Exception loading sessions from persistent storage java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException

IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException:com.test java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.test

SEVERE: Exception loading sessions from persistent storage
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.test

Cause:

You get this error on restarting tomcat. This is caused by classes that are not serializable. Tomcat tries to serialize objects on shutdown and deserialize on a restart.

Solution:

Make your classes serializable or

Turn off this feature in Tomcat by adding this in your webapp's context.xml

<Manager pathname=""></Manager>