Support Article

Unable to access application after update



Unable to access application post upgrade of the servers and PRPC version.

Error Messages

Error 503: PegaRules server not available.

.UnknownLocalException: nested exception is: Error determining the mode of PRPC install from database.

Steps to Reproduce

Start the application server.

Root Cause

Wrong version of OJDBC driver (Ojdbc6) was used to connect to database.


With Java 8 it is advised to use ojdbc7.jar in the support guide.

Published February 28, 2017 - Updated May 22, 2017

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