Clickhouse 连接被拒绝答案

【问题标题】：Clickhouse connection refuseClickhouse 连接被拒绝
【发布时间】：2018-04-22 12:41:00
【问题描述】：

我在通过 8123 端口通过 http 连接到 clickhouse-server 时遇到问题。所有参数均为默认值。

Status: Downloaded newer image for yandex/clickhouse-server:latest
Include not found: clickhouse_remote_servers
Include not found: clickhouse_compression
2017.11.09 13:05:37.975332 [ 1 ] <Warning> Application: Logging to console
2017.11.09 13:05:37.978638 [ 1 ] <Information> : Starting daemon with revision 54310
2017.11.09 13:05:37.978733 [ 1 ] <Information> Application: starting up
2017.11.09 13:05:37.979947 [ 1 ] <Debug> Application: rlimit on number of file descriptors is 1048576
2017.11.09 13:05:37.979979 [ 1 ] <Debug> Application: Initializing DateLUT.
2017.11.09 13:05:37.980015 [ 1 ] <Trace> Application: Initialized DateLUT with time zone Zulu'.
2017.11.09 13:05:37.980651 [ 1 ] <Debug> Application: Configuration parameter 'interserver_http_host' doesn't exist or exists and empty. Will use 'c9a1a0a75b97' as replica host.
2017.11.09 13:05:37.980783 [ 1 ] <Debug> ConfigReloader: Loading config /etc/clickhouse-server/users.xml'
2017.11.09 13:05:37.983605 [ 1 ] <Warning> ConfigProcessor: Include not found: networks
2017.11.09 13:05:37.983633 [ 1 ] <Warning> ConfigProcessor: Include not found: networks
2017.11.09 13:05:37.984168 [ 1 ] <Information> Application: Loading metadata.
2017.11.09 13:05:37.984738 [ 1 ] <Information> DatabaseOrdinary (default): Total 0 tables.
2017.11.09 13:05:37.984766 [ 1 ] <Information> DatabaseOrdinary (default): Starting up tables.
2017.11.09 13:05:37.984999 [ 1 ] <Debug> Application: Loaded metadata.
2017.11.09 13:05:37.985454 [ 1 ] <Information> Application: Listening http://0.0.0.0:8123
2017.11.09 13:05:37.987644 [ 1 ] <Information> Application: Listening tcp: 0.0.0.0:9000
2017.11.09 13:05:37.987692 [ 1 ] <Information> Application: Listening interserver: 0.0.0.0:9009
2017.11.09 13:05:37.988186 [ 1 ] <Information> Application: Available RAM = 1.95 GiB; physical cores = 4; threads = 4.
2017.11.09 13:05:37.988212 [ 1 ] <Information> Application: Ready for connections.
2017.11.09 13:05:39.980980 [ 2 ] <Debug> ConfigReloader: Loading config /etc/clickhouse-server/config.xml'
2017.11.09 13:05:39.985393 [ 2 ] <Warning> ConfigProcessor: Include not found: clickhouse_remote_servers
2017.11.09 13:05:39.985462 [ 2 ] <Warning> ConfigProcessor: Include not found: clickhouse_compression


$ curl 'http://localhost:8123/'
curl: (7) Failed to connect to localhost port 8123: Connection refused

请帮我解决这个问题。

【问题讨论】：

您是否尝试绑定或使用不同的目标，例如 127.0.0.1 而不是 localhost 等

标签： php database clickhouse

【解决方案1】：

首先检查你的clickhouse-server是否运行正常：

sudo lsof -i :8123

您应该能够看到类似的输出：

COMMAND    PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME

clickhous 8752 root    9u  IPv6  38265      0t0  TCP ip6-localhost:8123 (LISTEN)

clickhous 8752 root   12u  IPv4  38268      0t0  TCP localhost:8123 (LISTEN)

确保您在位于 /etc/clickhouse-server 的 config.xml 文件中有这些条目

<listen_host>::1</listen_host>
<!-- Localhost Binding -->
<listen_host>127.0.0.1</listen_host>
<!-- Remote Access Binding -->
<listen_host>< IP / URL></listen_host>

确保这些条目存在后，运行以下命令重新启动服务器：

cd /usr/bin
sudo ./clickhouse-server --config /etc/clickhouse-server/config.xml &

再次执行 sudo lsof -i :8123 以查看您的 clickhouse-server 是否正在侦听该端口。

【讨论】：

【解决方案2】：

UPD

如果您不想更改网络类型，一个好的解决方案是将容器的端口发布到主机。可以使用 -p HOST_PORT:CONTAINER_PORT 参数来完成。在您的情况下，它将是-p 8123:8123。一个例子： docker run -d --name clickhouse-server --ulimit nofile=262144:262144 -p 8123:8123 yandex/clickhouse-server

原答案

似乎一个 docker 容器连接到您无法从主机访问的网络。尝试使用--net=host 标志启动图像。然后，再次运行curl。

有关 docker 网络类型及其功能的更多信息，请参阅official documentation

【讨论】：