# Master node Rejecting the data node request

**URL:** <https://discuss.elastic.co/t/master-node-rejecting-the-data-node-request/298168>\
**Category:** Elasticsearch\
**Created:** [February 24, 2022, 1:32pm UTC](https://discuss.elastic.co/t/master-node-rejecting-the-data-node-request/298168 "2022-02-24T13:32:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Arunkumar\_Chandran](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/arunkumar_chandran/32/98606_2.png) [@Arunkumar\_Chandran](https://discuss.elastic.co/u/Arunkumar_Chandran)\
**Post date:** [February 24, 2022, 1:32pm UTC](https://discuss.elastic.co/t/master-node-rejecting-the-data-node-request/298168/1 "2022-02-24T13:32:07Z")

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We are using Elasticsearch version 7.0 can someone pleasse help us to resolve this issue.

Error:

"error":{"root\_cause":[{"type":"master\_not\_discovered\_exception","reason":null}],"type":"master\_not\_discovered\_exception","reason":null},"status":503}

Master config file:

node.name: master  
node.master: true  
node.node: false  
network.host: 0.0.0.0  
http.port: 9200  
discovery.seed\_hosts: ["127.0.0.1", "10.132.0.98"]  
cluster.initial\_master\_nodes: ["master"]  
cloud.gce.project\_id: sport360-comandtv  
cloud.gce.zone: europe-west1-b  
discovery.zen.hosts\_provider: gce  
xpack.security.enabled: false

Data Node config file:

node.name: data-1  
node.master: false  
node.data: true  
network.host: 0.0.0.0  
transport.tcp.port: 9300  
discovery.seed\_hosts: ["127.0.0.1", "10.132.0.113"]  
cluster.initial\_master\_nodes: ["master"]  
cloud.gce.project\_id: sport360-comandtv  
cloud.gce.zone: europe-west1-b  
discovery.zen.hosts\_provider: gce  
xpack.security.enabled: false

Error in Master node:

[master] failed to validate incoming join request from node [{data-1}{eOj2OtQ0QE663Ts1Qmx\_xg}{awRkr2mNSEenNkJRJpetCQ}{10.132.0.98}{10.132.0.98:9300}{ml.machine\_memory=4114259968, ml.max\_open\_jobs=20, xpack.installed=true}]  
org.Elasticsearch.transport.RemoteTransportException: [data-1][10.132.0.98:9300][internal:cluster/coordination/join/validate]  
Caused by: org.Elasticsearch.cluster.coordination.CoordinationStateRejectedException: join validation on cluster state with a different cluster uuid Z8JHa3BBTJK-UQzowgdS5g than local cluster uuid o8Z4PrntRxKApbtBDUm1Ww, rejecting

Error in data node:

] [data-1] failed to join {master}{JJZ10gycSEemYFn08RDbMQ}{LHgYyHolQxOlvCh5WzoO4w}{10.132.0.113}{10.132.0.113:9300}{ml.machine\_memory=4114276352, ml.max\_open\_jobs=20, xpack.installed=true} with JoinRequest{sourceNode={data-1}{eOj2OtQ0QE663Ts1Qmx\_xg}{awRkr2mNSEenNkJRJpetCQ}{10.132.0.98}{10.132.0.98:9300}{ml.machine\_memory=4114259968, xpack.installed=true, ml.max\_open\_jobs=20}, optionalJoin=Optional[Join{term=27, lastAcceptedTerm=5, lastAcceptedVersion=26, sourceNode={data-1}{eOj2OtQ0QE663Ts1Qmx\_xg}{awRkr2mNSEenNkJRJpetCQ}{10.132.0.98}{10.132.0.98:9300}{ml.machine\_memory=4114259968, xpack.installed=true, ml.max\_open\_jobs=20}, targetNode={master}{JJZ10gycSEemYFn08RDbMQ}{LHgYyHolQxOlvCh5WzoO4w}{10.132.0.113}{10.132.0.113:9300}{ml.machine\_memory=4114276352, ml.max\_open\_jobs=20, xpack.installed=true}}]}  
org.Elasticsearch.transport.RemoteTransportException: [master][10.132.0.113:9300][internal:cluster/coordination/join]  
Caused by: java.lang.IllegalStateException: failure when sending a validation request to node.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 24, 2022, 1:33pm UTC](https://discuss.elastic.co/t/master-node-rejecting-the-data-node-request/298168/2 "2022-02-24T13:33:39Z")

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Elasticsearch version 7.0 is [EOL](https://www.elastic.co/support/eol) and no longer supported. Please upgrade ASAP.

(This is an automated response from your friendly Elastic bot. Please report this post if you have any suggestions or concerns :elasticheart: )

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 24, 2022, 1:33pm UTC](https://discuss.elastic.co/t/master-node-rejecting-the-data-node-request/298168/3 "2022-03-24T13:33:56Z")

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