[richfaces-issues] [JBoss JIRA] (RF-11806) UIDataAdaptor breaks with Spring Webflow 2.3 when rendering pages for existing flows

[Marius Bogoevici (Created) (JIRA)]

UIDataAdaptor breaks with Spring Webflow 2.3 when rendering pages for existing flows
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                 Key: RF-11806
                 URL: https://issues.jboss.org/browse/RF-11806
             Project: RichFaces
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: component-tables
    Affects Versions: 4.1.0.CR2
            Reporter: Marius Bogoevici
            Priority: Critical


The fix introduced for 4.1.0.CR1 by adding event registration to the constructor:

{code}
public UIDataAdaptor() {
        super();
        getFacesContext().getViewRoot().subscribeToViewEvent(PreRenderViewEvent.class, this);
    }
{code}

breaks when Spring Webflow restores the view in the middle of the flow with a NPE. E.g. when a data table is constructed, the viewRoot is not yet set on the current thread, which causes the exception above. 



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