_alias API no longer accepts index wildcards #25090
Description
Elasticsearch version: master
JVM version (java -version): 1.8.0_121
OS version (uname -a if on a Unix-like system): macOS Sierra
Description of the problem including expected versus actual behavior:
It looks like #24723 broke fetching the aliases of a wildcard list of indices:
Steps to reproduce:
master:
with #24723 reverted
