Elasticsearch 服务器发现配置

问题描述

我已经安装了 ElasticSearch 服务器，我正在运行它:

I've installed ElasticSearch server, that i'm running by:

$ ./elasticsearch -f
 {0.18.2}[11698]: initializing ...
 loaded [], sites []
 {0.18.2}[11698]: initialized
 {0.18.2}[11698]: starting ...
 bound_address {inet[/0:0:0:0:0:0:0:0:9300]}, publish_address {inet[/192.168.1.106:9300]}
 new_master [Stingray][ocw4qPdmSfWuD9pUxHoN1Q][inet[/192.168.1.106:9300]], reason: zen-disco-join (elected_as_master)
 elasticsearch/ocw4qPdmSfWuD9pUxHoN1Q
 recovered [0] indices into cluster_state
 bound_address {inet[/0:0:0:0:0:0:0:0:9200]}, publish_address {inet[/192.168.1.106:9200]}
 {0.18.2}[11698]: started

如何配置 Java 客户端以连接到此服务器?我刚刚:

How I can configure Java client to connect to this server? I have just:

node.client=true

但是，在尝试连接后，我收到了:

but, after trying to connect i'm receiving:

org.elasticsearch.discovery.MasterNotDiscoveredException: 
    at org.elasticsearch.action.support.master.TransportMasterNodeOperationAction$3.onTimeout(TransportMasterNodeOperationAction.java:162)

如果我将 java 客户端配置为:

If i'm configuring java client as:

node.data=false

我收到以下日志:

INFO main node:internalInfo:93 - [Stark, Tony] {0.18.2}[13008]: starting ...
INFO main transport:internalInfo:93 - [Stark, Tony] bound_address {inet[/0:0:0:0:0:0:0:0:9301]}, publish_address {inet[/192.168.1.106:9301]}
INFO elasticsearch[Stark, Tony]clusterService#updateTask-pool-13-thread-1 service:internalInfo:93 - [Stark, Tony] new_master [Stark, Tony][WkNn96hgTkWXRnsR0EOZjA][inet[/192.168.1.106:9301]]{data=false}, reason: zen-disco-join (elected_as_master)

据我了解，这意味着这个新节点(应该是客户端节点)使自己成为一个新的主节点.而且我不会从日志中找到它并连接到任何其他节点.

As I understood it means that this new node (supposed to be client node) made itself a new master node. And I don't from log that it's found and connect to any other node.

服务器和客户端都在同一台机器上启动.192.168.1.106:9200 可以从浏览器访问.

Both server and client are started on same machine. 192.168.1.106:9200 are accessible from browser.

而且我找不到任何关于发现配置的好文档.我可以在哪里阅读有关 ElasticSearch 配置的更多信息?以及如何配置Java客户端?

And I can't find any good documentation about discovery config. Where I can read more about ElasticSearch configurations? And how to configure Java client?

推荐答案

遇到同样的问题，节点重启时节点无法选举主节点.

Faced the same issue where the nodes were not able to elect a master on nodes restart.

问题在于节点之间的通信.

The problem lies in the communication of nodes among themselves.

请确保在您的弹性搜索日志中，节点重启是否显示

Please ensure in your elastic search logs, whether the node restart says

  publish_address {127.0.0.1:9200}
  or
  publish_address {0.0.0.1:9200}

这意味着当前节点没有将其 IP 地址发布给其他节点，因此即使节点 IP 可能存在于 discovery.zen.ping.unicast.hosts<中，节点也不会识别此节点/strong>

 network.host: _non_loopback:ipv4_
 and restart the node.
 Ensure that the bound address now shows the <IP address>:<port no> and not the localhost.

   Add the node IP to the discovery.zen.ping.unicast.hosts 
   list of hosts of all the masters to make it disoverable. A masterpings all the 
   nodes present in the unicast list.