blocked by: [SERVICE_UNAVAILABLE/2/no master];
I am getting this error at multiple places in logs...
[2021-02-26T16:20:30,781][WARN ][r.suppressed ] [VPRODGRMQ02] path: /servername_messagestatus_0/_doc/915114982214214528237396681, params: {index=servername_messagestatus_0, id=915114982214214528237396681}
org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [SERVICE_UNAVAILABLE/2/no master];
at org.elasticsearch.cluster.block.ClusterBlocks.globalBlockedException(ClusterBlocks.java:191) ~[elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation.handleBlockExceptions(TransportBulkAction.java:472) [elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation.doRun(TransportBulkAction.java:353) [elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.action.bulk.TransportBulkAction$BulkOperation$2.onTimeout(TransportBulkAction.java:506) [elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.cluster.ClusterStateObserver$ContextPreservingListener.onTimeout(ClusterStateObserver.java:322) [elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.cluster.ClusterStateObserver$ObserverClusterStateListener.onTimeout(ClusterStateObserver.java:249) [elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.cluster.service.ClusterApplierService$NotifyTimeout.run(ClusterApplierService.java:555) [elasticsearch-7.1.1.jar:7.1.1]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:681) [elasticsearch-7.1.1.jar:7.1.1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_144]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]