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https://issues.apache.org/jira/browse/MYFACES-3907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14072057#comment-14072057
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Leonardo Uribe commented on MYFACES-3907:
-----------------------------------------
Ok, now I get it. Before restore view phase, there is no UIViewRoot, so the
check is valid in that case. Thanks for your help.
> NullPointerException in ManagedBeanBuilder after server restart
> ---------------------------------------------------------------
>
> Key: MYFACES-3907
> URL: https://issues.apache.org/jira/browse/MYFACES-3907
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.2.4
> Reporter: Dennis Kieselhorst
> Assignee: Leonardo Uribe
> Fix For: 2.0.22, 2.1.16, 2.2.5
>
>
> After server restart we sometimes get a NullPointerException in
> ManagedBeanBuilder when resolving a managed bean property. This should be
> avoided.
> {noformat}
> java.lang.NullPointerException: null
> at
> org.apache.myfaces.config.ManagedBeanBuilder.getScope(ManagedBeanBuilder.java:560)
> at
> org.apache.myfaces.config.ManagedBeanBuilder.getNarrowestScope(ManagedBeanBuilder.java:464)
> at
> org.apache.myfaces.config.ManagedBeanBuilder.isInValidScope(ManagedBeanBuilder.java:435)
> at
> org.apache.myfaces.config.ManagedBeanBuilder.initializeProperties(ManagedBeanBuilder.java:319)
> at
> org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean(ManagedBeanBuilder.java:163)
> at
> org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.createManagedBean(ManagedBeanResolver.java:333)
> at
> org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.getValue(ManagedBeanResolver.java:296)
> at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:188)
> at
> org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:179)
> {noformat}
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