Facing connection issues between DataSpell and a PostgreSQL database.

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Alexisss0022
Created

I'm encountering a puzzling challenge while trying to establish a connection between DataSpell and a PostgreSQL database. Despite following the standard procedures for setup, I keep running into an error that's hindering my progress.

Has anyone else faced similar connection issues with DataSpell and PostgreSQL? Could there be specific settings or configurations within DataSpell that I might have overlooked, leading to this problem? Additionally, are there any known bugs or limitations in DataSpell that could be causing these connection hurdles?

Moreover, I'm curious if there's a way to enable more detailed logging or diagnostic information in DataSpell to assist in troubleshooting this issue further.

I'd greatly appreciate any insights or suggestions from the community to help resolve this connection puzzle. Thank you all in advance for your assistance and expertise!

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Daniil Bogdanov
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Hello,
Could be related to this problem: https://youtrack.jetbrains.com/issue/DBE-20539/new-version-almost-can-not-connect-to-Postgresql-server-14.11-which-previous-works-fine.
Please check the workaround from the last comment, and if it doesn't help, please upload DataSpell logs (Help | Collect Logs and Diagnostic Data) to our file hosting and tell us the upload ID: https://uploads.services.jetbrains.com/
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Jaydenen65
Created

Connection issues between DataSpell and PostgreSQL can be frustrating! Double-checking your firewall  settings and database configurations might help. After resolving that, a fun break with sounds well-deserved!

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Brednuance
Created

Connection issues between DataSpell and PostgreSQL can arise due to multiple factors, including authentication settings, SSL configurations, and firewall restrictions.

A few things you might want to check:

  1. JDBC URL & Credentials – Ensure that your connection string is correctly formatted and includes the required parameters. Sometimes, specifying the correct driver version helps.
  2. PostgreSQL Authentication – If you’re using password authentication, confirm that your pg_hba.conf file allows connections from your client machine.
  3. SSL & Certificates – If your database requires SSL, make sure you have the proper certificates and that your connection settings match PostgreSQL’s SSL requirements.
  4. Firewall & Network Issues – Verify that the PostgreSQL port (default: 5432) is open and accessible from your machine. If you’re on a VPN, it might block access.
  5. DataGrip Compatibility – Since DataSpell shares some components with DataGrip, checking if the connection works in DataGrip could help isolate the issue.
  6. Driver Issues – Updating your PostgreSQL JDBC driver within DataSpell might resolve compatibility problems.
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Daniil Bogdanov
Created
Hi,
Please try upgrading IDE to the latest version, disabling all non-bundled plugins (**Settings | Plugins**, click the cog icon -> Disable All Downloaded Plugins) and check if the problem persists.
If the problem remains unresolved, we would like to investigate it properly. Please create an issue on YouTrack (https://youtrack.jetbrains.com/newIssue) regarding this problem. Attach relevant logs (Help | Collect Logs and Diagnostic Data), screenshots, precise steps for reproducing the issue and a runnable code/project sample if needed.
For urgent inquiries, please use Help | Contact Support in the IDE.
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Offtahir44
Created

Make sure PostgreSQL is set to accept external connections (listen_addresses, pg_hba.conf), and verify credentials, host, and port in DataSpell. Also, ensure the JDBC driver is properly configured and SSL settings match your PostgreSQL setup.

To debug further, go to Help > Diagnostic Tools > Debug Log Settings in DataSpell and enable logging for #com.intellij.database. Check logs via Help > Show Log in Explorer/Finder.

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