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Maximilian Michels commented on FLINK-4089: ------------------------------------------- Thank you for reporting! > 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 > Assignee: Maximilian Michels > Fix For: 1.1.0, 1.0.4 > > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)