SYMPTOM:
An Administrator sets up Websphere as per https://www2.microstrategy.com/producthelp/10.10/Library/WebHelp/Lang_1033/Content/setup_application_servers.htm?tocpath=Library%20Administration%7CInstalling%20and%20Configuring%20Library%7C_____3 to be able to use Strategy Library.
After the Strategy Library War file has been deployed in Websphere, the application cannot be started. When analyzing the SystemErr.log file, the next entry can be seen:
[6/25/18 21:38:41:563 BST] 0000008c SystemErr R com.ibm.ws.exception.RuntimeWarning: com.ibm.ws.webcontainer.exception.WebAppNotLoadedException: Failed to load webapp: Failed to load webapp: SRVE8111E: The application, StrategyLibrary, is trying to modify a cookie which matches a pattern in the restricted programmatic session cookies list [domain=*, name=JSESSIONID, path=/]
CAUSE:
By default, WebSphere Application server prohibits programmatic configuration of the JSESSIONID cookie which is used by Strategy to track the Application server session. More information can be found in:
https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.websphere.nd.multiplatform.doc/ae/usec_progcookieconfig.html
ACTION:
Remove the cookie from Security > Global security > Programmatic session cookie configuration in the WAS Admin Console. The global security page should look like the following:

KB441154