I can't join my upgraded node to my cluster again.
[2018-10-09T19:21:39,386][WARN ][r.suppressed ] path: /se-tcj-al-2018-10-09/log/c309f128- 9c17-4848-9fb0-1c2ae3a835c5, params: {index=se-tcj-al-2018-10-09, id=c309f128-9c17-4848-9fb0-1c2ae3a835c5, type=log}
org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [SERVICE_UNAVAILABLE/1/state not recovered / initialized];[SERVICE_UNAVAILABLE/2/no master];
at org.elasticsearch.cluster.block.ClusterBlocks.globalBlockedException(ClusterBlocks.java:166) ~[elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation.handleBlockExceptions(TransportBulkAction.java:386) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation.doRun(TransportBulkAction.java:272) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation$2.onTimeout(TransportBulkAction.java:420) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.cluster.ClusterStateObserver$ContextPreservingListener.onTimeout(ClusterStateObserver.java:317) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.cluster.ClusterStateObserver$ObserverClusterStateListener.onTimeout(ClusterStateObserver.java:244) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.cluster.service.ClusterApplierService$NotifyTimeout.run(ClusterApplierService.java:576) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:625) [elasticsearch-6.3.0.jar:6.3.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_05]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_05]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_05]
Suppressed: org.elasticsearch.discovery.MasterNotDiscoveredException
at org.elasticsearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction$4.onTimeout(TransportMasterNodeAction.java:223) ~[elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.cluster.ClusterStateObserver$ContextPreservingListener.onTimeout(ClusterStateObserver.java:317) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.cluster.ClusterStateObserver$ObserverClusterStateListener.onTimeout(ClusterStateObserver.java:244) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.cluster.service.ClusterApplierService$NotifyTimeout.run(ClusterApplierService.java:576) [elasticsearch-6.3.0.jar:6.3.0]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:625) [elasticsearch-6.3.0.jar:6.3.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_05]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_05]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_05]
[2018-10-09T19:21:39,565][DEBUG][o.e.a.a.i.c.TransportCreateIndexAction] [myhost] timed out while retrying [indices:admin/create] after failure (timeout [1m])
[2018-10-09T19:21:39,759][DEBUG][o.e.a.a.i.t.g.TransportGetIndexTemplatesAction] [myhost] no known master node, scheduling a retry
[2018-10-09T19:21:40,081][DEBUG][o.e.a.a.i.c.TransportCreateIndexAction] [myhost] timed out while retrying [indices:admin/create] after failure (timeout [1m])
[2018-10-09T19:21:40,200][DEBUG][o.e.a.a.i.c.TransportCreateIndexAction] [myhost] no known master node, scheduling a retry
[2018-10-09T19:21:41,841][INFO ][o.e.d.z.ZenDiscovery ] [myhost] failed to send join request to master [{anotherhost}{nk1EByLST2GRnjggABJI2w}{zYlpKPhiQDuyhoGE0HU-Ng}{xxx.xxx.xxx.xxx}{xxx.xxx.xxx.xxx:9300}], reason [RemoteTransportException[[anotherhost][xxx.xxx.xxx.xxx:9300][internal:discovery/zen/join]]; nested: IllegalStateException[index [.marvel-es-1-2016.06.15/VlY3XavpTNK5JoVeAciDfQ] version not supported: 2.3.2 minimum compatible index version is: 5.0.0]; ]
[2018-10-09T19:21:42,200][DEBUG][o.e.a.a.i.c.TransportCreateIndexAction] [myhost] timed out while retrying [indices:admin/create] after failure (timeout [1m])
[2018-10-09T19:21:43,690][DEBUG][o.e.a.a.i.c.TransportCreateIndexAction] [myhost] timed out while retrying [indices:admin/create] after failure (timeout [1m])
[2018-10-09T19:21:44,077][DEBUG][o.e.a.a.i.c.TransportCreateIndexAction] [myhost] no known master node, scheduling a retry
I try to upgrade from 5.6.1 to 6.3.
Any ideas why?