I am using MyFaces1.1.5, tomahawk1.1.3, ajax4jsf1.1.1 and server is wls8.1 sp6. I am getting an exception on console when moving mouse on links on my home page. For some reason, it keeps refreshing itself on mouseover. It gets everything again whenever I move mouse over any of the link and then it throws this exception. The page is rendered correctly and working fine. But, I don't want it to refresh on mouser over and throw this exception on server console. can anyone help me?