我已经在kuberentes中设置了一个elasticsearch集群，但是我得到了错误"MasterNotDiscoveredException"。我甚至不确定从哪里开始调试这个错误，因为在任何节点的日志中似乎都没有任何真正有用的东西:
│ elasticsearch {"type": "server", "timestamp": "2022-06-15T00:44:17,226Z", "level": "WARN", "component": "r.suppressed", "cluster.name": "logging-ek", "node.name": "logging-ek-es-master-0", "message": "path: /_bulk, params: {}", │
│ elasticsearch "stacktrace": ["org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [SERVICE_UNAVAILABLE/1/state not recovered / initialized, SERVICE_UNAVAILABLE/2/no master];", │
│ elasticsearch "at org.elasticsearch.cluster.block.ClusterBlocks.globalBlockedException(ClusterBlocks.java:179) ~[elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation.handleBlockExceptions(TransportBulkAction.java:635) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation.doRun(TransportBulkAction.java:481) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation$2.onTimeout(TransportBulkAction.java:669) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.cluster.ClusterStateObserver$ContextPreservingListener.onTimeout(ClusterStateObserver.java:345) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.cluster.ClusterStateObserver$ObserverClusterStateListener.onTimeout(ClusterStateObserver.java:263) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.cluster.service.ClusterApplierService$NotifyTimeout.run(ClusterApplierService.java:660) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:718) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]", │
│ elasticsearch "at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]", │
│ elasticsearch "at java.lang.Thread.run(Thread.java:833) [?:?]", │
│ elasticsearch "Suppressed: org.elasticsearch.discovery.MasterNotDiscoveredException", │
│ elasticsearch "tat org.elasticsearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction$2.onTimeout(TransportMasterNodeAction.java:297) ~[elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "tat org.elasticsearch.cluster.ClusterStateObserver$ContextPreservingListener.onTimeout(ClusterStateObserver.java:345) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "tat org.elasticsearch.cluster.ClusterStateObserver$ObserverClusterStateListener.onTimeout(ClusterStateObserver.java:263) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "tat org.elasticsearch.cluster.service.ClusterApplierService$NotifyTimeout.run(ClusterApplierService.java:660) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "tat org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:718) [elasticsearch-7.17.1.jar:7.17.1]", │
│ elasticsearch "tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]", │
│ elasticsearch "tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]", │
│ elasticsearch "tat java.lang.Thread.run(Thread.java:833) [?:?]"] }
是我见过的唯一的日志。
集群似乎看到了我所有的主节点:
elasticsearch {"type": "server", "timestamp": "2022-06-15T00:45:41,915Z", "level": "WARN", "component": "o.e.c.c.ClusterFormationFailureHelper", "cluster.name": "logging-ek", "node.name": "logging-ek-es-master-0", "message": "master not discovered yet, this node has not previously joine │
│ d a bootstrapped (v7+) cluster, and [cluster.initial_master_nodes] is empty on this node: have discovered [{logging-ek-es-master-0}{fHLQrvLsTJ6UvR_clSaxfg}{iLoGrnWSTpiZxq59z7I5zA}{10.42.64.4}{10.42.64.4:9300}{mr}, {logging-ek-es-master-1}{EwF8WLIgSF6Q1Q46_51VlA}{wz5rg74iThicJdtzXZg29g}{ │
│ 10.42.240.8}{10.42.240.8:9300}{mr}, {logging-ek-es-master-2}{jtrThk_USA2jUcJYoIHQdg}{HMvZ_dUfTM-Ar4ROeIOJlw}{10.42.0.5}{10.42.0.5:9300}{mr}]; discovery will continue using [127.0.0.1:9300, 127.0.0.1:9301, 127.0.0.1:9302, 127.0.0.1:9303, 127.0.0.1:9304, 127.0.0.1:9305, [::1]:9300, [::1]: │
│ 9301, [::1]:9302, [::1]:9303, [::1]:9304, [::1]:9305, 10.42.0.5:9300, 10.42.240.8:9300] from hosts providers and [{logging-ek-es-master-0}{fHLQrvLsTJ6UvR_clSaxfg}{iLoGrnWSTpiZxq59z7I5zA}{10.42.64.4}{10.42.64.4:9300}{mr}] from last-known cluster state; node term 0, last-accepted version │
│ 0 in term 0" }
和我已经验证了他们实际上可以通过网络联系到对方。还有什么地方需要查找错误吗?我通过elasticoperator安装了elasticsearch。
开始对9300端口进行curl操作。确保你得到一个有效的双向回复。
还要确保您的MTU设置正确，否则也可能发生这种情况。这是一个网络问题。