[splunk] Connection errors are not logged

[gileri]

Description

Critical errors seem to not be logged in the splunk connector. For example, network connection errors lead to the process termination without any logs except the standard "Terminated" message

2024-07-18 15:46:45.174	Terminated
2024-07-18 15:39:33.046	Terminated
2024-07-18 15:32:14.774	Terminated
2024-07-18 15:24:56.502	Terminated

Environment

1. OS (where OpenCTI server runs): Official docker image.
2. OpenCTI version: 6.2.5
3. OpenCTI client:
4. Other environment details:

Reproducible Steps

Steps to create the smallest reproducible scenario:

1. Use an source IP address on your host that is blocked by the remote splunk instance
2. Use connector

Expected Output

An error or exception in logs.

Actual Output

No logs, just a Terminated message.

Additional information

I believe other errors may also not be logged, but haven't investigated further.

Screenshots (optional)

[nino-filigran]

@helene-nguyen & @Megafredo Could you have a look at this please 🙏 ?

[helene-nguyen]

@nino-filigran Yes, sure!