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Pega does not start after restoring a database backup



After a database backup is restored to the database, Pega fails to start. The backup was obtained from a replication server.

Error Messages

2015-12-07 16:48:25,276 [server-name] [ ] [ ] ( internal.access.DatabaseImpl) INFO - Database version: Oracle Database 11g Enterprise Edition Release - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
2015-12-07 16:48:25,276 [server-name] [ ] [ ] ( internal.access.DatabaseImpl) INFO - Driver: Oracle JDBC driver
2015-12-07 16:48:25,276 [server-name] [ ] [ ] ( internal.access.DatabaseImpl) INFO - Driver version:
2015-12-07 16:48:25,447 [server-name] [ ] [ ] (ternal.dictionary.ClassMapImpl) INFO - Reading the class group definitions
2015-12-07 16:48:25,564 [server-name] [ ] [ ] (ternal.dictionary.ClassMapImpl) INFO - Read 56 class group definitions
2015-12-07 16:48:25,564 [server-name] [ ] [ ] (ternal.dictionary.ClassMapImpl) INFO - Reading the class definitions
java.lang.ArrayIndexOutOfBoundsException: -2096602210
2015-12-07 16:48:36,535 [server-name] [ ] [ ] ( etier.impl.EngineStartup) ERROR - PegaRULES initialization failed. Server: <server-name> PRNodeImpl init failed
at com.pega.pegarules.session.internal.mgmt.PREnvironment.getThreadAndInitialize(
at com.pega.pegarules.session.internal.PRSessionProviderImpl.getThreadAndInitialize(

Steps to Reproduce

1) Restore a database backup.
2) Start Pega application.

Root Cause

Issue is due to the corrupted record.


Run the following query to identify the corrupted record:

select * from pr4_base where pxObjClass = 'Rule-Obj-Class'

The issue is resolved when the corrupted file is deleted.


Published January 30, 2016 - Updated October 8, 2020

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