This is not a safe thing to do, in general, because the ObjectInputStream may contain objects after the KeycloakPrincipal that are unrelated to Keycloak, and the ...

A Critical problem with some reports during a try to read existing jasper print: Caused by: java.lang.NullPointerException: null at net.sf.jasperreports.engine.fill ...

Community driven content discussing all aspects of software development from DevOps to design patterns. In this Java serialization example, we will use both the ObjectOutputStream and the ...