Kibana and custom-es exporter cannot connect to Elastic search

[harsh9 (harshit anand)]

I cannot connect to my es from my kibana pod and my custom-es-exporter pod, the error which is thrown is

Version of elastic search we are using is 7.7.1

Error from the custom-es-exporter logs

[warkolm (Mark Walkom)]

Welcome to our community!

Please don't post pictures of text, they are difficult to read, impossible to search and replicate (if it's code), and some people may not be even able to see them

[harsh9 (harshit anand)]

here is the text form of the above screenshot

{"type":"log","@timestamp":"2021-05-11T03:35:18Z","tags":["warning","elasticsearch","data"],"pid":6,"message":"No living connections"}

{"type":"log","@timestamp":"2021-05-11T03:35:18Z","tags":["warning","plugins","licensing"],"pid":6,"message":"License information could not be obtained from Elasticsearch due to Error: No Living connections error"}
{"type":"log","@timestamp":"2021-05-11T03:35:19Z","tags":["warning","elasticsearch","admin"],"pid":6,"message":"Unable to revive connection: http://k8s-efk-es-data.kube-system.svc.cluster.local.:9200/"}
{"type":"log","@timestamp":"2021-05-11T03:35:19Z","tags":["warning","elasticsearch","admin"],"pid":6,"message":"No living connections"}

[harsh9 (harshit anand)]

"stacktrace": ["org.elasticsearch.transport.RemoteTransportException: [k8s-efk-es-master-0][10.4.27.130:9300][internal:cluster/coordination/join]",
"Caused by: org.elasticsearch.transport.ConnectTransportException: [k8s-efk-es-data-1][127.0.0.1:9300] handshake failed. unexpected remote node {k8s-efk-es-master-0}{0ltsBYReSH-vMGFmB9sOKw}{J1mWbTfXSniNsR9kTeB0Xw}{10.4.27.130}{10.4.27.130:9300}{mr}{xpack.installed=true, transform.node=false}", ```


Getting this in the data nodes logs