Yup. It's a pretty bad idea to log all errors from ajax calls, since some errors are expected. 403 and 404s, for example, should be handled relatively intellige

Yup. It's a pretty bad idea to log all errors from ajax calls, since some errors are expected. 403 and 404s, for example, should be handled relatively intelligently. Error-handling is a bitch, but you really need to do it thoughtfully for practically every remote call, similar to robust C code.