When user run the following command line to sync Apollo essential's Catalog with Apollo Adv/pro, the command line will fail with error "no main manifest attribute, in "IWSUpdateUtil.jar".
CR-D has been requested for this issue.
The workaround is to use IWSUpdateUtil.jar from APOLLO 2016.0
You can also download it from the following link:
https://support.hexagongeospatial.com/Tutorials/data/IWSUpdateUtil.zip