Here are zookeeper logs:
**`===> ENV Variables ...`**
**`ALLOW_UNSIGNED=false`**
**`COMPONENT=zookeeper`**
**`CONFLUENT_DEB_VERSION=1`**
**`CONFLUENT_PLATFORM_LABEL=`**
**`CONFLUENT_SUPPORT_METRICS_ENABLE=false`**
**`CONFLUENT_VERSION=5.5.0`**
**`CUB_CLASSPATH=/etc/confluent/docker/docker-utils.jar`**
**`HOME=/root`**
**`HOSTNAME=9f3c3f3104d9`**
**`KAFKA_VERSION=`**
**`LANG=C.UTF-8`**
**`PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`**
**`PWD=/`**
**`PYTHON_PIP_VERSION=8.1.2`**
**`PYTHON_VERSION=2.7.9-1`**
**`SCALA_VERSION=2.12`**
**`SHLVL=1`**
**`ZOOKEEPER_CLIENT_PORT=2181`**
**`ZOOKEEPER_LOG4J_ROOT_LOGLEVEL=WARN`**
**`ZOOKEEPER_TOOLS_LOG4J_LOGLEVEL=WARN`**
**`ZULU_OPENJDK_VERSION=8=8.38.0.13`**
**`_=/usr/bin/env`**
**`===> User`**
**`uid=0(root) gid=0(root) groups=0(root)`**
**`===> Configuring ...`**
**`===> Running preflight checks ... `**
**`===> Check if /var/lib/zookeeper/data is writable ...`**
**`===> Check if /var/lib/zookeeper/log is writable ...`**
**`===> Launching ... `**
**`===> Launching zookeeper ... `**
**`[2021-02-09 17:24:21,329] WARN Either no config or no quorum defined in config, running in standalone mode (org.apache.zookeeper.server.quorum.QuorumPeerMain)`**
**`[2021-02-09 17:24:21,544] WARN o.e.j.s.ServletContextHandler@4d95d2a2{/,null,UNAVAILABLE} contextPath ends with /* (org.eclipse.jetty.server.handler.ContextHandler)`**
**`[2021-02-09 17:24:21,544] WARN Empty contextPath (org.eclipse.jetty.server.handler.ContextHandler)`**
**`[2021-02-09 17:24:21,730] WARN Exception causing close of session 0x0: ZooKeeperServer not running (org.apache.zookeeper.server.NIOServerCnxn)`**
**`===> ENV Variables ...`**
**`ALLOW_UNSIGNED=false`**
**`COMPONENT=zookeeper`**
**`CONFLUENT_DEB_VERSION=1`**
**`CONFLUENT_PLATFORM_LABEL=`**
**`CONFLUENT_SUPPORT_METRICS_ENABLE=false`**
**`CONFLUENT_VERSION=5.5.0`**
**`CUB_CLASSPATH=/etc/confluent/docker/docker-utils.jar`**
**`HOME=/root`**
**`HOSTNAME=9f3c3f3104d9`**
**`KAFKA_VERSION=`**
**`LANG=C.UTF-8`**
**`PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`**
**`PWD=/`**
**`PYTHON_PIP_VERSION=8.1.2`**
**`PYTHON_VERSION=2.7.9-1`**
**`SCALA_VERSION=2.12`**
**`SHLVL=1`**
**`ZOOKEEPER_CLIENT_PORT=2181`**
**`ZOOKEEPER_LOG4J_ROOT_LOGLEVEL=WARN`**
**`ZOOKEEPER_TOOLS_LOG4J_LOGLEVEL=WARN`**
**`ZULU_OPENJDK_VERSION=8=8.38.0.13`**
**`_=/usr/bin/env`**
**`===> User`**
**`uid=0(root) gid=0(root) groups=0(root)`**
**`===> Configuring ...`**
**`===> Running preflight checks ... `**
**`===> Check if /var/lib/zookeeper/data is writable ...`**
**`===> Check if /var/lib/zookeeper/log is writable ...`**
**`===> Launching ... `**
**`===> Launching zookeeper ... `**
**`[2021-02-09 17:27:12,093] WARN Either no config or no quorum defined in config, running in standalone mode (org.apache.zookeeper.server.quorum.QuorumPeerMain)`**
**`[2021-02-09 17:27:12,923] WARN o.e.j.s.ServletContextHandler@4d95d2a2{/,null,UNAVAILABLE} contextPath ends with /* (org.eclipse.jetty.server.handler.ContextHandler)`**
**`[2021-02-09 17:27:12,923] WARN Empty contextPath (org.eclipse.jetty.server.handler.ContextHandler)`**
Here are kafka logs:
**`[2021-02-09 17:24:25,947] INFO [kafka-log-cleaner-thread-0]: Starting (kafka.log.LogCleaner)`**
**`[2021-02-09 17:24:26,375] INFO Awaiting socket connections on 0.0.0.0:9092. (kafka.network.Acceptor)`**
**`[2021-02-09 17:24:26,420] INFO [SocketServer brokerId=1001] Created data-plane acceptor and processors for endpoint : EndPoint(0.0.0.0,9092,ListenerName(PLAINTEXT),PLAINTEXT) (kafka.network.SocketServer)`**
**`[2021-02-09 17:24:26,421] INFO [SocketServer brokerId=1001] Started 1 acceptor threads for data-plane (kafka.network.SocketServer)`**
