The client is unable to verify that the server is Elasticsearch

[patidar2000]

Fluentd not able to connect with elasticsearch

i'm using fluentd:1.16.3-debian-11-r3 and elasticsearch 8.11.2 
while bringing up the fluentd i'm getting this error can someone help me out 
Is this because of version incompatibility or any other reason

This is the startup logs :-

fluentd 21:36:32.29 INFO  ==> 
fluentd 21:36:32.29 INFO  ==> Welcome to the Bitnami fluentd container
fluentd 21:36:32.29 INFO  ==> Subscribe to project updates by watching https://github.com/bitnami/containers
fluentd 21:36:32.29 INFO  ==> Submit issues and feature requests at https://github.com/bitnami/containers/issues
fluentd 21:36:32.29 INFO  ==> 
fluentd 21:36:32.29 INFO  ==> ** Starting Fluentd setup **
find: '/docker-entrypoint-initdb.d/': No such file or directory
fluentd 21:36:32.30 INFO  ==> No custom scripts in /docker-entrypoint-initdb.d

fluentd 21:36:32.30 INFO  ==> ** Fluentd setup finished! **
fluentd 21:36:32.30 INFO  ==> ** Starting Fluentd **
2024-02-27 21:36:32 +0000 [info]: init supervisor logger path=nil rotate_age=nil rotate_size=nil
2024-02-27 21:36:32 +0000 [info]: parsing config file is succeeded path="/opt/bitnami/fluentd/conf/fluentd.conf"
2024-02-27 21:36:32 +0000 [info]: gem 'fluentd' version '1.16.3'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-concat' version '2.5.0'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-detect-exceptions' version '0.0.15'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-elasticsearch' version '5.4.0'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-grafana-loki' version '1.2.20'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-kafka' version '0.19.2'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-kubernetes_metadata_filter' version '3.4.0'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-multi-format-parser' version '1.0.0'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-prometheus' version '2.1.0'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-record-modifier' version '2.1.1'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-rewrite-tag-filter' version '2.4.0'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-s3' version '1.7.2'
2024-02-27 21:36:32 +0000 [info]: gem 'fluent-plugin-systemd' version '1.0.5'

Describe the configuration of Fluentd

No response

Describe the logs of Fluentd

The client is unable to verify that the server is Elasticsearch. Some functionality may not be compatible if the server is running an unsupported product.
11
2024-02-27 21:16:27 +0000 [warn]: #0 [out_es] failed to flush the buffer. retry_times=0 next_retry_time=2024-02-27 21:16:29 +0000 chunk="612638815c861b141b934f41da3f09e9" error_class=Fluent::Plugin::ElasticsearchOutput::RecoverableRequestFailure error="could not push logs to Elasticsearch cluster ({:host=>"elastic-es-http", :port=>9200, :scheme=>"http", :user=>"elastic", :password=>"obfuscated", :path=>""}): read timeout reached"
10
2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluent-plugin-elasticsearch-5.4.0/lib/fluent/plugin/out_elasticsearch.rb:1171:in rescue in send_bulk' 9 2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluent-plugin-elasticsearch-5.4.0/lib/fluent/plugin/out_elasticsearch.rb:1133:in send_bulk'
8
2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluent-plugin-elasticsearch-5.4.0/lib/fluent/plugin/out_elasticsearch.rb:909:in block in write' 7 2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluent-plugin-elasticsearch-5.4.0/lib/fluent/plugin/out_elasticsearch.rb:908:in each'
6
2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluent-plugin-elasticsearch-5.4.0/lib/fluent/plugin/out_elasticsearch.rb:908:in write' 5 2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluentd-1.16.3/lib/fluent/plugin/output.rb:1225:in try_flush'
4
2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluentd-1.16.3/lib/fluent/plugin/output.rb:1538:in flush_thread_run' 3 2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluentd-1.16.3/lib/fluent/plugin/output.rb:510:in block (2 levels) in start'
2
2024-02-27 21:16:27 +0000 [warn]: #0 /opt/bitnami/fluentd/gems/fluentd-1.16.3/lib/fluent/plugin_helper/thread.rb:78:in `block in thread_create'
1
2024-02-27 21:16:28 +0000 [warn]: #0 [out_es] retry succeeded. chunk_id="61263888953da4cf7fe5a2678b8943fc"

Environment

- Fluentd version:1.16
- TD Agent version:
- Fluent Package version:
- Docker image (tag):1.16.3-debian-11-r3
- Operating system:Linux
- Kernel version: