有人碰到过这个问题吗？
RabbitMQ：3.8.14
运行时：
$ sudo systemctl start rabbitmq-server
遇到了这个凭证混淆问题：
{"Kernel pid terminated",application_controller,"{application_start_failure,cr A nel pid terminated",application_controller,"{application_start_failure,credentials_obfuscation,{{shutdown,{failed_to_start_child,credentials_obfu l redentials_obfuscation,{{shutdown,{failed_to_start_child,credentials_obfuscaton_svc,{undef,[{crypto,cipher_info,[aes_128_cbc],[]},{credentials_ob ede uscaton_svc,{undef,[{crypto,cipher_info,[aes_128_cbc],[]},{credentials_obfuscation_pbe,iv_length,1,[{file,"src/credentials_obfuscation_pbe.erl" sca bfuscation_pbe,iv_length,1,[{file,"src/credentials_obfuscation_pbe.erl"},{line,125}]},{credentials_obfuscation_pbe,encrypt,5,[{file,"src/crede "},{line,125}]},{credentials_obfuscation_pbe,encrypt,5,[{file,"src/credentials_obfuscation_pbe.erl"},{line,75}]},{credentials_obfuscation_svc,c entials_obfuscation_pbe.erl"},{line,75}]},{credentials_obfuscation_svc,check,3,[{file,"src/credentials_obfuscation_svc.erl"},{line,163}]},{cre check,3,[{file,"src/credentials_obfuscation_svc.erl"},{line,163}]},{credentials_obfuscation_svc,init_state,0,[{file,"src/credentials_obfuscati edentials_obfuscation_svc,init_state,0,[{file,"src/credentials_obfuscation_svc.erl"},{line,133}]},{gen_server,init_it,2,[{file,"gen_server.erl"},{line,249}]}]}}},{credentials_obfuscation_app,start,[normal,[]]}}}"}
{"内核 pid 终止",application_controller,"{application_start_failure,cr A nel pid 终止",application_controller,"{application_start_failure,credentials_obfuscation,{{shutdown,{failed_to_start_child,credentials_obfuscation,{{shutdown,{failed_to_start_child,credentials_obfuscaton_svc,{undef,[{crypto,cipher_info,[aes_128_cbc],[]},{credentials_obfuscation_pbe,iv_length,1,[{file,"src/credentials_obfuscation_pbe.erl" sca bfuscation_pbe,iv_length,1,[{file,"src/credentials_obfuscation_pbe.erl"},{line,125}]},{credentials_obfuscation_pbe,加密,5,[{file,"src/crede "},{line,125}]},{credentials_obfuscation_pbe,加密,5,[{file,"src/credentials_obfuscation_pbe.erl"},{line,75}]},{credentials_obfuscation_svc,c entials_obfuscation_pbe.erl"},{line,75}]},{credentials_obfuscation_svc,check,3,[{file,"src/credentials_obfuscation_svc.erl"},{line,163}]},{cre检查，3，[{文件，“src/credentials_obfuscation_svc.erl”}，{line，163}]}，{credentials_obfuscation_svc，init_state，0，[{文件，“src/credentials_obfuscati edentials_obfuscation_svc，init_state，0，[{文件，“src/credentials_obfuscation_svc.erl”}，{line，133}]}，{gen_server，init_it，2，[{文件，“gen_server.erl”}，{line，249}]}]}}}，{credentials_obfuscation_app，启动，[正常，[]]}}}”}
答案1
花了几个小时后，发现 Erlang 太旧了。将其升级到最新版本 Erlang/OTP 23，问题解决了！
RabbitMQ 与 Erlang/OTP 不兼容导致的问题：Ubuntu 18.04 提供了 Erlang 20.2 和RabbitMQ 3.8.14 需要 22.3 或 23.x。 看RabbitMQ 和 Erlang/OTP 兼容性矩阵
安装最新的 Erlang 版本应该可以解决问题。
$sudo apt-get install erlang
该问题通常发生在仅升级 rabbitMq 而不升级 Erlang 时。（以我的情况为例：rabbitMq 3.8.0 -> 3.8.14）