**`[2021-02-09 17:24:26,524] INFO Creating /brokers/ids/1001 (is it secure? false) (kafka.zk.KafkaZkClient)`**
**`[2021-02-09 17:24:26,552] INFO Stat of the created znode at /brokers/ids/1001 is: 185,185,1612891466540,1612891466540,1,0,0,72063223398662145,180,0,185`**
**` (kafka.zk.KafkaZkClient)`**
**`[2021-02-09 17:24:26,553] INFO Registered broker 1001 at path /brokers/ids/1001 with addresses: ArrayBuffer(EndPoint(kafka,9092,ListenerName(PLAINTEXT),PLAINTEXT)), czxid (broker epoch): 185 (kafka.zk.KafkaZkClient)`**
**`[2021-02-09 17:24:26,910] INFO [/config/changes-event-process-thread]: Starting (kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread)`**
**`[2021-02-09 17:24:27,026] INFO [SocketServer brokerId=1001] Started data-plane processors for 1 acceptors (kafka.network.SocketServer)`**
**`[2021-02-09 17:25:06,884] INFO [/config/changes-event-process-thread]: Shutting down (kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread)`**
**`[2021-02-09 17:25:06,884] INFO [/config/changes-event-process-thread]: Stopped (kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread)`**
**`[2021-02-09 17:25:06,884] INFO [/config/changes-event-process-thread]: Shutdown completed (kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread)`**
**`[2021-02-09 17:25:06,885] INFO [SocketServer brokerId=1001] Stopping socket server request processors (kafka.network.SocketServer)`**
**`[2021-02-09 17:25:06,894] INFO [SocketServer brokerId=1001] Stopped socket server request processors (kafka.network.SocketServer)`**
**`[2021-02-09 17:25:07,467] INFO Shutting down the log cleaner. (kafka.log.LogCleaner)`**
**`[2021-02-09 17:25:07,468] INFO [kafka-log-cleaner-thread-0]: Shutting down (kafka.log.LogCleaner)`**
**`[2021-02-09 17:25:07,468] INFO [kafka-log-cleaner-thread-0]: Stopped (kafka.log.LogCleaner)`**
**`[2021-02-09 17:25:07,469] INFO [kafka-log-cleaner-thread-0]: Shutdown completed (kafka.log.LogCleaner)`**
**`[2021-02-09 17:25:10,597] INFO [SocketServer brokerId=1001] Shutting down socket server (kafka.network.SocketServer)`**
**`[2021-02-09 17:25:10,619] INFO [SocketServer brokerId=1001] Shutdown completed (kafka.network.SocketServer)`**
**`===> ENV Variables ...`**
**`ALLOW_UNSIGNED=false`**
**`COMPONENT=kafka`**
**`CONFLUENT_DEB_VERSION=1`**
**`CONFLUENT_PLATFORM_LABEL=`**
**`CONFLUENT_SUPPORT_METRICS_ENABLE=false`**
**`CONFLUENT_VERSION=5.5.0`**
**`CUB_CLASSPATH=/etc/confluent/docker/docker-utils.jar`**
**`HOME=/root`**
**`HOSTNAME=9bbf71c18ec6`**
**`KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://kafka:9092`**
**`KAFKA_LOG4J_LOGGERS=kafka.cluster=WARN,kafka.controller=WARN,kafka.coordinator=WARN,kafka.log=WARN,kafka.server=WARN,kafka.zookeeper=WARN,state.change.logger=WARN`**
**`KAFKA_LOG4J_ROOT_LOGLEVEL=WARN`**
**`KAFKA_LOG_RETENTION_HOURS=24`**
**`KAFKA_MAX_REQUEST_SIZE=50000000`**
**`KAFKA_MESSAGE_MAX_BYTES=50000000`**
**`KAFKA_OFFSETS_TOPIC_NUM_PARTITIONS=1`**
**`KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1`**
**`KAFKA_TOOLS_LOG4J_LOGLEVEL=WARN`**
**`KAFKA_VERSION=`**
**`KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181`**
**`LANG=C.UTF-8`**
**`PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`**
**`PWD=/`**
**`PYTHON_PIP_VERSION=8.1.2`**
**`PYTHON_VERSION=2.7.9-1`**
**`SCALA_VERSION=2.12`**
**`SHLVL=1`**
**`ZULU_OPENJDK_VERSION=8=8.38.0.13`**
**`_=/usr/bin/env`**
**`===> User`**
**`uid=0(root) gid=0(root) groups=0(root)`**
**`===> Configuring ...`**
**`===> Running preflight checks ... `**
**`===> Check if /var/lib/kafka/data is writable ...`**
**`===> Check if Zookeeper is healthy ...