bin/check-es-heap.rb in sensu-plugins-elasticsearch-0.5.3 vs bin/check-es-heap.rb in sensu-plugins-elasticsearch-1.0.0

@@ -112,9 +112,11 @@
     JSON.parse(r.get)
   rescue Errno::ECONNREFUSED
     warning 'Connection refused'
   rescue RestClient::RequestTimeout
     warning 'Connection timed out'
+  rescue RestClient::ServiceUnavailable
+    warning 'Service is unavailable'
   rescue JSON::ParserError
     warning 'Elasticsearch API returned invalid JSON'
   end
 
   def acquire_heap_data(return_max = false)