null, NPE would result from the getLastReport() call.



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