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Unable to start the server post installation



Unable to start the server post installation.

Error Messages

[138 UTC] 000000ca PRBootstrap pega.pegarules.internal.bootstrap.PRBootstrap  Error initializing PRAppLoader
java.lang.ClassNotFoundException: pega.pegarules.internal.bootstrap.phase2.PRBootstrapImpl
at pega.pegarules.internal.bootstrap.PRMiniLoader.loadClass(
at java.lang.ClassLoader.loadClass(
at pega.pegarules.internal.bootstrap.PRBootstrap.checkForStartup(
at pega.pegarules.internal.web.servlet.WebStandardBoot.init(
at javax.servlet.GenericServlet.init(


Steps to Reproduce




Root Cause

An issue in the custom application code or rules where the JDBC driver is incompatible.


Perform the following local-change: 
Use ojdbc7 instead of using ojdbc8.


Published August 15, 2019 - Updated December 2, 2021

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