eKuiper respone code changes over time

[LeeShan87]

I'm upgrading an old eKuiper service and I found several changed undocumented http response codes.
I've create a script to track changes. Source: https://github.com/LeeShan87/ekuiper-response-codes

This is just informative issue, if anyone needs it.

eKuiper Response Code Comparison

Comparison of HTTP response codes across multiple eKuiper versions.

Response Code Comparison Table

Test Scenario	1.1.1-alpine	2.2.0-alpine	1.2.0-alpine	1.3.0-alpine	1.4.0-alpine	1.5.0-alpine	1.6.0-alpine	1.7.0-alpine	1.8.0-alpine	1.9.0-alpine	1.10.0-alpine	1.11.0-alpine	1.12.0-alpine	1.13.0-alpine	1.14.0-alpine	2.0.0-alpine	2.1.0-alpine
Getting information	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
ping	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
show streams (empty)	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
create a stream	201	201	201	201	201	201	201	201	201	201	201	201	201	201	201	201	201
show streams	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
describe a stream	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
update a stream	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
drop a stream	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
drop a stream (not exists)	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404
describe a stream (not exists)	404	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
update a stream (not exists)	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
describe a stream	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
create a stream (may exists)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a stream (already exists)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a stream not valied json	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a stream not valid command	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
show rules (empty)	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
create a rule	201	201	201	201	201	201	201	201	201	201	201	201	201	201	201	201	201
show rules	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
describe a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
update a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
start a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
start already running rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
stop a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
stop already stopped rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
restart a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
get the status of a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
get the topology structure of a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
drop a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
drop a rule (not exists)	404	400	404	404	404	404	404	404	404	404	404	404	404	404	404	400	400
start a rule (not exists)	404	404	404	404	404	404	404	404	400	400	400	400	400	404	404	404	404
stop a rule (not exists)	200	404	200	200	200	200	200	200	200	200	200	200	200	404	404	404	404
restart a rule (not exists)	404	404	404	404	404	404	404	404	400	400	400	400	400	404	404	404	404
get the status of a rule (not exists)	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404
get the topology structure of a rule (not exists)	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404
describe a rule (not exists)	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404
update a rule (not exists)	404	200	404	404	404	404	404	404	404	404	404	404	404	404	404	404	404
create a rule	201	400	201	201	201	201	201	201	201	201	201	201	201	201	201	201	201
create a rule (already exists)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
drop a rule	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
create a rule (mising id)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a rule (missing sql)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a rule (missign action)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a rule (invalid json)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a rule (invalid sql)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
create a rule (missign action)	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400	400
drop a stream	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200	200
create a rule (stream not exists)	201	400	201	201	201	201	201	201	400	400	400	400	400	400	400	400	400
drop a rule	200	400	200	200	200	200	200	200	404	404	404	404	404	404	404	400	400

Generated on Thu Jul 10 19:06:00 2025