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Thomas Andraschko commented on MYFACES-4611: -------------------------------------------- ViewPooling is still disabled per default, only CACHE_EL_EXPRESSIONS default changed but you still need to enable viewpooling > NullPointerException in ViewPoolProcessor > ----------------------------------------- > > Key: MYFACES-4611 > URL: https://issues.apache.org/jira/browse/MYFACES-4611 > Project: MyFaces Core > Issue Type: Bug > Components: General > Affects Versions: 2.2.15, 2.3.10, 3.0.2, 2.3-next-M8, 4.0.1 > Reporter: Paul Nicolucci > Assignee: Paul Nicolucci > Priority: Trivial > > If a ViewExpiredException is handled by a Custom ExceptionHandler which > performs some implicit navigation the following NPE can occur: > > java.lang.NullPointerException > at > org.apache.myfaces.view.facelets.ViewPoolProcessor.isViewPoolEnabledForThisView(ViewPoolProcessor.java:236) > at > org.apache.myfaces.application.NavigationHandlerImpl.handleNavigation(NavigationHandlerImpl.java:324) > at > org.apache.myfaces.application.NavigationHandlerImpl.handleNavigation(NavigationHandlerImpl.java:117) > at > ....ViewExpiredExceptionExceptionHandler.handle(ViewExpiredExceptionExceptionHandler.java:45) -- This message was sent by Atlassian Jira (v8.20.10#820010)