<p:poll> causes "ERROR: MAC did not verify!" in server startup log

Question

I need to use polling for alerts. Since I add

<h:outputText id="alertNotif" value="#{alertController.number}"  />
<p:poll interval="3" listener="#{alertController.incrementNbrAlert}" update="alertNotif" />

I got an infinity of ERROR: MAC did not verify! when I start the server.

How is this caused and how can I solve it?

Answer 1

This question has its time, but it may help another user to find a solution.

I had the same problem, my application did not have a problem until I integrated those lines of PrimeFaces, then my console jumped ERROR: MAC did not verify!, Investigate and it turned out that it was due to some kind of my project that was involved did not implement Serializable