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Developer Studio's Test Connection fails with a generic "too long" error when connecting to a cloud development database for the first time, even though the same credentials connect successfully and quickly through a separate SQL tool like SQL Developer.

Answer

Two things worth checking beyond DNS/hosts-file causes: disable a separate always-on VPN client (like Global Protect) if one is running alongside whatever VPN you're using to reach the environment — having two VPN clients active can specifically block Developer Studio's first-time connection attempt even when other tools connect fine; and make sure the database password was copied using the Build Place page's dedicated copy button rather than a manual Ctrl+C selection, since a manually-selected copy has been known to silently include extra characters that break the connection. See also DNS/hosts-file causes of the same "too long" error.

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