I was a single-node installation cloudfoundry occur when thefollowing error , can anyone help me solve

ERROR: Running exception handlers
[Thu, 01 Nov 2012 03:52:34 +0000] ERROR: Exception handlers complete
[Thu, 01 Nov 2012 03:52:34 +0000] FATAL: Stacktrace dumped to / var / chef / cache / chef-stacktrace.out
[Thu, 01 Nov 2012 03:52:34 +0000] FATAL: Net :: HTTPServerException: remote_file [/
------ Solution --------------------------------------------
network problems , a lot needs to go download agent , not easy to use recent proxy
------ Solution --------------------------- -----------------
good time to try to take advantage of the network , such as at night