Reset password api is not working

[Sunil_Bhakar]

{
"error" : {
"root_cause" : [
{
"type" : "status_exception",
"reason" : "Cluster state has not been recovered yet, cannot write to the [null] index"
}
],
"type" : "status_exception",
"reason" : "Cluster state has not been recovered yet, cannot write to the [null] index"
},
"status" : 503
}

[dadoonet (David Pilato)]

Welcome.

I believe it means that your Elasticsearch cluster has not started yet.
Try again.

If it doesn't work, share your Elasticsearch logs.

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[Sunil_Bhakar]

Thanks for your reply,
I have 3 nodes in my cluster
node 1 master
node 2 master and data
node 3 data
the node 2 and node 3 working fine
I stopped the node 1 and start again the following error I am getting

[2022-02-01T23:01:51,590][WARN ][o.e.d.SeedHostsResolver ] [node1] failed to resolve host [node2]
java.net.UnknownHostException: node2
at java.net.InetAddress$CachedAddresses.get(InetAddress.java:800) ~[?:?]
at java.net.InetAddress.getAllByName0(InetAddress.java:1495) ~[?:?]
at java.net.InetAddress.getAllByName(InetAddress.java:1354) ~[?:?]
at java.net.InetAddress.getAllByName(InetAddress.java:1288) ~[?:?]
at org.Elasticsearch.transport.TcpTransport.parse(TcpTransport.java:532) ~[Elasticsearch-7.7.0.jar:7.7.0]
at org.Elasticsearch.transport.TcpTransport.addressesFromString(TcpTransport.java:474) ~[Elasticsearch-7.7.0.jar:7.7.0]
at org.Elasticsearch.transport.TransportService.addressesFromString(TransportService.java:822) ~[Elasticsearch-7.7.0.jar:7.7.0]
at org.Elasticsearch.discovery.SeedHostsResolver.lambda$resolveHostsLists$0(SeedHostsResolver.java:144) ~[Elasticsearch-7.7.0.jar:7.7.0]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
at org.Elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:633) ~[Elasticsearch-7.7.0.jar:7.7.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) [?:?]
at java.lang.Thread.run(Thread.java:832) [?:?]
[2022-02-01T23:01:51,687][INFO ][o.e.x.s.a.AuthenticationService] [node1] Authentication of [elastic] was terminated by realm [reserved] - failed to authenticate user [elastic]
[2022-02-01T23:01:51,796][INFO ][o.e.x.s.a.AuthenticationService] [node1] Authentication of [elastic] was terminated by realm [reserved] - failed to authenticate user [elastic]

[dadoonet (David Pilato)]

Please read this about how to format.

Here your machine does not know how to resolve node2.
You might need to use an IP address instead or add the node2 in your /etc/hosts...