Problems connecting Dremio v 4.2.1 with PostgreSQL running on AWS

Hello, guys!

I recently installed version 4.2.1 of Dremio on AWS using the existing version of the AWS Marketplace. When trying to connect to a PostgreSQL database I run into the error.

[source-management2] ERROR - Connection is not valid.
java.lang.NullPointerException: null
at com.dremio.exec.catalog.ManagedStoragePlugin.lambda$refreshState$6(
at java.util.concurrent.CompletableFuture$
at java.util.concurrent.ThreadPoolExecutor.runWorker(
at java.util.concurrent.ThreadPoolExecutor$

From what I saw there are already other people with the same problem(link below) and so I would like to know if this has already been solved and what is the way to try to solve it in my installation too! (7,2,KB)

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