rchangj opened a new issue #17558:
URL: https://github.com/apache/airflow/issues/17558
**Apache Airflow version**:1.10.12
**Apache Airflow Provider versions** (please include all providers that are
relevant to your bug):
No other providers
**Kubernetes version (if you are using kubernetes)** (use `kubectl version`):
No using k8s
**Environment**:
AWS Linux
- **Cloud provider or hardware configuration**:AWS
- **OS** (e.g. from /etc/os-release):
-NAME="Amazon Linux"
VERSION="2"
ID="amzn"
ID_LIKE="centos rhel fedora"
- **Kernel** (e.g. `uname -a`): 4.14.186-146.268.amzn2.x86_64 #1 SMP Tue Jul
14 18:16:52 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
- **Install tools**: yum, pip3
- **Others**:
**What happened**:
I have been running airflow 1.10.12 for several months without any issues.
Recently I updated airflow to use SSL cert. After that I reboot the airflow
server and then restarted the airflow scheduler and Webserver as following:
airflow Webserver &
airflow scheduler &
The jobs run normally at beginning. However, within one day, all the new
jobs will immediately fail. From UI, I saw the task status as failed. However
there is no log under the task when I checked the log from UI.
I also checked the /logs/scheduler directory, except a warning of
"psycopg2.errors.UniqueViolation: duplicate key value violates unique
constraint "variable_key_key", which has existed for long time, I didn't see
any other warning or error.
Now this problem happened every day, i.e., if I restart airflow Webserver
and scheduler, it works well. But within one day, all the new jobs will
immediately fail with no log.
Do you have any insight what can go wrong? Thanks.
**What you expected to happen**:
**How to reproduce it**:
Not exactly sure how to reproduce. I just reboot airflow server.
**Anything else we need to know**:
How often does this problem occur? Once? Every time etc?
I noticed the problem happens within 1 day.
Any relevant logs to include? Put them here in side a detail tag:
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