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Merge pull request #8441 from ieQu1/shared-sub-dispatch-v4.3 

fix(shared_sub): Fix crash on dispatch with subscribers disconnected
This commit is contained in:
ieQu1 2022-07-07 12:02:25 +02:00 committed by GitHub
parent aaaa65786a e145fdbef3
commit a344487935
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2 changed files with 12 additions and 6 deletions
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14
src/emqx.appup.src
View File

@ -1,9 +1,12 @@
%% -*- mode: erlang -*-
%% Unless you know what you are doing, DO NOT edit manually!!
{VSN,
[{"4.3.17",[{load_module,emqx_access_control,brutal_purge,soft_purge,[]}]},
[{"4.3.17",
[{load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
{load_module,emqx_access_control,brutal_purge,soft_purge,[]}]},
{"4.3.16",
[{load_module,emqx_access_control,brutal_purge,soft_purge,[]},
[{load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
{load_module,emqx_access_control,brutal_purge,soft_purge,[]},
{load_module,emqx_plugins,brutal_purge,soft_purge,[]},
{load_module,emqx_metrics,brutal_purge,soft_purge,[]},
{load_module,emqx_app,brutal_purge,soft_purge,[]},
@ -652,9 +655,12 @@
{load_module,emqx_message,brutal_purge,soft_purge,[]},
{load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
{<<".*">>,[]}],
[{"4.3.17",[{load_module,emqx_access_control,brutal_purge,soft_purge,[]}]},
[{"4.3.17",
[{load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
{load_module,emqx_access_control,brutal_purge,soft_purge,[]}]},
{"4.3.16",
[{load_module,emqx_access_control,brutal_purge,soft_purge,[]},
[{load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
{load_module,emqx_access_control,brutal_purge,soft_purge,[]},
{load_module,emqx_plugins,brutal_purge,soft_purge,[]},
{load_module,emqx_metrics,brutal_purge,soft_purge,[]},
{load_module,emqx_app,brutal_purge,soft_purge,[]},

2
src/emqx_shared_sub.erl
View File

@ -311,7 +311,7 @@ do_pick(Strategy, ClientId, SourceTopic, Group, Topic, FailedSubs) ->
false;
[] ->
%% We try redispatch to subs who dropped the message because inflight was full.
Found = maps_find_by(FailedSubs, fun({SubPid, FailReason}) ->
Found = maps_find_by(FailedSubs, fun(SubPid, FailReason) ->
FailReason == dropped andalso is_alive_sub(SubPid)
end),
case Found of