worker.rb in rocketjob-2.0.0.rc3

- old
+ new

@@ -43,11 +43,11 @@
 
     # When this worker process was started
     key :started_at,         Time
 
     # The heartbeat information for this worker
-    one :heartbeat,          class_name: 'RocketJob::Heartbeat'
+    has_one :heartbeat,      class_name: 'RocketJob::Heartbeat'
 
     # Current state
     #   Internal use only. Do not set this field directly
     key :state,              Symbol, default: :starting
 
@@ -194,10 +194,10 @@
     # - The worker process has died
     # - The worker process is "hanging"
     # - The worker is no longer able to communicate with the MongoDB Server
     def zombie?(missed = 4)
       return false unless running?
-      return true if heartbeat.updated_at.nil?
+      return true if heartbeat.nil? || heartbeat.updated_at.nil?
       dead_seconds = Config.instance.heartbeat_seconds * missed
       (Time.now - heartbeat.updated_at) >= dead_seconds
     end
 
     # On MRI the 'concurrent-ruby-ext' gem may not be loaded