Action/metadata line [1] contains an unknown parameter [_type] while sending logs from fluent D to Elastic search cloud

[meghadkiru]

What is a problem?

Even after suppressing type it does not work.
Could someone please guide about this?
Thanks

Describe the configuration of Fluentd

No response

Describe the logs of Fluentd

Action/metadata line [1] contains an unknown parameter [_type]
No response

Environment

- Fluentd version: fluent/fluentd-kubernetes-daemonset:v1.16-debian-elasticsearch8-2
- TD Agent version:
- Fluent Package version:
- Docker image (tag):
- Operating system:
- Kernel version:

[tornado67]

Same here...

2025-03-16 02:57:29 +0000 [info]: #0 [filter_kube_metadata] stats - namespace_cache_size: 14, pod_cache_size: 62, pod_cache_api_updates: 9, id_cache_miss: 9, pod_cache_watch_misses: 8, pod_cache_watch_delete_ignored: 2, pod_cache_watch_updates: 7, pod_cache_watch_ignored: 2, pod_cache_host_updates: 62, namespace_cache_host_updates: 14
2025-03-16 02:57:34 +0000 [warn]: #0 failed to flush the buffer. retry_times=6 next_retry_time=2025-03-16 02:58:40 +0000 chunk="6306ccdeb24bed3660e2b1409936aa8f" error_class=Fluent::Plugin::ElasticsearchOutput::RecoverableRequestFailure error="could not push logs to Elasticsearch cluster ({:host=>\"1.1.1.1\", :port=>9200, :scheme=>\"https\", :user=>\"elastic\", :password=>\"obfuscated\", :path=>\"\"}): [400] {\"error\":{\"root_cause\":[{\"type\":\"illegal_argument_exception\",\"reason\":\"Action/metadata line [1] contains an unknown parameter [_type]\"}],\"type\":\"illegal_argument_exception\",\"reason\":\"Action/metadata line [1] contains an unknown parameter [_type]\"},\"status\":400}"

Elasticsearch:

Version: 8.17.3, Build: deb/a091390de485bd4b127884f7e565c0cad59b10d2/2025-02-28T10:07:26.089129809Z, JVM: 23