Troubleshoot: WebSphere Commerce pages are not accessible after applying the fix pack
After installing the fix pack, you are unable to access WebSphere Commerce pages; an InvalidClassException error is logged.
Problem
After applying the WebSphere Commerce Fix Pack and restarting WebSphere Commerce, some WebSphere Commerce pages will not be accessible. The following error is displayed in the SystemErr.log file
java.io.InvalidClassException
This error can be caused by a mismatch between a class file in the WebSphere Commerce EAR file and a class file stored in the Dynacache. To resolve the problem, restart the application server (for example. server1) that is associated with WebSphere Commerce .
Related tasks
Install WebSphere Commerce fix packs
Uninstall WebSphere Commerce fix packs