如何防止意外数据导致nodejs服务器的致命崩溃?

Despite my extensive experience with nginx, apache, jboss etc. servers, I am very new to nodejs server (It took my interest for socket.io features). I find it strange that unexpected data like say object.MyProperty (which is undefined) etc - which are trivial in my opinion, cause the entire server to crash (it doesnt crash for that client request, but the entire server crashes!) and you need to restart the server. Despite my extensive experience with nginx, apa