[docker]本地配置好了 hosts,也生效了,但是怎么通过 hostname 没办法访问到 namenode/datanode? - V2EX
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shakeit
V2EX    Docker

[docker]本地配置好了 hosts,也生效了,但是怎么通过 hostname 没办法访问到 namenode/datanode?

  •  
  •   shakeit 2024-06-18 12:21:20 +08:00 1136 次点击
    这是一个创建于 480 天前的主题,其中的信息可能已经有所发展或是发生改变。

    docker compose 部署了一个单节点的 hadoop 集群,各个节点启动都正常,通过 localhost:9870 也访问得到 web ui,通过客户端上传文件显示也正常,但是要下载该文件就会失败,因为这个地址 datanode 是一个 id ,访问不到导致的。 我在本地 hosts 文件将 hostname 配置了一下,通过 cmd ping 显示已经正常解析成 127.0.0.1 了,但是就是访问不到,查了半天想了半天以我的知识储备这道理是通的啊,但是就是访问不到。实在是菜 以下是配置: docker-compose.yaml

    version: "2" services: namenode: image: apache/hadoop:3 hostname: namenode command: ["hdfs", "namenode"] ports: - 8020:8020 - 9870:9870 env_file: - ./config environment: ENSURE_NAMENODE_DIR: "/opt/hadoop/name" networks: - hadoop datanode: image: apache/hadoop:3 hostname: datanode depends_on: - namenode command: ["hdfs", "datanode"] ports: - 9864:9864 - 9865:9865 - 9866:9866 env_file: - ./config networks: - hadoop resourcemanager: image: apache/hadoop:3 hostname: resourcemanager command: ["yarn", "resourcemanager"] ports: - 8088:8088 - 19888:19888 - 19890:19890 env_file: - ./config volumes: - ./test.sh:/opt/test.sh networks: - hadoop nodemanager: image: apache/hadoop:3 command: ["yarn", "nodemanager"] env_file: - ./config ports: - 8040:8040 networks: - hadoop networks: hadoop: driver: bridge 

    hosts

    # Hadoop 127.0.0.1 namenode 127.0.0.1 datanode 

    还有就是配置成我本机 ip 也不行,请帮我解惑,谢谢了

    4 条回复    2024-06-18 13:59:22 +08:00
    tpxcer
        1
    tpxcer  
       2024-06-18 12:23:03 +08:00
    你竟然用虚拟机搞。。。斯~~~
    0o0O0o0O0o
        2
    0o0O0o0O0o  
       2024-06-18 12:40:24 +08:00
    前段时间遇到类似问题。排查下来返现是我的 sing-tun 配置只 bypass 了默认的 172.17.0.1/16 ,而 docker compose 里 bridge network 会新建一个 interface ,就可能是 172.21.0.1/16 。所以我把从 172.16.0.0/12 都进加进去就正常了
    - https://en.wikipedia.org/wiki/Reserved_IP_addresses#IPv4
    - https://sing-box.sagernet.org/configuration/inbound/tun/#inet4_route_exclude_address

    所以你可以排查看看是不是宿主机上运行了什么特别的东西
    shakeit
        3
    shakeit  
    OP
       2024-06-18 13:57:59 +08:00
    @tpxcer :)
    shakeit
        4
    shakeit  
    OP
       2024-06-18 13:59:22 +08:00
    @0o0O0o0O0o 是我 v2ray 影响的,谢谢老哥
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