[jira] [Commented] (AIRFLOW-5240) latest version of Kombu is breaking airflow

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-5240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16919922#comment-16919922 ] 

ASF subversion and git services commented on AIRFLOW-5240:
----------------------------------------------------------

Commit b718d3d44f672c26e288f6d93ce500a38f9d8e8b in airflow's branch refs/heads/v1-10-test from Kaxil Naik
[ https://gitbox.apache.org/repos/asf?p=airflow.git;h=b718d3d ]

[AIRFLOW-5240] Latest version of Kombu is breaking airflow for py2


> latest version of Kombu is breaking airflow
> -------------------------------------------
>
>                 Key: AIRFLOW-5240
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-5240
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: celery, cli
>    Affects Versions: 1.10.4
>            Reporter: Kalyanaraman Santhanam
>            Priority: Major
>
> I believe kombu 4.6.4 released on Aug 14th (2 days ago) is breaking CeleryExecutor
> [https://github.com/celery/kombu/releases/tag/4.6.4]
> I was able to resolve it by pinning kombu at 4.6.3
>  
> Refer to the stack trace below:
> {code:java}
> Traceback (most recent call last):
>   File "/usr/local/bin/airflow", line 22, in <module>
>     from airflow.bin.cli import CLIFactory
>   File "/usr/local/lib/python2.7/dist-packages/airflow/bin/cli.py", line 55, in <module>
>     from airflow import jobs, settings
>   File "/usr/local/lib/python2.7/dist-packages/airflow/jobs/__init__.py", line 21, in <module>
>     from airflow.jobs.base_job import BaseJob  # noqa: F401
>   File "/usr/local/lib/python2.7/dist-packages/airflow/jobs/base_job.py", line 48, in <module>
>     class BaseJob(Base, LoggingMixin):
>   File "/usr/local/lib/python2.7/dist-packages/airflow/jobs/base_job.py", line 82, in BaseJob
>     executor=executors.get_default_executor(),
>   File "/usr/local/lib/python2.7/dist-packages/airflow/executors/__init__.py", line 48, in get_default_executor
>     DEFAULT_EXECUTOR = _get_executor(executor_name)
>   File "/usr/local/lib/python2.7/dist-packages/airflow/executors/__init__.py", line 76, in _get_executor
>     from airflow.executors.celery_executor import CeleryExecutor
>   File "/usr/local/lib/python2.7/dist-packages/airflow/executors/celery_executor.py", line 27, in <module>
>     from celery import Celery
>   File "/usr/local/lib/python2.7/dist-packages/celery/local.py", line 509, in __getattr__
>     module = __import__(self._object_origins[name], None, None, [name])
>   File "/usr/local/lib/python2.7/dist-packages/celery/app/__init__.py", line 5, in <module>
>     from celery import _state
>   File "/usr/local/lib/python2.7/dist-packages/celery/_state.py", line 17, in <module>
>     from celery.utils.threads import LocalStack
>   File "/usr/local/lib/python2.7/dist-packages/celery/utils/__init__.py", line 9, in <module>
>     from .nodenames import worker_direct, nodename, nodesplit
>   File "/usr/local/lib/python2.7/dist-packages/celery/utils/nodenames.py", line 9, in <module>
>     from kombu.entity import Exchange, Queue
>   File "/usr/local/lib/python2.7/dist-packages/kombu/entity.py", line 9, in <module>
>     from .serialization import prepare_accept_content
>   File "/usr/local/lib/python2.7/dist-packages/kombu/serialization.py", line 456, in <module>
>     for ep, args in entrypoints('kombu.serializers'):  # pragma: no cover
>   File "/usr/local/lib/python2.7/dist-packages/kombu/utils/compat.py", line 89, in entrypoints
>     for ep in importlib_metadata.entry_points().get(namespace, [])
>   File "/usr/local/lib/python2.7/dist-packages/importlib_metadata/__init__.py", line 456, in entry_points
>     ordered = sorted(eps, key=by_group)
>   File "/usr/local/lib/python2.7/dist-packages/importlib_metadata/__init__.py", line 454, in <genexpr>
>     dist.entry_points for dist in distributions())
>   File "/usr/local/lib/python2.7/dist-packages/importlib_metadata/__init__.py", line 364, in <genexpr>
>     cls._search_path(path, pattern)
>   File "/usr/local/lib/python2.7/dist-packages/importlib_metadata/__init__.py", line 373, in _switch_path
>     return pathlib.Path(path)
>   File "/usr/local/lib/python2.7/dist-packages/pathlib2/__init__.py", line 1256, in __new__
>     self = cls._from_parts(args, init=False)
>   File "/usr/local/lib/python2.7/dist-packages/pathlib2/__init__.py", line 898, in _from_parts
>     drv, root, parts = self._parse_args(args)
>   File "/usr/local/lib/python2.7/dist-packages/pathlib2/__init__.py", line 891, in _parse_args
>     return cls._flavour.parse_parts(parts)
>   File "/usr/local/lib/python2.7/dist-packages/pathlib2/__init__.py", line 250, in parse_parts
>     parsed.append(intern(x))
> TypeError: can't intern subclass of string
> {code}



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