Last Share: 1 hour, 16 minutes, anyone know whats wrong?

[2013-06-24 07:06:23] Pool 0 slow/down or URL or credentials invalid
[2013-06-24 07:06:23] Pool 1 slow/down or URL or credentials invalid

{
"pools" : [
   {
      "url" : "http://stratum.bitcoin.cz:3333",
      "user" : "username",
      "pass" : "password"
   },
   {
      "url" : "http://stratum.bitcoin.cz:3333",
      "user" : "username",
      "pass" : "password"
   }
]