Anyone know what this means?

[lnet: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed]
lnet:117:in `connect'
lnet:117:in `connect'
[lnet: NilClass is not a valid input stream. It must walk
like either a String, an IO, or a Source.]
C:/Ruby200/lib/ruby/2.0.0/rexml/source.rb:22:in `create_from'
C:/Ruby200/lib/ruby/2.0.0/rexml/parsers/baseparser.rb:127:in `stream='
[infomon: checking stats...]
[lnet: connection lost]
[lnet: waiting 297 seconds before trying to reconnect...]