https://community.cloudera.com/t5/Archives-of-Support-Questions/Error-while-upgrade-hdf-3-1-2-to-3-2-0-heart-beat-lost/m-p/176179#M82962 <P>Hi <A rel="user" href="https://community.cloudera.com/users/87248/zyann95.html" nodeid="87248">@Zyann</A> ,</P><P>Heartbeat lost means ambari-agent is not connected to ambari-server.</P><P>can you see the status of ambari-agent on the problamatic host using the command : </P><PRE>[root@aanaik1 ~]# ambari-agent status Found ambari-agent PID: 3516 ambari-agent running.</PRE><P>If its not running you can start it.if its running, please see in </P><PRE>[root@aanaik1 ~]# tail -f /var/log/ambari-agent/ambari-agent.log</PRE><P>whether its able to send heartbeat to ambari-server or not.</P><P>Hope this helps you</P> Fri, 31 Aug 2018 09:13:47 GMT akhilsnaik 2018-08-31T09:13:47Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Error-while-upgrade-hdf-3-1-2-to-3-2-0-heart-beat-lost/m-p/176178#M82961 <P>ambari-server-check-database.log:</P><PRE>2018-08-31 09:44:15,482 WARN - Required config(s): registry-logsearch-conf is(are) not available for service REGISTRY with service config version 6 in cluster hdfcluster 2018-08-31 09:44:15,483 WARN - Required config(s): streamline-logsearch-conf is(are) not available for service STREAMLINE with service config version 7 in cluster hdfcluster 2018-08-31 09:44:15,483 WARN - Required config(s): nifi-logsearch-conf is(are) not available for service NIFI with service config version 13 in cluster hdfcluster</PRE><P>I followed '<A href="https://docs.hortonworks.com/HDPDocuments/HDF3/HDF-3.2.0/ambari-managed-hdf-upgrade/content/hdf-upgrade_the_hdf_management_pack.html" target="_blank">https://docs.hortonworks.com/HDPDocuments/HDF3/HDF-3.2.0/ambari-managed-hdf-upgrade/content/hdf-upgrade_the_hdf_management_pack.html</A>' to upgrade hdf. When I was going to upgrade on UI, I found all services unable to start. The ambari server host are 'heart beat lost',and other hosts are normal.</P> Tue, 21 Apr 2026 12:15:01 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Error-while-upgrade-hdf-3-1-2-to-3-2-0-heart-beat-lost/m-p/176178#M82961 zyann95 2026-04-21T12:15:01Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Error-while-upgrade-hdf-3-1-2-to-3-2-0-heart-beat-lost/m-p/176179#M82962 <P>Hi <A rel="user" href="https://community.cloudera.com/users/87248/zyann95.html" nodeid="87248">@Zyann</A> ,</P><P>Heartbeat lost means ambari-agent is not connected to ambari-server.</P><P>can you see the status of ambari-agent on the problamatic host using the command : </P><PRE>[root@aanaik1 ~]# ambari-agent status Found ambari-agent PID: 3516 ambari-agent running.</PRE><P>If its not running you can start it.if its running, please see in </P><PRE>[root@aanaik1 ~]# tail -f /var/log/ambari-agent/ambari-agent.log</PRE><P>whether its able to send heartbeat to ambari-server or not.</P><P>Hope this helps you</P> Fri, 31 Aug 2018 09:13:47 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Error-while-upgrade-hdf-3-1-2-to-3-2-0-heart-beat-lost/m-p/176179#M82962 akhilsnaik 2018-08-31T09:13:47Z