lib/switchman/standard_error.rb in switchman-3.0.14 vs lib/switchman/standard_error.rb in switchman-3.0.15

@@ -4,16 +4,17 @@
   module StandardError
     def initialize(*args)
       super
       # These seem to get themselves into a bad state if we try to lookup shards while processing
       return if is_a?(IO::EAGAINWaitReadable)
+
       return if Thread.current[:switchman_error_handler]
 
       begin
         Thread.current[:switchman_error_handler] = true
 
         begin
-          @active_shards = Shard.active_shards if defined?(Shard)
+          @active_shards ||= Shard.active_shards if defined?(Shard)
         rescue
           # If we hit an error really early in boot, activerecord may not be initialized yet
         end
       ensure
         Thread.current[:switchman_error_handler] = nil