PSEMHUB java.lang.NoClassDefFoundError
If you get a 500 Internal Server / java.lang.NoClassDefFoundError when visiting the PSEMHUB site on your PIA (http://server:port/PSEMHUB/hub) then try the following steps:
On the web server, remove the following directories:
- PSEMHUB/envmetadata/Scratchpad
- PSEMHUB/envmetadata/PersistentStorage
- PSEMHUB/envmetadata/transactions
Also, remove everything under the PSEMHUB/envmetadata/data directory but don't remove the directory itself.
Finally, restart the web server and try the URL again.
