[jira] [Commented] (AIRFLOW-783) Python 3 incompatibility in BaseTaskRunner

["Walter Smith (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15833190#comment-15833190 ] 

Walter Smith commented on AIRFLOW-783:
--------------------------------------

https://github.com/apache/incubator-airflow/pull/2008

> Python 3 incompatibility in BaseTaskRunner
> ------------------------------------------
>
>                 Key: AIRFLOW-783
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-783
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: core
>    Affects Versions: Airflow 1.8
>         Environment: python 3.4
>            Reporter: Walter Smith
>            Assignee: Walter Smith
>
> The stdout of the subprocess is being used without a codec, so task output is lost. Running unit tests will demonstrate this repeatedly.
> Typical backtrace:
> {noformat}
> test_fetch_task_instance (tests.WebUiTests) ... Exception in thread Thread-3:
> Traceback (most recent call last):
>   File "/usr/local/Cellar/python3/3.4.3/Frameworks/Python.framework/Versions/3.4/lib/python3.4/threading.py", line 920, in _bootstrap_inner
>     self.run()
>   File "/usr/local/Cellar/python3/3.4.3/Frameworks/Python.framework/Versions/3.4/lib/python3.4/threading.py", line 868, in run
>     self._target(*self._args, **self._kwargs)
>   File "/Users/walter/infbio/incubator-airflow/airflow/task_runner/base_task_runner.py", line 95, in _read_task_logs
>     self.logger.info('Subtask: {}'.format(line.rstrip('\n')))
> TypeError: 'str' does not support the buffer interface
> {noformat}



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