getElementsByName opened a new issue #13967:
URL: https://github.com/apache/airflow/issues/13967
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**Apache Airflow version**: 2.0.0
**Kubernetes version (if you are using kubernetes)** (use `kubectl
version`): Client v1.14.8 / Server v1.15.10
**Environment**:
- **Cloud provider or hardware configuration**: on-premise
- **OS** (e.g. from /etc/os-release): Ubuntu 18.04.5 LTS
- **Kernel** (e.g. `uname -a`): Linux 5.4.0-62-generic
- **Install tools**:
- **Others**:
**What happened**:
<!-- (please include exact error messages if you can) -->
- operator code (with xcom)
```
write_xcom = KubernetesPodOperator(
do_xcom_push=True,
...
)
```
- airflow log
- pending
```
[2021-01-29 12:32:19,604] {pod_launcher.py:269} INFO - Running command...
kill -s SIGINT 1
```
#### pod
- k8s container state of `airflow-xcom-sidecar`
```
State: Terminated
Reason: Error
Exit Code: 137
```
- processes in `airflow-xcom-sidecar`
```
/airflow/xcom # ps
PID USER TIME COMMAND
1 root 0:00 /pause
6 root 0:00 sh -c sleep 9999;mkdir -p /airflow/xcom/;echo
'[1,2,3,4]' > /airflow/xcom/return.json
11 root 0:00 sleep 9999
12 root 0:00 sh -c trap "exit 0" INT; while true; do sleep 30; done;
23 root 0:00 sh
31 root 0:00 sleep 30
48 root 0:00 ps
```
**What you expected to happen**:
<!-- What do you think went wrong? -->
- send the INT signal to the sidecar's main process (It is PID 12 in the
previous example)
**How to reproduce it**:
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--->
- It is probably related to setting up k8s about container runtime.
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