Building for the Splunk Platform

REST API Modular Input: After creating a custom search command as a Python script, why am I getting the following "parse transport header" error message?

Path Finder


I have created a custom search command in Splunk as a Python script. When I run the command in Splunk SPL, I get the following error message:

ERROR ChunkedExternProcessor - Failed attempting to parse transport header

Does anyone has any suggestions?

This is the output of commands.conf:

chunked = true
enableheader = false
filename = system_python.path
command.arg.1 =


Did you ever figure this out? I'm having the same problem.

Get Updates on the Splunk Community!

Observability Highlights | January 2023 Newsletter

 January 2023New Product Releases Splunk Network Explorer for Infrastructure MonitoringSplunk unveils Network ...

Security Highlights | January 2023 Newsletter

January 2023 Splunk Security Essentials (SSE) 3.7.0 ReleaseThe free Splunk Security Essentials (SSE) 3.7.0 app ...

Platform Highlights | January 2023 Newsletter

 January 2023Peace on Earth and Peace of Mind With Business ResilienceAll organizations can start the new year ...