Nacos微服务注册问题排查
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参考技术A 项目组反馈微服务注册不上nacos,于是开始问题排查:#1、查看nacos日志
2021-05-06 23:59:55,908 WARN [CLIENT-BEAT] The instance has been removed for health mechanism, perform data compensation operations, beat: "load":0.0,"cpu":0.0,"rt":0.0,"qps":0.0,"mem":0.0,"port":8305,"ip":"172.30.125.54","serviceName":"DEFAULT_GROUP@@dmp-analysis","cluster":"DEFAULT","weight":1.0,"ephemeral":true,"metadata":"preserved.register.source":"SPRING_CLOUD", serviceName: DEFAULT_GROUP@@dmp-analysis
##微服务注册上来后,过了会就会被踢下线。
#2、查看具体微服务日志
2021-05-07 14:40:27.643 [INFO ] [com.alibaba.nacos.naming.beat.sender] [NamingProxy.java:196] - [REGISTER-SERVICE] public registering service DEFAULT_GROUP@@dmp-system with instance: "clusterName":"DEFAULT","enabled":true,"ephemeral":true,"healthy":true,"instanceHeartBeatInterval":5000,"instanceHeartBeatTimeOut":15000,"ip":"172.30.125.54","ipDeleteTimeout":30000,"metadata":"preserved.register.source":"SPRING_CLOUD","port":8304,"serviceName":"DEFAULT_GROUP@@dmp-system","weight":1.0
##查看nacos的进程信息
##netstat -lntp | grep 8848
发现协议是ip v6,而微服务那块是通过ip v4来通信的。所以我们的方案是先禁用ip v6,通过ip v4来通信。
##禁用IPv6
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
##重启nacos
sh shutdown.sh
sh startup.sh -m standalone
##查看nacos的进程信息 netstat -lntp | grep 8848
已监听ip v4地址。至此问题解决。
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