[ https://issues.apache.org/jira/browse/ORCHESTRA-32?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Simon Kitching resolved ORCHESTRA-32. ------------------------------------- Resolution: Fixed Fix Version/s: 1.4 Fixed by r713702 > Hot-restart of Tomcat causes NullPointerException while deserializing saved > http-session > ---------------------------------------------------------------------------------------- > > Key: ORCHESTRA-32 > URL: https://issues.apache.org/jira/browse/ORCHESTRA-32 > Project: MyFaces Orchestra > Issue Type: Bug > Components: Conversation > Affects Versions: 1.2 > Reporter: Simon Kitching > Assignee: Simon Kitching > Fix For: 1.4 > > > Tomcat displays this message on restart: > SCHWERWIEGEND: Exception loading sessions from persistent storage > java.lang.NullPointerException > at > java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:881) > at > org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1445) > The problem is that the orchestra ConversationManager class has a readResolve > method that returns null, intending that the object just gets created "on > demand" later. However Tomcat tries to put the deserialized object into its > session - and null objects are not permitted in an HttpSession. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.