microhuang edited a comment on issue #20966:
URL: https://github.com/apache/airflow/issues/20966#issuecomment-1017056466
When the task outputs some strange characters, there will be errors when
using UTF-8 decoding due to different encoding. The same problem also exists in
(airflow/hooks/subprocess.py : line 88 : version 2.2.3). You should try to
catch it. I will submit a PR later.
e.g.
```
line = ''
for raw_line in iter(self.sub_process.stdout.readline, b''):
try:
line = raw_line.decode(output_encoding).rstrip()
except UnicodeDecodeError as err:
print(err, output_encoding, raw_line)
self.log.info("%s", line)
```
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