421 Service Not Available, Remote Server Has Closed Connection Error in Oracle API Gateway FTP Processing
(Doc ID 2326219.1)
Last updated on APRIL 12, 2019
Applies to:Oracle API Gateway - Version 22.214.171.124.0 and later
Information in this document applies to any platform.
Using Oracle API Gateway to host FTP, SFTP and FTPS listeners.
The below error is observed while connecting to these listeners using an OAG user:
Connected to <IP ADDRESS> (<IP ADDRESS>).
220 Service ready for new user.
Name (<IP ADDRESS>:oaginstall): <USERNAME>
331 User name okay, need password for <USERNAME>.
421 Service not available, remote server has closed connection
No control connection for command: Success
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