Hi,
We have a small cluster that we upgraded from 7.6.2 to 7.7.0 with .deb's.
Everything went fine with the upgrade.
Plugins were updated and all was rainbows and ponies
Then when I tried to update the plugins in kibana things were looking interesting.
I can not connect to the elasticsearch API with the set credentials.
[2020-05-28T10:22:16,825][INFO ][o.e.x.s.a.AuthenticationService] [log01] Authentication of [elastic] was terminated by realm [reserved] - failed to authenticate user [elastic]
[2020-05-28T10:22:16,871][ERROR][o.e.x.s.a.e.ReservedRealm] [log01] failed to retrieve password hash for reserved user [elastic]
org.elasticsearch.action.UnavailableShardsException: at least one primary shard for the index [.security-7] is unavailable
Any Ideas?
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Regards Falk