我在运行 emqx 时遇到问题。当我运行 emqx start 时，它显示：
emqx v3.2.7 is started successfully!
当我运行 emx_ctl 状态时：
Node 'emqx@127.0.0.1' not responding to pings.
当我运行 emqx 控制台时：
MacBook-Pro:bin apple$ emqx console
!!!!
!!!! WARNING: ulimit -n is 256; 1024 is the recommended minimum.
!!!!
Exec: /usr/local/Cellar/emqx/3.2.7/erts-10.3.5/bin/erlexec -boot /usr/local/Cellar/emqx/3.2.7/releases/v3.2.7/emqx -mode embedded -boot_var ERTS_LIB_DIR /usr/local/Cellar/emqx/3.2.7/erts-10.3.5/../lib -mnesia dir "/usr/local/Cellar/emqx/3.2.7/data/mnesia/emqx@127.0.0.1" -config /usr/local/Cellar/emqx/3.2.7/data/configs/app.2019.12.13.02.35.23.config -args_file /usr/local/Cellar/emqx/3.2.7/data/configs/vm.2019.12.13.02.35.23.args -vm_args /usr/local/Cellar/emqx/3.2.7/data/configs/vm.2019.12.13.02.35.23.args -- console
Root: /usr/local/Cellar/emqx/3.2.7
/usr/local/Cellar/emqx/3.2.7
Erlang/OTP 21 [erts-10.3.5] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:32] [hipe] [dtrace]
{"Kernel pid terminated",application_controller,"{application_start_failure,kernel,{{shutdown,{failed_to_start_child,kernel_safe_sup,{on_load_function_failed,crypto}}},{kernel,start,[normal,[]]}}}"}
Kernel pid terminated (application_controller) ({application_start_failure,kernel,{{shutdown,{failed_to_start_child,kernel_safe_sup,{on_load_function_failed,crypto}}},{kernel,start,[normal,[]]}}})
Crash dump is being written to: log/crash.dump...done