lib/ruboty/slack_rtm/client.rb in ruboty-slack_rtm-2.5.0 vs lib/ruboty/slack_rtm/client.rb in ruboty-slack_rtm-2.5.1

@@ -50,12 +50,15 @@
       def create_client(url)
         WebSocket::Client::Simple.connect(url, verify_mode: OpenSSL::SSL::VERIFY_PEER).tap do |client|
           client.on(:error) do |err|
             Ruboty.logger.error("#{err.class}: #{err.message}\n#{err.backtrace.join("\n")}")
           end
+          queue = @queue
           client.on(:close) do
             Ruboty.logger.info('Disconnected')
-            @queue.enq(CONNECTION_CLOSED)
+            # XXX: This block is called via BasicObject#instance_exec from
+            # EventEmitter, so `@queue` isn't visible here.
+            queue.enq(CONNECTION_CLOSED)
           end
         end
       end
 
       def keep_connection