**前言 由于原来的云服务器到期,需要在新的云服务器上部署kafka,但按照以往的配置确无法连接。 ** 解决云服务器上部署的kafka无法连接问题 错误信息: Connection to node -1 (/180.76.56.208:9092) could not be established. Broker may not be available. 1...
连接PostgresSQL报错: / # psql -U postgres -h?192.168.xx.xxx?-p 5440 -d postgres psql: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request. 在这里,我用的是端口...
问题描述: Win10系统更新后,启动项目,显示拒绝连接。之后打开pgAdmin登录操作,但失败了!并显示错误信息。 could not connect to server: Connection refused (0x0000274D/10061) Is the server... 原因分析: 本以为是pg_hba.conf...
项目场景: 连接linux虚拟机(32位centos)上的zookeeper时一直连接不上并报错。 问题描述: 报错信息: java.lang.IllegalStateException: zookeeper not connected java.net.ConnectException: Connection refused: no further information...
首先报错信息如下 Opening socket connection to server XXX/XXX:2181. Will not attempt to authenticate using SASL (unknown error) WARN [org.apache.zookeeper.ClientCnxn] - Client session timed out, have not heard from server in 9329ms for sessionid 0x0 INFO...