Kibana - elasticsearch connexion

Hello everyone,

I just installed Kibana and Elasticsearch on my server. I downloaded versions 8.2.0 in tar.gz on Linux.

To set up these two software, I modified two documents:

  • elasticsearch.yml
  • kibana.yml

Here is the content of these two files:

For elasticsearch.yml: my-elasticsearch node1 /db/myappli/data/elasticsearch
path.logs: /db/myappli/logs/elasticsearch myservername
http.port: 9206
discovery.seed_hosts: ["myservername"]
cluster.initial_master_nodes: ["myservername"] false

For kibana.yml:

server.port: 5606 "myservername" "myservername"
elasticsearch.hosts: ["http://myservername:9206"]

It's not working, my Elasticsearch can be launched and starts, but my Kibana doesn't. The logs of Kibana say:

[2024-01-09T17:28:35.380+01:00][FATAL][root] TimeoutError: Request timed out
    at KibanaTransport.request (/db/myappli/bin/kibana-8.2.0/node_modules/@elastic/transport/lib/Transport.js:524:31)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at KibanaTransport.request (/db/myappli/bin/kibana-8.2.0/src/core/server/elasticsearch/client/create_transport.js:58:16)
    at Cluster.getSettings (/db/myappli/bin/kibana-8.2.0/node_modules/@elastic/elasticsearch/lib/api/api/cluster.js:157:16)
    at isInlineScriptingEnabled (/db/myappli/bin/kibana-8.2.0/src/core/server/elasticsearch/is_scripting_enabled.js:22:20)
    at ElasticsearchService.start (/db/myappli/bin/kibana-8.2.0/src/core/server/elasticsearch/elasticsearch_service.js:121:32)
    at Server.start (/db/myappli/bin/kibana-8.2.0/src/core/server/server.js:326:32)
    at Root.start (/db/myappli/bin/kibana-8.2.0/src/core/server/root/index.js:69:14)
    at bootstrap (/db/myappli/bin/kibana-8.2.0/src/core/server/bootstrap.js:120:5)
    at Command.<anonymous> (/db/myappli/bin/kibana-8.2.0/src/cli/serve/serve.js:216:5)
[2024-01-09T17:28:46.786+01:00][INFO ][plugins-system.preboot] Stopping all plugins.
[2024-01-09T17:28:46.787+01:00][INFO ][plugins-system.standard] Stopping all plugins.
[2024-01-09T17:28:46.788+01:00][INFO ][plugins.monitoring.monitoring.kibana-monitoring] Monitoring stats collection is stopped
[2024-01-09T17:29:16.795+01:00][WARN ][plugins-system.standard] "eventLog" plugin didn't stop in 30sec., move on to the next.

 FATAL  TimeoutError: Request timed out

By removing the connection to the Elasticsearch database in kibana.yml, Kibana launches and is OK. Like this :

kibana.yml :

server.port: 5606 "myservername" "myservername"

On the Elasticsearch side, when I go to this URL: http://myservername:9206

I get this:

  "name" : "myservername",
  "cluster_name" : "mes-elasticsearch-prod",
  "cluster_uuid" : "_na_",
  "version" : {
    "number" : "8.2.0",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "b174af62e6dd9f4ac4d25875e9781ffe2b9482c5",
    "build_date" : "2022-04-20T10:35:10.180408517Z",
    "build_snapshot" : false,
    "lucene_version" : "9.1.0",
    "minimum_wire_compatibility_version" : "7.17.0",
    "minimum_index_compatibility_version" : "7.0.0"
  "tagline" : "You Know, for Search"

Yes, it seems that your Elasticsearch is working properly and your Kibana is not able to connect to it.

Do you have any ideas for making it work?
Please help me ! :worried:

  1. If you have Kibana and Elasticsearch installed on the same host, you should use the loopback address
  2. If Kibana is on a separate host, try connecting to Elasticsearch on that host using a network utility such as curl
  3. If there is a proxy in between Kibana and Elasticsearch, check the proxy logs for errors

By removing the connection to the Elasticsearch database in kibana.yml, Kibana launches and is OK.

Does "OK" mean there is a different symptom?

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