JSF 2.3 Websockets throw a NullPointerException when using PrimeFaces MenuItem with ajax=true
问题 I get a NullPointerException when navigating on a PrimeFaces menu item with ajax = true when JSF 2.3 websockets are present in the pages. Below is the exception: java.lang.NullPointerException at com.sun.faces.push.WebsocketFacesListener.processEvent(WebsocketFacesListener.java:100) at javax.faces.event.SystemEvent.processListener(SystemEvent.java:123) at javax.faces.event.ComponentSystemEvent.processListener(ComponentSystemEvent.java:110) at com.sun.faces.application.applicationimpl.Events