Support Article

Application server does not start



Application server does not start. User is getting an exception as below.

Error Messages

INFO: Using PRAppLoader implementation class: com.pega.pegarules.bootstrap.loader.PRAppLoader
May 26, 2017 12:00:24 PM com.pega.pegarules.internal.bootstrap.phase2.PRBootstrapImpl
19830421: PegaRULES signed jar files will be extracted to: C:\Tomcat7\System3\work\Catalina\localhost\prweb\extractedFiles
May 26, 2017 12:00:33 PM com.pega.pegarules.internal.bootstrap.phase2.PRBootstrapImpl
19830421: PegaRULES classes will be loaded from the database
May 26, 2017 12:00:34 PM com.pega.pegarules.internal.bootstrap.PRBootstrap
SEVERE: Error initializing PRAppLoader
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

Caused by: java.lang.Error: Unresolved compilation problem:
Resource leak: 'baseLoaderInstance' is never closed

May 26, 2017 12:00:34 PM com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega
SEVERE: Problem during method invocation (contextInitialized)
java.lang.RuntimeException: PRAppLoader was not properly initialized, unable to load class com.pega.pegarules.web.servlet.WebAppLifeCycleListener
at com.pega.pegarules.internal.bootstrap.PRBootstrap.getImplementationOf(

Steps to Reproduce

Try to start the application server.

Root Cause

A defect in Pegasystems’ code or rules.


Apply HFix-34856.
Description of Changes:
Regenerate the jars for prbootphase.
Additional Installation Instructions:
Restart server after applying hotfix.

Published May 31, 2017 - Updated June 12, 2017

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