例外発生
Connection refused - {:params=>{:wt=>:ruby, :q=>"bname:misao AND post_id:2505598.0", :rows=>1}, :method=>:get, :query=>"wt=ruby&q=bname%3Amisao+AND+post_id%3A2505598.0&rows=1", :path=>"select", :uri=>#<URI::HTTP:0x000000160c4f98 URL:http://10.12.0.51:8984/solr/select?wt=ruby&q=bname%3Amisao+AND+post_id%3A2505598.0&rows=1>, :open_timeout=>120, :read_timeout=>120, :retry_503=>nil, :retry_after_limit=>nil}
/sw/rubygems/gems/gems/rsolr-1.0.13/lib/rsolr/connection.rb:19:in `rescue in execute'
/sw/rubygems/gems/gems/rsolr-1.0.13/lib/rsolr/connection.rb:14:in `execute'
/sw/rubygems/gems/gems/rsolr-1.0.13/lib/rsolr/client.rb:182:in `execute'
/sw/rubygems/gems/gems/rsolr-1.0.13/lib/rsolr/client.rb:176:in `send_and_receive'
(eval):2:in `get'
/var/www/cgi-bin/swlog.cgi:622:in `q_solr_post'
/var/www/cgi-bin/swlog.cgi:1171:in `main'
/var/www/cgi-bin/swlog.cgi:1217:in `<main>'