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PCA - Oracle VM Upgrade Fails with "Communications link failure" (Doc ID 2622567.1)

Last updated on JULY 14, 2020

Applies to:

Private Cloud Appliance - Version 2.3.3 to 2.3.4 [Release 2.0]
Linux x86-64


On Oracle Private Cloud Appliance, when attempting to upgrade the rack, the upgrade fails during the Oracle VM Manager upgrade.

The following kind of errors get logged in /var/log/ovmm/ovmm-install-TIMESTAMP.log :

2019-11-17 10:40:42,548 INFO Upgrade Initialization Starting
2019-11-17 10:40:42,619 INFO Oracle Distributed Object Fabric (ODOF):
Copyright (C) 2007, 2016 Oracle. All rights reserved.
2019-11-17 10:40:42,619 INFO ODOF Version:
2019-11-17 10:40:42,619 INFO Initializing...
2019-11-17 10:40:42,785 ERROR Failed to connect to Database! Error: **
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.


 Upgrading the PCA to version 2.3.4


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