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https://stackoverflow.com/questions/26811924/spring-amqp-rabbitmq-3-3-5-access-refused-login-was-refused-using-authentica/26820152
https://stackoverflow.com/questions/36543710/access-refused-login-was-refused-using-authentication-mechanism-plain
https://community.esri.com/thread/164173
https://community.hortonworks.com/questions/231915/login-was-refused-using-authentication-mechanism-p.html
https://github.com/Esri/rabbitmq-for-geoevent/issues/4
https://github.com/akka/alpakka/issues/761
https://groups.google.com/d/topic/rabbitmq-users/BMb3egwYRZ4
http://rabbitmq.1065348.n5.nabble.com/I-am-getting-an-Error-while-trying-to-send-messages-to-a-queue-quot-ACCESS-REFUSED-Login-was-refused-td35055.html
https://grokbase.com/t/rabbitmq/rabbitmq-discuss/144rvcabzb/i-am-getting-an-error-while-trying-to-send-messages-to-a-queue-access-refused-login-was-refused-using-authentication-mechanism-plain-for-details-see-the-broker-logfile
https://www.rabbitmq.com/authentication.html
https://www.cnblogs.com/nizuimeiabc1/p/9669002.html
https://www.reddit.com/r/learnpython/comments/8fykun/celery_access_refused_login_was_refused_using/
https://blog.csdn.net/u012062455/article/details/80136603