Selectbox de-serialization fails while restoring session

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Normal
    • 6.0.1
    • Affects Version/s: 6.0.0
    • Component/s: Components
    • None
    • None

      If we display a window that contains a Selectbox component, and if the WebServer is shutdown and restarted we get a de-serialization error on catalina.log
      The error appears to come from Selectbox readObject() method.
      The stack trace is:

      SEVERE: Exception loading sessions from persistent storage
      java.lang.NullPointerException
      at org.zkoss.zk.ui.event.Events.postEvent(Events.java:383)
      at org.zkoss.zk.ui.event.Events.postEvent(Events.java:432)
      at org.zkoss.zk.ui.event.Events.postEvent(Events.java:366)
      at org.zkoss.zul.Selectbox.postOnInitRender(Selectbox.java:317)
      at org.zkoss.zul.Selectbox.readObject(Selectbox.java:476)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

      This has been tried on ZK6 release as well as on the ZK6 freshly.
      In the older release ZK 5.0.10 we did not get this error.

            Assignee:
            jumperchen
            Reporter:
            darius
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              Created:
              Updated:
              Resolved: