question Re: ZOOKEEPER CHECK FAILED in Support Questions

question Re: ZOOKEEPER CHECK FAILED in Support Questions https://community.cloudera.com/t5/Support-Questions/ZOOKEEPER-CHECK-FAILED/m-p/242436#M204237 hi <A rel="user" href="https://community.cloudera.com/users/3418/jsensharma.html" nodeid="3418">@Jay Kumar SenSharma</A>,thats the output of ps -ef | grep -i zookeeper from master.rh.bigdata.cluster : <PRE>root@RHBigData1:~# ps -ef | grep -i zookeeper root     11171 11148  0 09:58 pts/0    00:00:00 grep --color=auto -i zookeeper zookeep+ 17902     1  0 Jun13 ?        00:04:15 /usr/jdk64/jdk1.8.0_112/bin/java -Dzookeeper.log.dir=/var/log/zookeeper -Dzookeeper.log.file=zookeeper-zookeeper-server-RHBigData1.log -Dzookeeper.root.logger=INFO,ROLLINGFILE -cp /usr/hdp/current/zookeeper-server/bin/../build/classes:/usr/hdp/current/zookeeper-server/bin/../build/lib/*.jar:/usr/hdp/current/zookeeper-server/bin/../lib/slf4j-log4j12-1.6.1.jar:/usr/hdp/current/zookeeper-server/bin/../lib/slf4j-api-1.6.1.jar:/usr/hdp/current/zookeeper-server/bin/../lib/netty-3.10.5.Final.jar:/usr/hdp/current/zookeeper-server/bin/../lib/log4j-1.2.16.jar:/usr/hdp/current/zookeeper-server/bin/../lib/jline-0.9.94.jar:/usr/hdp/current/zookeeper-server/bin/../zookeeper-3.4.6.3.1.0.0-78.jar:/usr/hdp/current/zookeeper-server/bin/../src/java/lib/*.jar:/usr/hdp/current/zookeeper-server/conf::/usr/share/zookeeper/*:/usr/share/zookeeper/* -Xmx1024m -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=false org.apache.zookeeper.server.quorum.QuorumPeerMain /usr/hdp/current/zookeeper-server/conf/zoo.cfg</PRE> thats the output of root@RHBigData1:~# netstat -tnlpa | grep 2181 from master.rh.bigdata.cluster :<PRE>root@RHBigData1:~# netstat -tnlpa | grep 2181 tcp6       0      0 :::2181                 :::*                    LISTEN      17902/java tcp6       0      0 172.16.138.156:2181     172.16.138.156:59142    TIME_WAIT   -</PRE>i cant understand why the service iptable is not loaded : <PRE>root@RHBigData1:~# service iptables stop Failed to stop iptables.service: Unit iptables.service not loaded.</PRE> from another host "node4" which is my cluster master : <PRE>root@node4:~# telnet  master.rh.bigdata.cluster  2181 Trying 172.16.138.156... Connected to master.rh.bigdata.cluster. Escape character is '^]'. Connection closed by foreign host.</PRE><PRE>but when i try the manuel test, it still not working ! same error ! root@node4:~# /var/lib/ambari-agent/tmp/zkSmoke.sh /usr/hdp/current/zookeeper-client/bin/zkCli.sh ambari-qa /usr/hdp/current/zookeeper-client/conf 2181 False kinit no_keytab no_principal /var/lib/ambari-agent/tmp/zkSmoke.out zk_node1=master.rh.bigdata.cluster log4j:WARN No appenders could be found for logger (org.apache.zookeeper.ZooKeeper). log4j:WARN Please initialize the log4j system properly. log4j:WARN See <A href="http://logging.apache.org/log4j/1.2/faq.html#noconfig" target="_blank">http://logging.apache.org/log4j/1.2/faq.html#noconfig</A> for more info. Exception in thread "main" org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /zk_smoketest         at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)         at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)         at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:873)         at org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:708)         at org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:596)         at org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:368)         at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:328)         at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:287) log4j:WARN No appenders could be found for logger (org.apache.zookeeper.ZooKeeper). log4j:WARN Please initialize the log4j system properly. log4j:WARN See <A href="http://logging.apache.org/log4j/1.2/faq.html#noconfig" target="_blank">http://logging.apache.org/log4j/1.2/faq.html#noconfig</A> for more info. Exception in thread "main" org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /zk_smoketest         at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)         at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)         at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)         at org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:703)         at org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:596)         at org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:368)         at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:328)         at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:287) Running test on host master.rh.bigdata.cluster Connecting to master.rh.bigdata.cluster:2181 log4j:WARN No appenders could be found for logger (org.apache.zookeeper.ZooKeeper). log4j:WARN Please initialize the log4j system properly. log4j:WARN See <A href="http://logging.apache.org/log4j/1.2/faq.html#noconfig" target="_blank">http://logging.apache.org/log4j/1.2/faq.html#noconfig</A> for more info. Welcome to ZooKeeper! JLine support is enabled [zk: master.rh.bigdata.cluster:2181(CONNECTING) 0] get /zk_smoketest Exception in thread "main" org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /zk_smoketest         at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)         at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)         at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1155)         at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1184)         at org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:722)         at org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:596)         at org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:368)         at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:328)         at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:287) Connecting to master.rh.bigdata.cluster:2181 log4j:WARN No appenders could be found for logger (org.apache.zookeeper.ZooKeeper). log4j:WARN Please initialize the log4j system properly. log4j:WARN See <A href="http://logging.apache.org/log4j/1.2/faq.html#noconfig" target="_blank">http://logging.apache.org/log4j/1.2/faq.html#noconfig</A> for more info.</PRE> Fri, 14 Jun 2019 15:18:06 GMT adil_bakkouri_g 2019-06-14T15:18:06Z