After patching iXp Server with an upgrade fix, users are unable to open iXp GUI on their PC/Workstation using the Desktop shortcut. When trying to open iXp GUI, we get "Error:version mismatch:220.127.116.11xxx:18.104.22.168xxx:".
CA Workload Automation iXp 11.3.5 on all supported platforms.
The "Error:version mismatch:11.3.5.<new version>:11.3.5.<old version>:" simply suggests that the Java Web Start has cached 11.3.5.<old version> version application but the iXp Server is now at 11.3.5.<new version>.
To fix this, you need to clear the Java Web Start cache and relaunch iXp GUI.
Execute the following commands on the PC/Workstation you are launching iXp GUI from: