SUMMARY:
This is a 'how to' technote that impacts Strategy Web after an upgrade from 9.x to 9.x on Tomcat. A resolution is listed on the technote.
SYMPTOM:
After upgrading Strategy Web from 9.x to 9.x on Tomcat, when accessing the summary page the following occurs:

CAUSE:
Lingering caches from the previous versions stored in the Tomcat (JSP Application Server caches) is causing the issue. These caches are not cleared when undeploying or redeploying a war file.
ACTION:
Clear the JSP Application Server caches. JSP application servers will also have their own application level caches. The location of these cache files varies based on the OS version of the web server machine and the application server brand.
E.g. Apache Tomcat will have a cache folder under:
<tomcat home>/work/Catalina/<web_server_name>/
To purge the caches, simply delete the folder with the Strategy Web application name under that folder.
Note: For other JSP application server brands refer to the 3rd party vendor for more information on their location.
For other Web Servers please refer to KB31703: Users receive a `Server Application Unavailable` error and are unable to locate the ASP.NET user when trying to run MicrosStrategy 9.x