Fix undefined emqx_vm:schedulers/1

src/emqx.app.src

@@ -3,7 +3,7 @@
               {vsn,"3.0"},
               {modules,[]},
               {registered,[emqx_sup]},
-              {applications,[kernel, stdlib,jsx,gproc,gen_rpc,lager,ekka,esockd,mochiweb]},
+              {applications,[kernel,stdlib,jsx,gproc,gen_rpc,lager,esockd,mochiweb]},
               {env,[]},
               {mod,{emqx_app,[]}},
               {maintainers,["Feng Lee <feng@emqx.io>"]},

src/emqx_pool_sup.erl

@@ -27,11 +27,11 @@ spec(Args) ->
 -spec(spec(any(), list()) -> supervisor:child_spec()).
 spec(ChildId, Args) ->
     {ChildId, {?MODULE, start_link, Args},
-        transient, infinity, supervisor, [?MODULE]}.
+     transient, infinity, supervisor, [?MODULE]}.
 
 -spec(start_link(atom() | tuple(), atom(), mfa()) -> {ok, pid()} | {error, term()}).
 start_link(Pool, Type, MFA) ->
-    start_link(Pool, Type, emqx_vm:schedulers(schedulers), MFA).
+    start_link(Pool, Type, emqx_vm:schedulers(), MFA).
 
 -spec(start_link(atom() | tuple(), atom(), pos_integer(), mfa()) -> {ok, pid()} | {error, term()}).
 start_link(Pool, Type, Size, MFA) when is_atom(Pool) ->

src/emqx_sys_sup.erl

@@ -31,8 +31,7 @@ init([]) ->
             type     => worker,
             modules  => [emqx_sys]},
     Sysmon = #{id       => sys_mon,
-               start    => {emqx_sys_mon, start_link,
-                            [emqx_config:get_env(sysmon, [])]},
+               start    => {emqx_sys_mon, start_link, [emqx_config:get_env(sysmon, [])]},
                restart  => permanent,
                shutdown => 5000,
                type     => worker,