HTTP ERROR 500 when accessing web interface after upgrade to Sentinel 8.1

After upgrading to Sentinel 8.1 the following error occurs when trying to access Sentinel Web Interface. 

HTTP ERROR 500

Problem accessing /sentinel/. Reason:

    Server Error

Caused by:

org.apache.jasper.JasperException: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0

        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:440)

        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)

        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:845)

        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584)

        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)

        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)

        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)

        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)

        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)

Follow these steps to resolve this issue.

1. go to /etc/opt/novell/sentinel/config/

2. make a backup of the ui-configuration.properties file

E.g. cp ui-configuration.properties ui-configuration.propertiesOLD

3. edit the ui-configuration.properties file by adding the following lines.

webui.productName=Sentinel

webui.CompanyName=NetIQ

4. save the file and insure the owner and permissions have not changed. 

E.g. -rw------- 1 novell novell 

The root cause of the problem is a change to the include.jsp file that did not account for the following two properties that don't exist in the file /etc/opt/novell/sentinel/config/ui-configuration.properties for original clean installs of 7.0.3.x or earlier:

E.g. 

webui.productName=Sentinel

webui.CompanyName=NetIQ