Wazuh Indexer - Some warning messages appears in the logs

[mauromalara]

Wazuh version	Install type	Action performed	Platform
4.3.6-rc1	Indexer	Install/Upgrade/Remove	Amazon Linux release 2

Description

This was found while testing manually the Release Candidate 1 of Wazuh v4.3.6 in 3 different nodes.

The warning message appears always, you can check it by restarting the indexer and running journalctl -xe -u wazuh-indexer.service --no-pager:

Jul 18 20:09:04 ip-10-0-2-170.us-west-1.compute.internal systemd[1]: Stopping Wazuh-indexer...
-- Subject: Unit wazuh-indexer.service has begun shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit wazuh-indexer.service has begun shutting down.
Jul 18 20:09:04 ip-10-0-2-170.us-west-1.compute.internal systemd[1]: Starting Wazuh-indexer...
-- Subject: Unit wazuh-indexer.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit wazuh-indexer.service has begun starting up.
Jul 18 20:09:20 ip-10-0-2-170.us-west-1.compute.internal systemd-entrypoint[28834]: WARNING: An illegal reflective access operation has occurred
Jul 18 20:09:20 ip-10-0-2-170.us-west-1.compute.internal systemd-entrypoint[28834]: WARNING: Illegal reflective access by io.protostuff.runtime.PolymorphicThrowableSchema (file:/usr/share/wazuh-indexer/plugins/opensearch-anomaly-detection/protostuff-runtime-1.7.4.jar) to field java.lang.Throwable.cause
Jul 18 20:09:20 ip-10-0-2-170.us-west-1.compute.internal systemd-entrypoint[28834]: WARNING: Please consider reporting this to the maintainers of io.protostuff.runtime.PolymorphicThrowableSchema
Jul 18 20:09:20 ip-10-0-2-170.us-west-1.compute.internal systemd-entrypoint[28834]: WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
Jul 18 20:09:20 ip-10-0-2-170.us-west-1.compute.internal systemd-entrypoint[28834]: WARNING: All illegal access operations will be denied in a future release
Jul 18 20:09:26 ip-10-0-2-170.us-west-1.compute.internal systemd[1]: Started Wazuh-indexer.
-- Subject: Unit wazuh-indexer.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit wazuh-indexer.service has finished starting up.
--
-- The start-up result is done.

[alberpilot]

Duplicated: #1749 (previously https://github.com/wazuh/wazuh/issues/12945)