File 2594-inets-Make-httpc-error-reason-more-informative-for-u.patch of Package erlang

From c061eb5f8b6b0fdf3468945d8f6eea818ac4f478 Mon Sep 17 00:00:00 2001
From: Luca Favatella <luca.favatella@erlang-solutions.com>
Date: Mon, 19 Mar 2018 19:16:29 +0000
Subject: [PATCH 4/9] inets: Make httpc error reason more informative for
 unexpected errors

---
 lib/inets/src/http_client/httpc_handler.erl | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 8311d1ed76..0ca8155054 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -253,8 +253,9 @@ handle_call(Request, From, State) ->
 	Result ->
 	    Result
     catch
-	_:Reason ->
-	    {stop, {shutdown, Reason} , State}
+	Class:Reason ->
+            ST = erlang:get_stacktrace(),
+	    {stop, {shutdown, {{Class, Reason}, ST}}, State}
     end.		
 
 
@@ -269,8 +270,9 @@ handle_cast(Msg, State) ->
 	Result ->
 	    Result
     catch
-	_:Reason ->
-	    {stop, {shutdown, Reason} , State}
+	Class:Reason ->
+            ST = erlang:get_stacktrace(),
+	    {stop, {shutdown, {{Class, Reason}, ST}}, State}
     end.		
 
 %%--------------------------------------------------------------------
@@ -284,8 +286,9 @@ handle_info(Info, State) ->
 	Result ->
 	    Result
     catch
-	_:Reason ->
-	    {stop, {shutdown, Reason} , State}
+	Class:Reason ->
+            ST = erlang:get_stacktrace(),
+	    {stop, {shutdown, {{Class, Reason}, ST}}, State}
     end.		
 
 %%--------------------------------------------------------------------
@@ -569,11 +572,12 @@ do_handle_info({Proto, _Socket, Data},
 	    activate_once(Session),
 	    {noreply, State#state{mfa = NewMFA}}
     catch
-	_:Reason ->
+	Class:Reason ->
+            ST = erlang:get_stacktrace(),
 	    ClientReason = {could_not_parse_as_http, Data}, 
 	    ClientErrMsg = httpc_response:error(Request, ClientReason),
 	    NewState     = answer_request(Request, ClientErrMsg, State),
-	    {stop, {shutdown, Reason}, NewState}
+	    {stop, {shutdown, {{Class, Reason}, ST}}, NewState}
     end;
 
 do_handle_info({Proto, Socket, Data}, 
-- 
2.16.3