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(backport) http-lib: log reason that causes lack of response #117

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(backport) http-lib: log reason that causes lack of response #117

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8 changes: 7 additions & 1 deletion http-svr/http_client.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,7 @@ let response_of_fd_exn fd =

(** [response_of_fd fd] returns an optional Http.Response.t record *)
let response_of_fd ?(use_fastpath = false) fd =
let __FUN = "Http_client.response_of_fd" in
try
if use_fastpath then
Some (response_of_fd_exn fd)
Expand All @@ -189,7 +190,12 @@ let response_of_fd ?(use_fastpath = false) fd =
with
| Unix.Unix_error (_, _, _) as e ->
raise e
| _ ->
| e ->
Backtrace.is_important e ;
let bt = Backtrace.get e in
Debug.log_backtrace e bt ;
D.debug "%s: returning no response because of the exception: %s" __FUN
(Printexc.to_string e) ;
None

(** See perftest/tests.ml *)
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