NavigationHandlerImpl throws NullpointerException if view is expired
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Key: MYFACES-3101
URL: https://issues.apache.org/jira/browse/MYFACES-3101
Project: MyFaces Core
Issue Type: Bug
Components: General
Affects Versions: 2.0.4
Reporter: Martin Stockhammer
I tried to use the NavigationHandler inside a Faces exception handler to deal
with ViewExpiredException as mentioned here:
http://www.nfjsone.com/blog/ed_burns/2009/09/dealing_gracefully_with_viewexpiredexception_in_jsf2.
The example does not work with myfaces, because
org.apache.myfaces.application.NavigationHandlerImpl throws a
NullpointerException while handleNavigation() is called.
The exception occurs in line 160: String viewId =
facesContext.getViewRoot().getViewId();
I think the cause is that the viewroot is not set anymore when the
ViewExpiredException is thrown.
The official API for NavigationHandler.handleNavigation tells, that the
NullpointerException is thrown only if the given facescontext is null.
NullPointerException - if context is null
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