ceastman-ibm opened a new issue #9496: druid management ui in kubernetes fails if more than one coordinator/overlord process URL: https://github.com/apache/druid/issues/9496 ### Affected Version 0.17.0 ### Description individual deployment/stateful set with seven replicas each of: historical/data coordinator/overlord broker/query ingress.yaml: apiVersion: extensions/v1beta1 kind: Ingress metadata: name: {{ template "name" . }} {{- with .Values.druid.ingress.annotations }} annotations: {{- . | toYaml | nindent 4 }} {{- end }} spec: tls: - hosts: - {{ .Values.druid.ingress.hostnameRegional | quote }} - {{ .Values.druid.ingress.hostnameGlobal | quote }} secretName: {{ template "name" . }}-global-ssl-secret rules: - host: {{ .Values.druid.ingress.hostnameRegional }} http: paths: - path: / backend: serviceName: druid-router servicePort: 8888 - path: /druid/v2/sql backend: serviceName: druid-broker servicePort: 8082 - path: /druid/coordinator backend: serviceName: druid-coordinator servicePort: 8081 - path: /druid/indexer backend: serviceName: druid-overlord servicePort: 8081 - host: {{ .Values.druid.ingress.hostnameGlobal }} http: paths: - path: / backend: serviceName: druid-router servicePort: 8888 - path: /druid/v2/sql backend: serviceName: druid-broker servicePort: 8082 - path: /druid/coordinator backend: serviceName: druid-coordinator servicePort: 8081 - path: /druid/indexer backend: serviceName: druid-overlord servicePort: 8081 <img width="1680" alt="Screen Shot 2020-03-10 at 9 55 36 AM" src="https://user-images.githubusercontent.com/25593207/76340220-3a0b7780-62c9-11ea-8763-96ff6ce586d5.png"> when looking at the browser diagnostics i see these two urls are returning 404s: 9:57 https://<<redacted>>/druid/coordinator/v1/isLeader https://<<redacted>>/druid/indexer/v1/isLeader when i scale the deployment of the coordinator/overlord to one replica the issue goes away. when i go directly to those two urls listed above it returns a json object: isLeader: false
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