"The connection closed unexpectedly" or "Forwarded connection refused by server: Connect failed [Connection timed out]" Errors Encountered when Attempting to Connect to DIPC Studio Via VNC
(Doc ID 2398605.1)
Last updated on JULY 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.
Symptoms
There is a failure to connect to ODI Studio ODICS or DIPC using VNC Viewer.
While this article is geared toward DIPC, it would also apply to ODICS.
When attempting to access the Data Integration Platform Cloud (DIPC) or Oracle Data Integrator Cloud Service (ODICS) server or Studio using VNC Viewer, the connection cannot be made.
PuTTy can connect, and the VNC Server has been started in the virtual machine using the 'opc' user.
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]
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| Perform the following steps on the DIPC (or ODICS) server. |
| Perform the following steps on the system from which the Putty and VNC Viewer connections are run. |
| References |