zookeeper啓動報錯Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to.....

  今天在學習zookeeper的時候，在linux上搭建單機版僞分佈式集羣zookeeper，啓動一個zookeeper的時候是成功的，可是連上客戶端的時候報了以下圖的錯誤:linux Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL

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