UIM - CABI Jasper Report Server Crashing

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

This technical document provides a solution for an issue where the CABI Jasper Report Server crashes frequently. 

Symptoms of this issue: 

1. Regular crashes of the Jasper Report Server, leading to CABI content being unavailable in the UIM Operator Console. 

2. Jasper Report Sever log file may display the below errors before the JRS shutdown command is triggered: 
(path: CA Business Intelligence\apache-tomcat\webapps\jasperserver-pro\WEB-INF\logs\jasperserver.log)

Caused by: javax.servlet.ServletException: java.lang.IllegalStateException: Cannot create a session after the response has been committed
    at org.apache.jsp.WEB_002dINF.jsp.modules.about.about_jsp._jspService(about_jsp.java:320)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:71)

ERROR EhCacheImpl,localhost-startStop-2:556 -  -- JasperServer:  EhCacheImpl shutdown called.  This normal shutdown operation. 
ERROR EhCacheImpl,localhost-startStop-2:559 -  -- JasperServer:  EhCacheImpl calling cleanerTimer.cancel().  This normal shutdown operation. 
ERROR GenericExceptionMapper,https-jsse-nio-8443-exec-5:51 - Unexpected error occurs java.lang.NullPointerException

Environment

- UIM 20.3 / 20.3.1
- CABI Jasper Report Server 7.1.1
- Tomcat version: apache-tomcat-8.5.59

Resolution

Set both JRE_HOME and JAVA_HOME server variables pointing to the jre provided with Broadcom's CABI Jasper Report Server installation: 

/opt/CA/SharedComponents/CABI/jre