I have the same error.
$ kubectl get pods
capture the pod name:
$ kubectl logs wishful-uakari-sonarqube-59d759d49c-zwgks
2019.05.29 21:34:50 INFO app[o.s.a.AppFileSystem] Cleaning or creating temp directory /opt/sonarqube/temp
2019.05.29 21:34:50 INFO app[o.s.a.es.EsSettings] Elasticsearch listening on /127.0.0.1:9001
2019.05.29 21:34:50 INFO app[o.s.a.p.ProcessLauncherImpl] Launch process[[key=‘es’, ipcIndex=1, logFilenamePrefix=es]] from [/opt/sonarqube/elasticsearch]: /opt/sonarqube/elasticsearch/bin/elasticsearch
2019.05.29 21:34:50 INFO app[o.s.a.SchedulerImpl] Waiting for Elasticsearch to be up and running
2019.05.29 21:34:50 INFO app[o.e.p.PluginsService] no modules loaded
2019.05.29 21:34:50 INFO app[o.e.p.PluginsService] loaded plugin [org.elasticsearch.transport.Netty4Plugin]
2019.05.29 21:34:55 WARN app[o.s.a.p.AbstractProcessMonitor] Process exited with exit value [es]: 137
2019.05.29 21:34:55 INFO app[o.s.a.SchedulerImpl] Process [es] is stopped
2019.05.29 21:34:55 INFO app[o.s.a.SchedulerImpl] SonarQube is stopped
Hope someone has a good solution here.