+ handle exceptions in one place

examples/node/client/game.js

@@ -35,7 +35,7 @@ module.exports = class Game {
       let answer = data.answer;
       errorCount++;
       let time = new Date().toLocaleString();
-      $('#errors').prepend('<tr class="danger"><td>'+time+'</td><td>'+answer.component+': '+answer.error+' - '+answer.event+'</td></tr>');
+      $('#errors').prepend('<tr class="danger"><td>'+time+'</td><td>'+answer.error+' - '+answer.event+'</td></tr>');
     });
 
     let processedEventsChart = new MonitorChart({

lib/sim/master.rb

@@ -10,3 +10,10 @@ class Master < Celluloid::SupervisionGroup
     supervise Net::PlayerServer, as: :player_server, args: [socket_file, {start: true}]
   end
 end
+
+Celluloid.exception_handler do |exception|
+  event = {event: exception.backtrace.first, error: exception.message}
+  if monitor = Celluloid::Actor[:monitor]
+    monitor.async.add_error event
+  end
+end

lib/sim/queue/fire_worker.rb

@@ -23,21 +23,13 @@ def process event
         debug "process event #{event.inspect}"
         event.fire # later maybe retry
         monitor_processed event
-      rescue RuntimeError => e
-        monitor_error event, e
-        raise # or retry
       end
 
       def monitor_processed event
         event = {name: event.class.name}
         Actor[:monitor].async.add_event event
       end
 
-      def monitor_error event, error
-        event = {component: :fire_worker, event: event.class.name, error: error.message}
-        Actor[:monitor].async.add_error event
-      end
-
       def shutdown
         debug "shutdown fire worker"
       end