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SQL*Developer Connection Schema Service SFTP Server Gets "Unable to connect timeout socket is not established" (Doc ID 2476869.1)

Last updated on APRIL 07, 2021

Applies to:

Oracle SQL Developer - Version 4.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.


On SQL*Developer

When attempting to connect to Schema Service with the SFTP user to upload data
the following error occurs.

Unable to connect timeout socket is not established

The issue can be reproduced at will with the following steps:
1.In SQL Developer create a new Connection using for Database a valid user that have been confirmed that access APEX
   Enter in URL https://<SERVICE>-<DOMAIN>.db.<REGION>
2.In SFTP Section enter the Service SFTP username : <USERNAME>
  hostname :

  The SFTP host can be found on the My Services > Overview > Exports page.

3. Click Test SFTP


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