https://community.cloudera.com/t5/Support-Questions/ZOOKEEPER-CHECK-FAILED/m-p/242437#M204238 <P><A rel="user" href="https://community.cloudera.com/users/113056/adilbakkourigi.html" nodeid="113056">@Adil BAKKOURI</A></P><P>Your Zookeeper process command output shows the log name something like following:</P><PRE>root@RHBigData1:~# ps -ef | grep -i zookeeper . . -Dzookeeper.log.file=zookeeper-zookeeper-server-RHBigData1.log</PRE><P><BR /></P><P>.</P><P><STRONG>I doubt that your Zookeeper Hostname might not be correct.</STRONG></P><P>Usually the zookeeper log file name is generated based on the FQDN of the node. So if your Zookeeper FQDN is correctly set then it should be showing something like following:</P><PRE># hostname -f master.rh.bigdata.cluster</PRE><P>.</P><P>So please verify of your Zookeeper host has the FQDN setup correctly and then restart the Zookeeper after fixing the FQDN. Later you should see the zookeeper log file name something like <STRONG>"zookeeper-zookeeper-server-master.rh.bigdata.cluster.log"</STRONG></P> Fri, 14 Jun 2019 15:24:34 GMT jsensharma 2019-06-14T15:24:34Z