@MattWho, Kindly find the below flow. After the ExecuteStreamCommand the log file will be created when the output is failed with the content in log file as shown below. So, either way i have to do that is either attach the log file to mail or paste that content in mail.   Nifi Flow:   Log File Content: 2022-07-27 21:18:48,574 Traceback (most recent call last): File "File_upload.py", line 121, in <module> shell_exec(query) File "File_upload.py", line 28, in shell_exec raise Exception(stderr) Exception: mv: `/abc/xyz/abc_xyz_stg/configs_enc/COMMON/archive/ENV/env_uat_v_3.json': No such file or directory: `hdfs://cluster/abc/xyz/abc_xyz_stg/configs_enc/COMMON/archive/ENV/env_uat_v_3.json' ... View more

Hi @MattWho ,   What I want is I'm executing the python script using the above given flow using ExecuteStreamCommand every 5 mins. But when the python script fails it create one log file at some location of another server. I want to attach that log file to the mail which we are putting it using PutEmail processor.  ... View more

Hi @MattWho,   I want to get the mails after the failure of flow with the error message in the mail. ... View more