https://community.cloudera.com/t5/Support-Questions/Oozie-server-is-getting-in-bad-health-OOZIE-SERVER-WEB/m-p/61905#M37226 How much heap does Oozie has? Have you noticed GC hangs in the Oozie server. That might hang the Oozie process and potentially causing the timeout on client connection from CM.<BR /><BR />Worth checking this to rule out. Thu, 16 Nov 2017 06:10:50 GMT EricL 2017-11-16T06:10:50Z