Symptom:
After an activity performed the OLAP Connection in the CMC is failing:

Environment:
BOBJS / Data Services
Solution:
- Perform a Tomcat Clean cache:
- Navigate to usr/sap/SID/sap_bobj/
- Stop the tomcat by using the command: ./tomcatshutdown.sh
- Navigate to tomcat/work folder
- Rename the localhost directory
- Navigate to usr/sap/SID/sap_bobj/ and start the tomcat by using the command: ./tomcatstartup.sh
- Wait until the cache is re-created.
- Login to the CMC and verify the OLAP Connection section.