ViewExpiredException after upgrade to jsf2
问题 We recently upgraded a major platform from jsf 1.2 to 2.0. After upgrading we're getting several ViewExpiredException errors each hour. From reading up on the topic it seems that this is an expected exception when sessions expire, however we've reviewed the access logs and we are getting these exceptions even when requests are only 5 minutes apart in some cases. My questions are as follows: 1) Other than session expiration, what other conditions might cause ViewExpiredException? 2) The