Today we updated our version of Graylog to 2.3. However, she stopped receiving messages. When I try to perform a search, the following message is displayed:
Unable to perform search query.
Search status code:
Can not GET http://188.8.131.52:12900/search/universal/relative?query=*&range=300&limit=150&sort=timestamp%3Adesc (500)
According to the graylog-server log, the message:
“ERROR [Cluster] could not read cluster health for indices [graylog_ *] (could not connect to http://127.0.0.1:9200)”
Followed by several errors. I noticed that it tries to connect to the elasticsearch cluster through localhost, however the cluster is available on another server and through our tests it is available. The graylog-server and elasticsearch configuration files are apparently normal. I would like help solving this problem since Graylog stopped working at our institution.