Whoa, reason is actually an Exception. Didn't know that.

Changes.md

@@ -5,7 +5,7 @@
   Sidekiq process will exit immediately.  This is to help prevent
   "stuck" Sidekiq processes which are running but don't appear to
   be doing any work. [#1194]
-- Sidekiq's testing framework is now dynamic.  You can choose between
+- Sidekiq's testing behavior is now dynamic.  You can choose between
   `inline` and `fake` behavior in your tests. [#1193]
 - The Retries table has a new column for the error message.
 - Sidekiq.default\_worker\_options allows you to configure default

lib/sidekiq/exception_handler.rb

@@ -1,8 +1,8 @@
 module Sidekiq
   module ExceptionHandler
 
-    def handle_exception(ex, ctxHash)
-      Sidekiq.logger.warn ctxHash
+    def handle_exception(ex, ctxHash={})
+      Sidekiq.logger.warn(ctxHash) if !ctxHash.empty?
       Sidekiq.logger.warn ex
       Sidekiq.logger.warn ex.backtrace.join("\n")
       # This list of services is getting a bit ridiculous.

lib/sidekiq/launcher.rb

@@ -27,13 +27,13 @@ module Sidekiq
 
     def actor_died(actor, reason)
       return if @done
-      Sidekiq.logger.warn("Sidekiq died: #{reason}")
-      Sidekiq.logger.warn("Cannot recover, process exiting")
+      Sidekiq.logger.warn("Sidekiq died due to the following error, cannot recover, process exiting")
+      handle_exception(reason)
       exit(1)
     end
 
     def run
-      watchdog('Launcher#stop') do
+      watchdog('Launcher#run') do
         manager.async.start
         poller.async.poll(true)
       end