From bb9fe3078e74faa6d8a6e129b28ab20a112c922f Mon Sep 17 00:00:00 2001
From: maruthavanan <maruthavanan.s@gmail.com>
Date: Fri, 7 Dec 2012 16:10:02 +0530
Subject: [PATCH 1/3] Update src/ibrowse_lb.erl

ets:update_counter crashes when select process has shutdown.
---
 src/ibrowse_lb.erl | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/ibrowse_lb.erl b/src/ibrowse_lb.erl
index d98cf32..69f4661 100644
--- a/src/ibrowse_lb.erl
+++ b/src/ibrowse_lb.erl
@@ -230,7 +230,9 @@ code_change(_OldVsn, State, _Extra) ->
 %%% Internal functions
 %%--------------------------------------------------------------------
 find_best_connection(Tid, Max_pipe) ->
+    ets:safe_fixtable(Tid, true),
     Res = find_best_connection(ets:first(Tid), Tid, Max_pipe),
+    ets:safe_fixtable(Tid, false),
     Res.
 
 find_best_connection('$end_of_table', _, _) ->
@@ -239,9 +241,13 @@ find_best_connection(Pid, Tid, Max_pipe) ->
     case ets:lookup(Tid, Pid) of
         [{Pid, Cur_sz, Speculative_sz}] when Cur_sz < Max_pipe,
                                              Speculative_sz < Max_pipe ->
-            ets:update_counter(Tid, Pid, {3, 1, 9999999, 9999999}),
-            {ok, Pid};
-        _ ->
+            case catch ets:update_counter(Tid, Pid, {3, 1, 9999999, 9999999}) of
+                {'EXIT', _} ->
+                    %% The selected process has shutdown
+                    find_best_connection(ets:next(Tid, Pid), Tid, Max_pipe);
+                _ ->
+                    {ok, Pid}
+            end;        _ ->
             find_best_connection(ets:next(Tid, Pid), Tid, Max_pipe)
     end.
 

From 7c55ac9fc6c05d67a24459a1b5ad49e2dadefb90 Mon Sep 17 00:00:00 2001
From: maruthavanan <maruthavanan.s@gmail.com>
Date: Fri, 7 Dec 2012 16:14:40 +0530
Subject: [PATCH 2/3] Update src/ibrowse_lb.erl

ets update counter throws exception when the corresponding process has already shutdown. Added line fee to L248
---
 src/ibrowse_lb.erl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ibrowse_lb.erl b/src/ibrowse_lb.erl
index 69f4661..316e8e2 100644
--- a/src/ibrowse_lb.erl
+++ b/src/ibrowse_lb.erl
@@ -247,7 +247,8 @@ find_best_connection(Pid, Tid, Max_pipe) ->
                     find_best_connection(ets:next(Tid, Pid), Tid, Max_pipe);
                 _ ->
                     {ok, Pid}
-            end;        _ ->
+            end;
+_ ->
             find_best_connection(ets:next(Tid, Pid), Tid, Max_pipe)
     end.
 

From f7a98b1ef9d1f75819d7d9f10548f5c76b03fac8 Mon Sep 17 00:00:00 2001
From: maruthavanan <maruthavanan.s@gmail.com>
Date: Fri, 7 Dec 2012 16:16:38 +0530
Subject: [PATCH 3/3] Update src/ibrowse_lb.erl

---
 src/ibrowse_lb.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ibrowse_lb.erl b/src/ibrowse_lb.erl
index 316e8e2..993e8d4 100644
--- a/src/ibrowse_lb.erl
+++ b/src/ibrowse_lb.erl
@@ -248,7 +248,7 @@ find_best_connection(Pid, Tid, Max_pipe) ->
                 _ ->
                     {ok, Pid}
             end;
-_ ->
+         _ ->
             find_best_connection(ets:next(Tid, Pid), Tid, Max_pipe)
     end.