Hi Sunil,

Thanks for reply. Q. Are you pointing to below line from point 6 to be similar 
with url you have given (in Troubleshooting, under section: Server not coming 
up because of file corruption)?

ov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: java.io.EOFException

Q. `Clear all logs` - you mean to say delete all files from `datadir/version-2 
and datalogdir/version-2/`? 
If yes, is it safe to delete them. Do we require them later ?

the url says,
`make sure all the other servers in your ensemble are up and working. Use 
"stat" command on the command port to see if they are in good health`.

Q. Is below command correct to verify good health ?
#  echo stat | nc localhost 2181 

Q. Can you please let me know where can I set zookeeper logs for verbose mode 
for debugging the issue? 

Thanks,

On 2020/11/22 01:26:52, sunil chaudhari <sunilmchaudhar...@gmail.com> wrote: 
> Hi,
> Please check if it helps:
> http://zookeeper.apache.org/doc/r3.4.5/zookeeperAdmin.html#sc_supportedPlatforms
> 
> You have similar symptoms in point 6 in your original email.
> 
> Try running it manually with below steps:
> Clear all logs
> Start zookeeper manually, watch logs for any error. Rectify it referring
> above link.
> Start kafka manually. Watch info/error logs.
> Then try to list topics.
> 
> Regards,
> Sunil.
> 
> 
> On Sat, 21 Nov 2020 at 10:16 PM, prat 007 <pratkul...@gmail.com> wrote:
> 
> > Hi Team,
> >
> > I am running ansible to install elk on one server. (on Dev env, standalone
> > setup) but my playbook is getting failed at kafka role for task listing of
> > Kafka topics. Can you please help.
> > below are the logs.
> >
> > 1.
> > playbook getting failed with error: -
> > ```
> > TASK [kafka : Kafka Topics | List topics]
> > ******************************************************************************************************************************
> > fatal: [kafka_1]: FAILED! => {
> >     "changed": false,
> >     "cmd": [
> >         "/opt/kafka/kafka_2.12-2.2.2/bin/kafka-topics.sh",
> >         "--zookeeper",
> >         "<FQDN>:5181",
> >         "--list"
> >     ],
> >     "delta": "0:00:34.084478",
> >     "end": "2020-11-19 22:33:42.624353",
> >     "rc": 1,
> >     "start": "2020-11-19 22:33:08.539875"
> > }
> >
> > STDERR:
> >
> > Exception in thread "main"
> > kafka.zookeeper.ZooKeeperClientTimeoutException: Timed out waiting for
> > connection while in state: CONNECTING
> >         at
> > kafka.zookeeper.ZooKeeperClient.$anonfun$waitUntilConnected$3(ZooKeeperClient.scala:242)
> >         at
> > scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
> >         at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:251)
> >         at
> > kafka.zookeeper.ZooKeeperClient.waitUntilConnected(ZooKeeperClient.scala:238)
> >         at kafka.zookeeper.ZooKeeperClient.<init>(ZooKeeperClient.scala:96)
> >         at kafka.zk.KafkaZkClient$.apply(KafkaZkClient.scala:1825)
> > ```
> >
> > 2. Getting same error when run command manually which playbook is trying
> > to run.
> >
> > ```
> > /opt/kafka/kafka_2.12-2.2.2/bin/kafka-topics.sh --zookeeper <ip of
> > localhost>:5181 --list
> >
> > Exception in thread "main"
> > kafka.zookeeper.ZooKeeperClientTimeoutException: Timed out waiting for
> > connection while in state: CONNECTING
> >         at
> > kafka.zookeeper.ZooKeeperClient.$anonfun$waitUntilConnected$3(ZooKeeperClient.scala:242)
> >         at
> > scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
> >         at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:251)
> >         at
> > kafka.zookeeper.ZooKeeperClient.waitUntilConnected(ZooKeeperClient.scala:238)
> >         at kafka.zookeeper.ZooKeeperClient.<init>(ZooKeeperClient.scala:96)
> >         at kafka.zk.KafkaZkClient$.apply(KafkaZkClient.scala:1825)
> >         at
> > kafka.admin.TopicCommand$ZookeeperTopicService$.apply(TopicCommand.scala:262)
> >         at kafka.admin.TopicCommand$.main(TopicCommand.scala:53)
> >         at kafka.admin.TopicCommand.main(TopicCommand.scala)
> > ```
> >
> > 3. both Kafka and zookeeper are failed and not getting started.
> >
> > ```
> > systemctl status  kafka.service -l
> > ● kafka.service
> >    Loaded: loaded (/etc/systemd/system/kafka.service; enabled; vendor
> > preset: disabled)
> >    Active: failed (Result: exit-code) since Thu 2020-11-19 22:33:17 IST;
> > 5min ago
> >   Process: 5448
> > ExecStop=/opt/kafka/kafka_2.12-2.2.2/bin/kafka-server-stop.sh (code=exited,
> > status=1/FAILURE)
> >   Process: 4742 ExecStart=/bin/sh -c
> > /opt/kafka/kafka_2.12-2.2.2/bin/kafka-server-start.sh
> > /opt/kafka/kafka_2.12-2.2.2/config/server.properties >
> > /opt/kafka/kafka_2.12-2.2.2/kafka.log 2>&1 (code=exited, status=1/FAILURE)
> >  Main PID: 4742 (code=exited, status=1/FAILURE)
> >
> > Nov 19 22:33:08 <HOSTNAME> systemd[1]: Started kafka.service.
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: kafka.service: main process exited,
> > code=exited, status=1/FAILURE
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: kafka.service: control process
> > exited, code=exited status=1
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: Unit kafka.service entered failed
> > state.
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: kafka.service failed.
> >
> >
> >  systemctl status  zookeeper.service  -l
> > ● zookeeper.service
> >    Loaded: loaded (/etc/systemd/system/zookeeper.service; enabled; vendor
> > preset: disabled)
> >    Active: failed (Result: exit-code) since Thu 2020-11-19 22:33:09 IST;
> > 5min ago
> >   Process: 5281
> > ExecStop=/opt/kafka/kafka_2.12-2.2.2/bin/zookeeper-server-stop.sh
> > (code=exited, status=1/FAILURE)
> >   Process: 4448
> > ExecStart=/opt/kafka/kafka_2.12-2.2.2/bin/zookeeper-server-start.sh
> > /opt/kafka/kafka_2.12-2.2.2/config/zookeeper.properties (code=exited,
> > status=1/FAILURE)
> >  Main PID: 4448 (code=exited, status=1/FAILURE)
> >
> > Nov 19 22:33:08 zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.NIOServerCnxnFactory.startup(NIOServerCnxnFactory.java:118)
> > Nov 19 22:33:08 zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:122)
> > Nov 19 22:33:08 zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:89)
> > Nov 19 22:33:08 zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:55)
> > Nov 19 22:33:08 zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:119)
> > Nov 19 22:33:08 zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:81)
> > Nov 19 22:33:09 systemd[1]: zookeeper.service: main process exited,
> > code=exited, status=1/FAILURE
> > Nov 19 22:33:09  systemd[1]: zookeeper.service: control process exited,
> > code=exited status=1
> > Nov 19 22:33:09  systemd[1]: Unit zookeeper.service entered failed state.
> > Nov 19 22:33:09  systemd[1]: zookeeper.service failed.
> > ```
> >
> > 4. therefore unable to do telnet or netstat
> >
> > telnet  <ip og localhost> 5181
> > Trying 10..
> > telnet: connect to address <ip of localhost>: Connection refused
> >
> > netstat  -tnlp |grep 5181
> > No output
> >
> > No Iptables or SELinux is running.
> >
> > 5. output of  /opt/kafka/kafka_2.12-2.2.2/kafka.log
> >
> > [2020-11-19 22:33:09,853] INFO Registered kafka:type=kafka.Log4jController
> > MBean (kafka.utils.Log4jControllerRegistration$)
> > [2020-11-19 22:33:10,584] INFO starting (kafka.server.KafkaServer)
> > [2020-11-19 22:33:10,585] INFO Connecting to zookeeper on <ip of
> > localhost>:5181 (kafka.server.KafkaServer)
> > [2020-11-19 22:33:10,640] INFO [ZooKeeperClient] Initializing a new
> > session to <ip of localhost>:5181. (kafka.zookeeper.ZooKeeperClient)
> > [2020-11-19 22:33:10,646] INFO Client
> > environment:zookeeper.version=3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03,
> > built on 06/29/2018 00:39 GMT (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,646] INFO Client environment:host.name=<FQDN>
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,646] INFO Client environment:java.version=1.8.0_221
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,646] INFO Client environment:java.vendor=Oracle
> > Corporation (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,646] INFO Client
> > environment:java.home=/opt/jre1.8.0_221 (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,646] INFO Client
> > environment:java.class.path=/opt/kafka/kafka_2.12-2.2.2/bin/../libs/activation-1.1.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/aopalliance-repackaged-2.5.0-b42.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/argparse4j-0.7.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/audience-annotations-0.5.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/commons-lang3-3.8.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/connect-api-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/connect-basic-auth-extension-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/connect-file-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/connect-json-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/connect-runtime-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/connect-transforms-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/guava-20.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/hk2-api-2.5.0-b42.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/hk2-locator-2.5.0-b42.jar:/opt/kafka/ka
> >
> >  
> > fka_2.12-2.2.2/bin/../libs/hk2-utils-2.5.0-b42.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jackson-annotations-2.10.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jackson-core-2.10.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jackson-databind-2.10.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jackson-datatype-jdk8-2.10.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jackson-jaxrs-base-2.10.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jackson-jaxrs-json-provider-2.10.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jackson-module-jaxb-annotations-2.10.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jakarta.activation-api-1.2.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jakarta.xml.bind-api-2.3.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javassist-3.22.0-CR2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.annotation-api-1.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.inject-1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.inject-2.5.0-b42.jar:/opt/kafka/kafka_2.12-2.2.2/bi
 n/..
> >
> >  
> > /libs/javax.servlet-api-3.1.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.ws.rs-api-2.1.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/
> > javax.ws
> > .rs-api-2.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jaxb-api-2.3.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-client-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-common-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-container-servlet-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-container-servlet-core-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-hk2-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-media-jaxb-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-server-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-client-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-continuation-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-http-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-io-9.4.14.v20181114.jar:/opt/kafk
> >
> >  
> > a/kafka_2.12-2.2.2/bin/../libs/jetty-security-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-server-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-servlet-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-servlets-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-util-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jopt-simple-5.0.4.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka_2.12-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka_2.12-2.2.2-sources.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-clients-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-log4j-appender-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-streams-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-streams-examples-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-streams-scala_2.12-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-streams-test-utils-2.2.2.jar:/opt/kafka/kafk
 a_2.
> >
> >  
> > 12-2.2.2/bin/../libs/kafka-tools-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/log4j-1.2.17.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/lz4-java-1.5.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/maven-artifact-3.6.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/metrics-core-2.2.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/osgi-resource-locator-1.0.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/plexus-utils-3.1.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/reflections-0.9.11.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/rocksdbjni-5.15.10.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/scala-library-2.12.8.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/scala-logging_2.12-3.9.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/scala-reflect-2.12.8.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/slf4j-api-1.7.25.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/slf4j-log4j12-1.7.25.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/snappy-java-1.1.7.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/validation-api-1
 .1.0
> >  
> > .Final.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/zkclient-0.11.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/zookeeper-3.4.13.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/zstd-jni-1.3.8-1.jar
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,646] INFO Client
> > environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,646] INFO Client environment:java.io.tmpdir=/tmp
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,647] INFO Client environment:java.compiler=<NA>
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,647] INFO Client environment:os.name=Linux
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,647] INFO Client environment:os.arch=amd64
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,647] INFO Client
> > environment:os.version=3.10.0-1062.el7.x86_64
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,647] INFO Client environment:user.name=kafka
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,647] INFO Client environment:user.home=/home/kafka
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,647] INFO Client environment:user.dir=/
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,648] INFO Initiating client connection,
> > connectString=<ip of localhost>:5181 sessionTimeout=6000
> > watcher=kafka.zookeeper.ZooKeeperClient$ZooKeeperClientWatcher$@3c419631
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:10,667] INFO Opening socket connection to server
> > <FQDN>/<ip of localhost>:5181. Will not attempt to authenticate using SASL
> > (unknown error) (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:10,673] INFO Socket error occurred: <FQDN>/<ip of
> > localhost>:5181: Connection refused (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:10,676] INFO [ZooKeeperClient] Waiting until connected.
> > (kafka.zookeeper.ZooKeeperClient)
> > [2020-11-19 22:33:11,796] INFO Opening socket connection to server
> > <FQDN>/<ip of localhost>:5181. Will not attempt to authenticate using SASL
> > (unknown error) (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:11,797] INFO Socket error occurred: <FQDN>/<ip of
> > localhost>:5181: Connection refused (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:12,897] INFO Opening socket connection to server
> > <FQDN>/<ip of localhost>:5181. Will not attempt to authenticate using SASL
> > (unknown error) (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:12,898] INFO Socket error occurred: <FQDN>/<ip of
> > localhost>:5181: Connection refused (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:13,999] INFO Opening socket connection to server
> > <FQDN>/<ip of localhost>:5181. Will not attempt to authenticate using SASL
> > (unknown error) (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:13,999] INFO Socket error occurred: <FQDN>/<ip of
> > localhost>:5181: Connection refused (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:15,101] INFO Opening socket connection to server
> > <FQDN>/<ip of localhost>:5181. Will not attempt to authenticate using SASL
> > (unknown error) (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:15,101] INFO Socket error occurred: <FQDN>/<ip of
> > localhost>:5181: Connection refused (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:16,202] INFO Opening socket connection to server
> > <FQDN>/<ip of localhost>:5181. Will not attempt to authenticate using SASL
> > (unknown error) (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:16,202] INFO Socket error occurred: <FQDN>/<ip of
> > localhost>:5181: Connection refused (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:16,678] INFO [ZooKeeperClient] Closing.
> > (kafka.zookeeper.ZooKeeperClient)
> > [2020-11-19 22:33:17,303] INFO Opening socket connection to server
> > <FQDN>/<ip of localhost>:5181. Will not attempt to authenticate using SASL
> > (unknown error) (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:17,406] INFO Session: 0x0 closed
> > (org.apache.zookeeper.ZooKeeper)
> > [2020-11-19 22:33:17,407] INFO EventThread shut down for session: 0x0
> > (org.apache.zookeeper.ClientCnxn)
> > [2020-11-19 22:33:17,409] INFO [ZooKeeperClient] Closed.
> > (kafka.zookeeper.ZooKeeperClient)
> > [2020-11-19 22:33:17,412] ERROR Fatal error during KafkaServer startup.
> > Prepare to shutdown (kafka.server.KafkaServer)
> > kafka.zookeeper.ZooKeeperClientTimeoutException: Timed out waiting for
> > connection while in state: CONNECTING
> >         at
> > kafka.zookeeper.ZooKeeperClient.$anonfun$waitUntilConnected$3(ZooKeeperClient.scala:242)
> >         at
> > scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
> >         at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:251)
> >         at
> > kafka.zookeeper.ZooKeeperClient.waitUntilConnected(ZooKeeperClient.scala:238)
> >         at kafka.zookeeper.ZooKeeperClient.<init>(ZooKeeperClient.scala:96)
> >         at kafka.zk.KafkaZkClient$.apply(KafkaZkClient.scala:1825)
> >         at kafka.server.KafkaServer.createZkClient$1(KafkaServer.scala:361)
> >         at kafka.server.KafkaServer.initZkClient(KafkaServer.scala:385)
> >         at kafka.server.KafkaServer.startup(KafkaServer.scala:205)
> >         at
> > kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:38)
> >         at kafka.Kafka$.main(Kafka.scala:75)
> >         at kafka.Kafka.main(Kafka.scala)
> > [2020-11-19 22:33:17,415] INFO shutting down (kafka.server.KafkaServer)
> > [2020-11-19 22:33:17,422] INFO shut down completed
> > (kafka.server.KafkaServer)
> > [2020-11-19 22:33:17,422] ERROR Exiting Kafka.
> > (kafka.server.KafkaServerStartable)
> > [2020-11-19 22:33:17,426] INFO shutting down (kafka.server.KafkaServer)
> >
> > 6. /var/log/messages
> >
> > Nov 19 18:16:07 <HOSTNAME> ansible-command: Invoked with creates=None
> > executable=None _uses_shell=False strip_empty_ends=True
> > _raw_params=/opt/kafka/kafka_
> > 2.12-2.2.2/bin/kafka-topics.sh --zookeeper <FQDN>:5181 --list removes=None
> > argv=None warn=True chdir=None stdin_add_newline=True stdin=None
> > Nov 19 18:16:07 <HOSTNAME> ansible-command: Invoked with creates=None
> > executable=None _uses_shell=False strip_empty_ends=True
> > _raw_params=/opt/kafka/kafka_
> > 2.12-2.2.2/bin/kafka-topics.sh --zookeeper <FQDN>:5181 --list removes=None
> > argv=None warn=True chdir=None stdin_add_newline=True stdin=None
> > Nov 19 18:16:07 <HOSTNAME> ansible-command: Invoked with creates=None
> > executable=None _uses_shell=False strip_empty_ends=True
> > _raw_params=/opt/kafka/kafka_
> > 2.12-2.2.2/bin/kafka-topics.sh --zookeeper <FQDN>:5181 --list removes=None
> > argv=None warn=True chdir=None stdin_add_newline=True stdin=None
> > Nov 19 18:16:07 <HOSTNAME> heartbeat:
> > 2020-11-19T18:16:07.941+0530#011INFO#011kafka/log.go:53#011client/metadata
> > fetching metadata for [heartbeat] from bro
> > ker <ip of localhost>:3997
> > <ip of localhost>:3997: connect: connection refused
> > 19T18:16:07.942+0530#011INFO#011kafka/log.go:53#011client/metadata got
> > error from broker -1 while fetching me
> > tadata: dial tcp <ip of localhost>:3997: connect: connection refused
> > Nov 19 18:16:07 <HOSTNAME> heartbeat:
> > 2020-11-19T18:16:07.942+0530#011INFO#011kafka/log.go:53#011kafka message:
> > client/metadata no available broker to send
> >  metadata request to
> > Nov 19 18:16:07 <HOSTNAME> heartbeat:
> > 2020-11-19T18:16:07.942+0530#011INFO#011[publisher]#011pipeline/retry.go:155#011Drop
> > batch
> > Nov 19 18:16:07 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:07,962] INFO Reading configuration from:
> > /opt/kafka/kafka_2.12-2.2.2/config/zookeep
> > er.properties (org.apache.zookeeper.server.quorum.QuorumPeerConfig)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,009] INFO Resolved hostname: <FQDN> to address: <FQDN>/<ip of
> > localhost> (org.apache.zookeeper.server.quorum.QuorumPeer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,009] ERROR Invalid configuration, only one server specified
> > (ignoring) (org.apac
> > he.zookeeper.server.quorum.QuorumPeerConfig)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,011] INFO autopurge.snapRetainCount set to 3
> > (org.apache.zookeeper.server.Datadi
> > rCleanupManager)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,011] INFO autopurge.purgeInterval set to 0
> > (org.apache.zookeeper.server.DatadirC
> > leanupManager)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,011] INFO Purge task is not scheduled.
> > (org.apache.zookeeper.server.DatadirCleanupManager)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,011] WARN Either no config or no quorum defined in config,
> > running  in standalone mode
> > (org.apache.zookeeper.server.quorum.QuorumPeerMain
> >
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,027] INFO Reading configuration from:
> > /opt/kafka/kafka_2.12-2.2.2/config/zookeeper.properties
> > (org.apache.zookeeper.server.quorum.QuorumPeerConfig)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,027] INFO Resolved hostname: <FQDN> to address: <FQDN>/<ip of
> > localhost> (org.apache.zookeeper.server.quorum.QuorumPeer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,027] ERROR Invalid configuration, only one server specified
> > (ignoring) (org.apache.zookeeper.server.quorum.QuorumPeerConfig)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,027] INFO Starting server
> > (org.apache.zookeeper.server.ZooKeeperServerMain)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,033] INFO Server
> > environment:zookeeper.version=3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03,
> > built on 06/29/2018 00:39 GMT (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,033] INFO Server environment:host.name=<FQDN>
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,033] INFO Server environment:java.version=1.8.0_221
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,033] INFO Server environment:java.vendor=Oracle Corporation
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,033] INFO Server environment:java.home=/opt/jre1.8.0_221
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,033] INFO Server
> > environment:java.class.path=/opt/kafka/kafka_2.12-2.2.2/bin/../libs/activation-1.1.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/aopalliance-repackaged-2.5.0-2.3.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javassist-3.22.0-CR2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.annotation-api-1.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.inject-1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.inject-2.5.0-b42.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.servlet-api-3.1.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.ws.rs-api-2.1.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/javax.ws.rs-api-2.1.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jaxb-api-2.3.0.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-client-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-common-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-container-servlet-2.27.jar:/opt/kafka/kafka_2.12
> >
> >  
> > -2.2.2/bin/../libs/jersey-container-servlet-core-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-hk2-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-media-jaxb-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jersey-server-2.27.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-client-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-continuation-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jetty-util-9.4.14.v20181114.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/jopt-simple-5.0.4.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka_2.12-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka_2.12-2.2.2-sources.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-clients-2.2.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/kafka-log4j-appender-2.2.2.jar:
> > 2.2.2/bin/../libs/slf4j-log4j12-1.7.25.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/snappy-java-1.1.7.2.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/validation-api-1.1.0.Final.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/zkclient-0.11.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/zookeeper-3.4.13.jar:/opt/kafka/kafka_2.12-2.2.2/bin/../libs/zstd-jni-1.3.8-1.jar
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server
> > environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:java.io.tmpdir=/tmp
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:java.compiler=<NA>
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:os.name=Linux
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:os.arch=amd64
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:os.version=3.10.0-1062.el7.x86_64
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:user.name=kafka
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:user.home=/home/kafka
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,034] INFO Server environment:user.dir=/
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,043] INFO tickTime set to 3000
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,043] INFO minSessionTimeout set to -1
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,044] INFO maxSessionTimeout set to -1
> > (org.apache.zookeeper.server.ZooKeeperServer)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,049] INFO Using org.apache.zookeeper.server.NIOServerCnxnFactory
> > as server connection factory (org.apache.zookeeper.server.ServerCnxnFactory)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,054] INFO binding to port 0.0.0.0/0.0.0.0:5181
> > (org.apache.zookeeper.server.NIOServerCnxnFactory)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: [2020-11-19
> > 18:16:08,131] ERROR Unexpected exception, exiting abnormally
> > (org.apache.zookeeper.server.ZooKeeperServerMain)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: java.io.EOFException
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > java.io.DataInputStream.readInt(DataInputStream.java:392)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.persistence.FileHeader.deserialize(FileHeader.java:66)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.inStreamCreated(FileTxnLog.java:585)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.createInputArchive(FileTxnLog.java:604)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.goToNextLog(FileTxnLog.java:570)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.persistence.FileTxnLog$FileTxnIterator.next(FileTxnLog.java:650)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.persistence.FileTxnSnapLog.fastForwardFromEdits(FileTxnSnapLog.java:219)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:176)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:217)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.ZooKeeperServer.loadData(ZooKeeperServer.java:284)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.ZooKeeperServer.startdata(ZooKeeperServer.java:407)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.NIOServerCnxnFactory.startup(NIOServerCnxnFactory.java:118)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:122)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:89)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:55)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:119)
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-start.sh: at
> > org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:81)
> > Nov 19 18:16:08 <HOSTNAME> systemd: zookeeper.service: main process
> > exited, code=exited, status=1/FAILURE
> > Nov 19 18:16:08 <HOSTNAME> zookeeper-server-stop.sh: No zookeeper server
> > to stop
> > Nov 19 18:16:08 <HOSTNAME> systemd: zookeeper.service: control process
> > exited, code=exited status=1
> > Nov 19 18:16:08 <HOSTNAME> systemd: Unit zookeeper.service entered failed
> > state.
> > Nov 19 18:16:08 <HOSTNAME> systemd: zookeeper.service failed.
> >
> > 7. config file -
> >
> > **/opt/kafka/kafka_2.12-2.2.2/config/server.properties**
> >
> > broker.id=1
> > advertised.listeners=PLAINTEXT://hostname of localhost:3997
> > listeners=PLAINTEXT://hostname of localhost:3997
> >
> > delete.topic.enable=true
> > auto.create.topics.enable=True
> > offsets.topic.replication.factor=1
> >
> > # The number of threads handling network requests
> > num.network.threads=3
> >
> > # The number of threads doing disk I/O
> > num.io.threads=6
> >
> > # The send buffer (SO_SNDBUF) used by the socket server
> > #socket.send.buffer.bytes=102400
> >
> > # The receive buffer (SO_RCVBUF) used by the socket server
> > #socket.receive.buffer.bytes=102400
> >
> > # The maximum size of a request that the socket server will accept
> > (protection against OOM)
> > #socket.request.max.bytes=104857600
> >
> > # A comma seperated list of directories under which to store log files
> > log.dirs=/var/log/kafka
> >
> > # The default number of log partitions per topic.
> > num.partitions=3
> >
> > # Default Replication Factor
> > default.replication.factor=1
> >
> > # The minimum age of a log file to be eligible for deletion
> > log.retention.hours=168
> >
> > # A size-based retention policy for logs. Segments are pruned from the log
> > as long as the remaining
> > # segments don't drop below log.retention.bytes.
> > #log.retention.bytes=1073741824
> >
> > # The maximum size of a log segment file. When this size is reached a new
> > log segment will be created.
> > log.segment.bytes=1073741824
> >
> > # The interval at which log segments are checked to see if they can be
> > deleted according
> > # to the retention policies
> > log.retention.check.interval.ms=300000
> >
> > zookeeper.connect= <ip of localhost>:5181
> > zookeeper.connection.timeout.ms=6000
> >
> >
> >  **/opt/kafka/kafka_2.12-2.2.2/config/zookeeper.properties**
> >
> > # clientPortBindAddress=localhost
> > clientPort=5181
> >
> > dataDir=/var/data/zookeeper
> > dataLogDir=/var/data/logs/zookeeper
> > maxClientCnxns=0
> >
> > # time for inital synchronization
> > initLimit=10
> > # how many ticks can pass before timeout
> > syncLimit=5
> >
> > server.1=<hostname of localhost>:2888:3888
> >
> > 8.
> >
> > journalctl -fu zookeeper
> > -- Logs begin at Thu 2020-11-19 01:05:17 IST. --
> > Nov 19 22:33:08 <HOSTNAME> zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.NIOServerCnxnFactory.startup(NIOServerCnxnFactory.java:118)
> > Nov 19 22:33:08 <HOSTNAME> zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:122)
> > Nov 19 22:33:08 <HOSTNAME> zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:89)
> > Nov 19 22:33:08 <HOSTNAME> zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:55)
> > Nov 19 22:33:08 <HOSTNAME> zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:119)
> > Nov 19 22:33:08 <HOSTNAME> zookeeper-server-start.sh[4448]: at
> > org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:81)
> > Nov 19 22:33:09 <HOSTNAME> systemd[1]: zookeeper.service: main process
> > exited, code=exited, status=1/FAILURE
> > Nov 19 22:33:09 <HOSTNAME> systemd[1]: zookeeper.service: control process
> > exited, code=exited status=1
> > Nov 19 22:33:09 <HOSTNAME> systemd[1]: Unit zookeeper.service entered
> > failed state.
> > Nov 19 22:33:09 <HOSTNAME> systemd[1]: zookeeper.service failed.
> >
> > journalctl -fu kafka.service
> > -- Logs begin at Thu 2020-11-19 01:05:17 IST. --
> > Nov 19 22:23:30 <HOSTNAME> systemd[1]: Started kafka.service.
> > Nov 19 22:23:40 <HOSTNAME> systemd[1]: kafka.service: main process exited,
> > code=exited, status=1/FAILURE
> > Nov 19 22:23:40 <HOSTNAME> systemd[1]: kafka.service: control process
> > exited, code=exited status=1
> > Nov 19 22:23:40 <HOSTNAME> systemd[1]: Unit kafka.service entered failed
> > state.
> > Nov 19 22:23:40 <HOSTNAME> systemd[1]: kafka.service failed.
> > Nov 19 22:33:08 <HOSTNAME> systemd[1]: Started kafka.service.
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: kafka.service: main process exited,
> > code=exited, status=1/FAILURE
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: kafka.service: control process
> > exited, code=exited status=1
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: Unit kafka.service entered failed
> > state.
> > Nov 19 22:33:17 <HOSTNAME> systemd[1]: kafka.service failed.
> >
> > this is the single server where everything is installed of elk along with
> > tomcat etc.. so I have stopped other services like tomcat for better
> > resource management. hope resource crunch is not the issue.
> >
> > free -g
> > total used free shared buff/cache available
> > Mem: 15 7 6 0 1 7
> > Swap: 3 0 3
> >
> > Thanks,
> >
> 

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