"The connection closed unexpectedly" or "Forwarded connection refused by server: Connect failed [Connection timed out]" Errors Encountered when Connecting to DIPC Server Via VNC
Last updated on MAY 30, 2018
Applies to:
Data Integration Platform Cloud - Version 17.3.5 and laterOracle Data Integrator Cloud Service - Version 17.1.3 and later
Information in this document applies to any platform.
While this article is geared toward DIPC, it would also apply to ODICS.
Symptoms
When following the documentation for Data Integration Platform Cloud (DIPC): Connecting to Oracle Data Integrator (ODI) Studio with Virtual Network Computing (VNC) Server:
Or, when attempting to set up VNC connection for Oracle Data Integrator Cloud Service (ODICS) and attempting to use VNC Viewer to access ODI Studio using Secure Shell (SSH) tunneling through putty for a new DIPC (or ODICS) instance, the connection fails.
The following errors might be seen.
- VNCVIEWER GUI Error:
The connection closed unexpectedly.
- PuTTy Event log Error:
Opening forwarded connection to <DIPC Public IP>:5901
Forwarded connection refused by server: Connect failed [Connection timed out]
Cause
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