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Troubleshooting: "[Servlet Error]-[Failed to load listener: WebAppLifeCycleListenerBoot]” at startup (WebSphere 6.1)

Updated on October 2, 2015


You are installing Process Commander Version 5.5 on WebSphere Application Server Version 6.1 running on the RedHat Enterprise LINUX v5.2 operating system. When deploying the Process Commander core application component EAR file (prpc_ws61.ear) and the WAR files for the Database Utilities application (prdbutil.war) and the System Management application (prsysmgmt.war), you encounter the following error message:

[Servlet Error]-[Failed to load listener: com.pega.pegarules.internal.web.servlet.WebAppLifeCycleListenerBoot]: java.lang.ClassNotFoundException: com.pega.pegarules.internal.web.servlet.WebAppLifeCycleListenerBoot

Follow the suggested approach to restore the overwritten file that causes this problem.


When the Process Command EAR was repackaged, the file located in the directory path <application_server_host>webapps\prweb\META-INF was overwritten, causing the file to become incomplete:

Manifest-Version: 1.0

Created-By: 1.4.2_14 (Sun Microsystems Inc.)

Here is an example of a complete file:

Manifest-Version: 1.0

Ant-Version: Apache Ant 1.6.5

Created-By: 1.5.0_12-b04 (Sun Microsystems Inc.)

Build-For: v55_relcand_0068

Build-Date: 2009-05-22 16.25 EDT

Build-Target: J2EE 1.4 Pega-Assembly-Date: 2009-05-22 16.25 EDT

Class-Path: APP-INF/lib/prbootstrap.jar APP-INF/lib/jsr94-1.0.jar APP- INF/lib/prdbcp.jar APP-INF/lib/prderby- APP-INF/lib/prder byclient-



To recover the file webapps\prweb\META-INF\, complete the following steps:

  1. Replace the file in the EAR that is failing with the from the EAR file provided by Process Commander, prpc_ws61.ear.
  2. Use the command jar -cvfM to re-archive the EAR file to ensure that the file does not lose its contents.


Related Topics

PDF documentPegaRULES Process Commander Release V5.5 SP1, Installing on WebSphere 6.1 Application Servers

Java Reference

wwwjar-The Java Archive Tool

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