An attempt to serialize a session object has failed. All sessions in the web application are lost. (context root = aa....aa, attribute name = bb....bb)

aa....aa: Context root name
bb....bb: Attribute name

Description

An attempt to serialize the session object has failed.

All sessions in the Web application will be lost.

Action

Check the contents of the stack trace of message KDJE39167-E output in the Web servlet log, and then take action for the class responsible for the occurrence of the exception.