error ./emqtt_bench: 11: exec: {{: not found about emqtt-bench HOT 4 OPEN

do you use compiled package or it is repo clone?

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same error, when i try to build i had:
make all
/opt/emqtt-bench/scripts/ensure-rebar3.sh 3.14.3-emqx-7
/opt/emqtt-bench/rebar3 compile
=ERROR REPORT==== 9-Jan-2023::11:12:15.711478 ===
beam/beam_load.c(551): Error loading function rebar3:parse_args/1: op put_tuple u x:
please re-compile this module with an Erlang/OTP 25 compiler

escript: exception error: undefined function rebar3:main/1
in function escript:run/2 (escript.erl, line 750)
in call from escript:start/1 (escript.erl, line 277)
in call from init:start_em/1
in call from init:do_boot/3
make: *** [Makefile:12: compile] Error 127

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looks like you are running with OTP25, you could try to downgrade to OTP24.

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@Babiboo2022
It seems you ran the bin/emqtt_bench in the source code repo but it is just a template. You need to run the script in the package dir.

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