thanks for your prompt reply and answering my question.
There seems to be a problem with the Elasticsearch connection. It’s not open with 9000, 9200 ports. When viewed on the web, Nodes displays the status as unknown. The logs on the server.
I’d appreciate your help.
00 WARN [ProxiedResource] Unable to call https://xxx.xxx.xxx.xxx:9000/api/system on node java.net.SocketTimeoutException: timeout
ERROR [AnyExceptionClassMapper] Unhandled exception in REST resource
java.net.SocketTimeoutException: timeout
2022-04-21T19:42:14.330+09:00 ERROR [Cluster] Couldn’t read cluster health for indices [graylog_*] (Could not connect to http://127.0.0.1:9200)
2022-04-21T19:42:14.330+09:00 INFO [IndexerClusterCheckerThread] Indexer not fully initialized yet. Skipping periodic cluster check.
2022-04-21T19:42:14.451+09:00 WARN [V20161130141500_DefaultStreamRecalcIndexRanges] Interrupted or timed out waiting for Elasticsearch cluster, checking again.