Error in PostgreSQL data source discovery with HTTP 504 error

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Summary

The user is facing a critical issue with the Discovery of a PostgreSQL data source, receiving an HTTP 504 error. The warning about JAXB fallback is also mentioned.


Question

Hello, I am facing a critical problem in the Discovery of a PostgreSQL data source, always returning the error An unknown error occurred. (HTTP 504).
Has anyone gone through this? In the discover POD that is created, this warning is displayed at the time of Timeout:
WARN c.a.l.CommonsLog(warn):113 - JAXB is unavailable. Will fallback to SDK implementation which may be less performant. If you are using Java 9+, you will need to include javax.xml.bind:jaxb-api as a dependency.

The Pod continues running, but within 30 seconds the error message appears in the web app.


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["postgreSQL-data-source", "http-504-error", "discovery", "timeout", "JAXB", "java-9", "dependency"]