https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88164#M36522 <P>Hi All - We restarted cloudera manager today with a change in mysql database. we see connnection refused</P><P>exceptions on all agent logs and cloudera manager as in below screenshot.Why this happens ?</P><P>&nbsp;</P><P>&nbsp;<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cm error.PNG" style="width: 600px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/5428i8D4118B834B12FE4/image-size/large?v=v2&amp;px=999" role="button" title="cm error.PNG" alt="cm error.PNG" /></span></P> Fri, 22 Mar 2019 18:09:07 GMT IVenkatesh 2019-03-22T18:09:07Z https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88164#M36522 <P>Hi All - We restarted cloudera manager today with a change in mysql database. we see connnection refused</P><P>exceptions on all agent logs and cloudera manager as in below screenshot.Why this happens ?</P><P>&nbsp;</P><P>&nbsp;<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cm error.PNG" style="width: 600px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/5428i8D4118B834B12FE4/image-size/large?v=v2&amp;px=999" role="button" title="cm error.PNG" alt="cm error.PNG" /></span></P> Fri, 22 Mar 2019 18:09:07 GMT https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88164#M36522 IVenkatesh 2019-03-22T18:09:07Z https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88227#M36523 <P>Hi&nbsp;<a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/32992">@IVenkatesh</a>,</P><P>&nbsp;</P><P>Can you paste any logs from some services?</P><P>&nbsp;</P><P>All your services are stopped.</P><P>&nbsp;</P><P>Regards,</P><P>Manu.</P> Mon, 25 Mar 2019 12:12:25 GMT https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88227#M36523 manuroman 2019-03-25T12:12:25Z https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88331#M36524 <P>restarting cloudera agents on all nodes and by deleting guid files solved the issue , thank you.</P> Wed, 27 Mar 2019 11:16:31 GMT https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88331#M36524 IVenkatesh 2019-03-27T11:16:31Z https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88406#M36525 <P>Happy to hear the issue is resolved! Just for completeness, did you delete&nbsp;/var/lib/cloudera-scm-agent/cm_guid on the cluster nodes?</P> Thu, 28 Mar 2019 15:53:28 GMT https://community.cloudera.com/t5/Support-Questions/Connection-refused-exceptions-on-cloudera-agents-service-and/m-p/88406#M36525 gzigldrum 2019-03-28T15:53:28Z