UICommand.broadcast() has thrown a NullPointerException

We found this prefix in 2 webpages.
MapChildren (2)Typical messages (1)TraceDetailed Map
  1. java.lang.NullPointerException
    1.   at javax.faces.component.UICommand.broadcast()
  1. 1.8 RC2 InputFile Upload no longer working

    First:9 years ago
    Last:2 years ago
    Author:bolo
  2. Server Initiated Rendering in 1.6

    First:11 years ago
    Last:2 years ago
    Author:akselb
MessageNumber of crashes
<No message>2
  1. java.lang.NullPointerException
    1.   at javax.faces.component.UICommand.broadcast()