Merge pull request #574 from firx/logger-error-fix

Suppress error when default logger handler already removed
erlang-lager · Nov 2, 2023 · 1418c7c · 1418c7c
2 parents fb340d7 + 29082d9
commit 1418c7c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/lager_app.erl b/src/lager_app.erl
@@ -190,7 +190,8 @@ maybe_remove_logger_handler() ->
     try
         ok = logger:remove_handler(default)
     catch
-        error:undef -> ok;
+        error:undef -> ok; %% No remove_handler(), OTP < 21.1
+        error:{badmatch, {error, {not_found, default}}} -> ok; %% No default handler, already removed
         Err:Reason ->
             error_logger:error_msg("calling logger:remove_handler(default) failed: ~p ~p",
                                    [Err, Reason])