byr18 opened a new issue #19834:
URL: https://github.com/apache/airflow/issues/19834
### Apache Airflow version
2.0.2
### Operating System
Ubuntu:18.04.1
### Versions of Apache Airflow Providers
apache-airflow-providers-ftp==1.0.0
apache-airflow-providers-http==1.0.0
apache-airflow-providers-imap==1.0.0
apache-airflow-providers-sqlite==1.0.0
apache-airflow-providers-ssh==1.0.0
### Deployment
Other
### Deployment details
_No response_
### What happened
I use the SSHOperator,then i get the error:
sqlalchemy.exc.DataError: (pymysql.err.DataError) (1406, "Data too long for
column 'value' at row 1")
[SQL: INSERT INTO xcom (`key`, value, timestamp, execution_date, task_id,
dag_id) VALUES (%(key)s, %(value)s, %(timestamp)s, %(execution_date)s,
%(task_id)s, %(dag_id)s)]
[parameters: {'key': 'return_value', 'value':
b'"cnVuIHJlZ2lzdGVyIC4uLgpweXRob24zIC9kYXRhL3Rlc3RfZGF0YS9haXJmbG93L21vZGVsLXZpYS1mYWNlLXgtZGVidWctM2QvUmVnVXNlcnNNcC5weSAtLXBhcmFtcyB7Imhvc3QiOiIxNzI
... (155033 characters truncated) ...
5q+U6L+H5bCPIiwicmVxdWVzdF9pZCI6IjI5OTkwMDkyLThjNDAtNDIzYi04OGJiLWMyN2EzZTBmZDc2ZSJ9CidUb3RhbCB0aW1lOiAxNjM3ODMzNTAzLjc3NzM2NTQnCidGaW5pc2hlZCEnCg=="',
'timestamp': datetime.datetime(2021, 11, 25, 9, 45, 4, 7199),
'execution_date': datetime.datetime(2021, 11, 25, 9, 44, 51, 99638), 'task_id':
'*', 'dag_id': '*'}]
(Background on this error at: http://sqlalche.me/e/13/9h9h)
I guess the xcom saved some unnecessary information somewhere I don't
know，example：the error code ,which task print
### What you expected to happen
_No response_
### How to reproduce
_No response_
### Anything else
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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