lib/rocket_job/server.rb in rocketjob-3.0.0 vs lib/rocket_job/server.rb in rocketjob-3.0.1

@@ -269,10 +269,10 @@
     rescue Exception => exc
       logger.error('RocketJob::Server is stopping due to an exception', exc)
     ensure
       # Logs the backtrace for each running worker
       if SemanticLogger::VERSION.to_i >= 4
-        workers.each { |worker| logger.backtrace(thread: worker.thread) }
+        workers.each { |worker| logger.backtrace(thread: worker.thread) if worker.thread && worker.alive? }
       end
     end
 
     def run_workers
       stagger = true