An attempt to deserialize 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 deserialize a session object has failed.

All sessions in the Web application will be lost.

Action

Check the contents of the stack trace of message KDJE39174-E output in the Web servlet log, and then take action for the class responsible for the occurrence of the exception.