[jira] [Closed] (AIRFLOW-1466) Hostname does not match domain name on ec2

["Ash Berlin-Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-1466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ash Berlin-Taylor closed AIRFLOW-1466.
--------------------------------------
    Resolution: Fixed

> Hostname does not match domain name on ec2
> ------------------------------------------
>
>                 Key: AIRFLOW-1466
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1466
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: core
>    Affects Versions: Airflow 1.8
>         Environment: AWS EMR 5.6, Amazon Linux AMI release 2017.03
>            Reporter: Lulu Cheng
>            Assignee: Lulu Cheng
>            Priority: Major
>
> When running jobs on EMR master, it'll throw the following error
> {code}
> AirflowException("Hostname of job runner does not match")
> {code}
> upon investigation, taskinstance.hostname is set to ec2 host name whereas socket.getfqdn is returning full domain name. It's essentially the same, for example ip-1-2-3-4 versus ip-1-2-3-4.ec2.internal.
> Fix is to instead of calling fqdn, call gethostname.



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