NullPointerException in
UIComponentBase.restoreDeltaSystemEventListenerClassMap() when UIViewRoot
subscribed to PostAddToViewEvent
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Key: MYFACES-3119
URL: https://issues.apache.org/jira/browse/MYFACES-3119
Project: MyFaces Core
Issue Type: Bug
Components: General
Affects Versions: 2.0.5
Reporter: Matt Benson
As reported in MYFACES-2466 (whose summary I copied here), I am encountering
the NPE on the access of {{holderList}} in what is currently line 1917 of
{{UIComponentBase}} whenever I use a {{ComponentSystemEventListener}} on
{{UIViewRoot}}. Specifically I am subscribing to {{PreRenderViewEvent}} and
the problem occurs restoring the view regardless of whether I unsubscribe the
listener e.g. after {{RENDER_RESPONSE}}.
More information:
{{_systemEventListenerClassMap}} is {{null}} when the method is called, thus
the map is reinstantiated so of course the value looked up and assigned to
{{holderList}} is {{null}}.
Now I have to go use Mojarra until this is fixed. :(
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