exception exit: econnrefused

[Maybrittnelson]

emqx version
5.1.0
shell command
docker exec -it emqtt-bench ./emqtt_bench conn -h 127.0.0.1 -p 1883 -u admin -P public12 -c 1
error msg
`client(1): connect error - econnrefused
=ERROR REPORT==== 3-Jun-2023::02:59:56.698355 ===
** State machine <0.113.0> terminating
** Last event = {{call,{<0.110.0>,#Ref<0.2350854088.2445541377.53670>}},
{connect,emqtt_sock}}
** When server state = {initialized,
{state,undefined,<0.110.0>,undefined,"127.0.0.1",
1883,[],emqtt_sock,undefined,[],60000,false,
<<"31d51db3bb49_bench_conn_1_578986024">>,
true,<<"admin">>,<<"public12">>,4,<<"MQTT">>,
300,undefined,false,false,false,
{mqtt_msg,0,false,false,undefined,undefined,
undefined,undefined},
#{},[],#{},infinity,#{},#{},true,30000,
undefined,0,undefined,undefined,1,
{none,#{max_size => 268435455,version => 4}}}}
** Reason for termination = exit:econnrefused
** Callback mode = state_functions
** Stacktrace =
** [{gen_statem,loop_state_callback_result,11,
[{file,"gen_statem.erl"},{line,1364}]},
{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,226}]}]
** Client <0.110.0> stacktrace
** [{io,execute_request,2,[{file,"io.erl"},{line,571}]},
{io,o_request,3,[{file,"io.erl"},{line,63}]}]

=CRASH REPORT==== 3-Jun-2023::02:59:56.739055 ===
crasher:
initial call: emqtt:init/1
pid: <0.113.0>
registered_name: []
exception exit: econnrefused
in function gen_statem:loop_state_callback_result/11 (gen_statem.erl, line 1364)
ancestors: [<0.110.0>]
message_queue_len: 1
messages: [{'EXIT',<0.110.0>,normal}]
links: []
dictionary: []
trap_exit: true
status: running
heap_size: 10958
stack_size: 28
reductions: 12538
neighbours:`

[id]

@Maybrittnelson how do you run emqx? 127.0.0.1 is an address inside emqtt-bench docker container, and not the host one. It makes sense that emqtt-bench cannot find service listening on 1883 port there.