From 291a9334b69d1a6f2de913723fa6566bf89d1480 Mon Sep 17 00:00:00 2001
From: Tyler Brock <tyler.brock@gmail.com>
Date: Fri, 1 Jun 2012 14:08:26 -0400
Subject: [PATCH] RUBY-444

During a refresh Thread.current[:managers] has the potential to be nil.

This fix checks to make sure Thread.current[:managers] exists before
trying to access the managers hash.
---
 lib/mongo/repl_set_connection.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/mongo/repl_set_connection.rb b/lib/mongo/repl_set_connection.rb
index b795ac9..7af05ca 100644
--- a/lib/mongo/repl_set_connection.rb
+++ b/lib/mongo/repl_set_connection.rb
@@ -402,7 +402,7 @@ module Mongo
     end
 
     def get_socket_from_pool(pool_type)
-      if Thread.current[:managers][self] != @manager
+      if Thread.current[:managers] && Thread.current[:managers][self] != @manager
         Thread.current[:managers][self] = @manager
       end
 
@@ -426,7 +426,7 @@ module Mongo
     end
 
     def local_manager
-      Thread.current[:managers][self]
+      Thread.current[:managers][self] if Thread.current[:managers]
     end
 
     def arbiters