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Support Article

Error occurs on deploying a WAR file and starting the JVM



Error occurs on deploying a Web Archive (WAR) file and starting the JVM, post upgrade to Pega 7.4.

Error Messages

etier.impl.EngineStartup) ERROR - PegaRULES initialization failed. Server: your_server PRNodeImpl init failed Startup Task: [LOAD_REST_SERVICE_CACHE] has failed after retries or with error javax/xml/parsers/DocumentBuilderFactory.setFeature(Ljava/lang/String;Z)V

at org.opensaml.xml.parse.BasicParserPool.setFeatures( ~[xmltooling-jar:?]

at org.opensaml.xml.parse.BasicParserPool.initializePool( ~[xmltooling-jar:?]

at org.opensaml.xml.parse.BasicParserPool.<init>( ~[xmltooling-jar:?]

at org.opensaml.xml.XMLConfigurator.<init>( ~[xmltooling-jar:?]

Steps to Reproduce

  1. Revert the database
  2. Restart the upgrade

Root Cause

A defect or configuration issue in the operating environment. A third party JAR file was loaded to the customer codeset.


Make the following change to the operating environment:

Delete the following from <rule_schema>.PR_ENGINECLASSES:

  • pzjar (such as, xerces-2.4.0.jar)
  • pzcodeset='customer' 


Published January 30, 2019 - Updated December 2, 2021

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