Re: [I] [Question] 6 server(1 master + 5 worker) 集群搭建后,如何使用HugeGraph-Java-Client去连接server,我当前连接方式是否有问题? [incubator-hugegraph]

Thu, 19 Jun 2025 02:38:28 -0700 


dosubot[bot] commented on issue #2811:
URL: 
https://github.com/apache/incubator-hugegraph/issues/2811#issuecomment-2987430458

   <!-- Answer -->
   HugeGraph-Java-Client 不能自动感知集群，也不支持多节点切换或高可用。没有 Nginx 代理时，你只能在 
HugeClient.builder 里填写某一个节点的 REST API 地址（比如 master 节点的 
http://ip:port），所有请求都会发到这个节点。如果该节点不可用，client 也无法自动切换到其他节点。
   
   所以，直接连接集群时，写法如下：
   
   ```java
   HugeClient hugeClient = HugeClient.builder("http://某个节点IP:端口";, 
"hugegraph").build();
   ```
   
   注意事项：
   - 你只能指定一个节点的 REST 地址，不能写多个。
   - 集群所有节点的 graphs/hugegraph.properties 配置必须完全一致（尤其是 
raft.group_peers），端口不能冲突，网络互通，data/wal 路径可区分。
   - 高可用、负载均衡、自动故障切换只能靠 Nginx 或类似的反向代理实现，Java client 
本身不支持这些功能。[参考](https://github.com/apache/incubator-hugegraph/issues/2787) 
[参考2](https://github.com/apache/incubator-hugegraph/issues/2790)
   
   如果直接连节点，建议选 leader 节点（可通过 REST API 查询当前 leader），否则写入操作可能会被重定向或失败。
   
   
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