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Support Article

Pega 7.2 fails to start after upgrade from Pega 7.1.6



System was upgraded from Pega 7.1.6 to Pega 7.2. One of the four nodes fails to restart, and exceptions occur. WebSphere and Oracle was used.

Error Messages

**Date and time**,533 [  server.startup : 1] [          ] [                    ] [                    ] (ervlet.WebAppLifeCycleListener) ERROR   - Exception during
startup processing nested exception is: Error determining the mode
of PRPC install from database.
   at com.pega.pegarules.deploy.internal.archive.ParUtilsImpl.setStageDirectory(
   at com.pega.pegarules.session.internal.engineinterface.etier.impl.EngineStartup.initEngine(

Steps to Reproduce

Start the server after upgrading from Pega 7.1.6 to Pega 7.2.

Root Cause

A defect in Pegasystems’ code or rules:
This issue is specific to Oracle database.


Apply HFix-28544.

Published July 27, 2016 - Updated October 8, 2020

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