I get the following message View state couldn’t be restored, reload page on my JSP (with JSF and a4j tags ) , I do not always get this message but it does appear , no exception is written to the log file when this message appears I have added the session-timeout tag to my web.xml file, its value is set to 35 minutes . Can anyone please suggest how to get rid of this issue as it is quite annoying on the live code thank you.
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