Snapshot Lifecycle Policy API return empty object instead 404 when policy not exist #47664
Description
Elasticsearch version (bin/elasticsearch --version): 7.4.0
Plugins installed: []
JVM version (java -version):
OS version (uname -a if on a Unix-like system):
Description of the problem including expected versus actual behavior:
Actual:
When get Snapshot lifecycle api with policy not exist, it wil return empty Object {}
-> GET /_slm/policy/policy-not-exist
-> it return {} with status 200
Expected:
-> It return status 404
Steps to reproduce:
curl -XGET http://127.0.0.1:9200/_slm/policy/policy-not-exist