`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.7-f0fdd52973d373ffd9c86b81d99842dc2c7f660e, built on 02/10/2020 11:30 GMT`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=9bbf71c18ec6`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.8.0_212`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Azul Systems, Inc.`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=/usr/lib/jvm/zulu-8-amd64/jre`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=/etc/confluent/docker/docker-utils.jar`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=/tmp`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Linux`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=amd64`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=3.10.0-1062.4.1.el7.x86_64`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=root`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=/root`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=/`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=113MB`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=1735MB`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=117MB`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=zookeeper:2181 sessionTimeout=40000 watcher=io.confluent.admin.utils.ZookeeperConnectionWatcher@cc34f4d`**
**`[main] INFO org.apache.zookeeper.common.X509Util - Setting -D jdk.tls.rejectClientInitiatedRenegotiation=true to disable client-initiated TLS renegotiation`**
**`[main] INFO org.apache.zookeeper.ClientCnxnSocket - jute.maxbuffer value is 4194304 Bytes`**
**`[main] INFO org.apache.zookeeper.ClientCnxn - zookeeper.request.timeout value is 0. feature enabled=`**
**`[main-SendThread(zookeeper:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server zookeeper/172.25.0.6:2181. Will not attempt to authenticate using SASL (unknown error)`**
**`[main-SendThread(zookeeper:2181)] INFO org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /172.25.0.11:41502, server: zookeeper/172.25.0.6:2181`**
**`[main-SendThread(zookeeper:2181)] INFO org.apache.zookeeper.ClientCnxn - Session establishment complete on server zookeeper/172.25.0.6:2181, sessionid = 0x1000521524a0000, negotiated timeout = 40000`**
**`[main] INFO org.apache.zookeeper.ZooKeeper - Session: 0x1000521524a0000 closed`**
**`[main-EventThread] INFO org.apache.zookeeper.ClientCnxn - EventThread shut down for session: 0x1000521524a0000`**
**`===> Launching ... `**
**`===> Launching kafka ... `**
**`[2021-02-09 17:27:20,750] INFO Registered kafka:type=kafka.Log4jController MBean (kafka.utils.Log4jControllerRegistration$)`**
**`[2021-02-09 17:27:22,050] WARN The package io.confluent.support.metrics.collectors.FullCollector for collecting the full set of support metrics could not be loaded, so we are reverting to anonymous, basic metric collection. If you are a Confluent customer, please refer to the Confluent Platform documentation, section Proactive Support, on how to activate full metrics collection. (io.confluent.support.metrics.KafkaSupportConfig)`**
**`[2021-02-09 17:27:22,050] WARN The support metrics collection feature ("Metrics") of Proactive Support is disabled. (io.confluent.support.metrics.SupportedServerStartable)`**
**`[2021-02-09 17:27:23,706] INFO Starting the log cleaner (kafka.log.LogCleaner)`**
**`[2021-02-09 17:27:23,848] INFO [kafka-log-cleaner-thread-0]: Starting (kafka.log.LogCleaner)`**
**`[2021-02-09 17:27:24,541] INFO Awaiting socket connections on 0.0.0.0:9092. (kafka.network.Acceptor)`**
**`[2021-02-09 17:27:24,592] INFO [SocketServer brokerId=1001] Created data-plane acceptor and processors for endpoint : EndPoint(0.0.0.0,9092,ListenerName(PLAINTEXT),PLAINTEXT) (kafka.network.SocketServer)`**
**`[2021-02-09 17:27:24,593] INFO [SocketServer brokerId=1001] Started 1 acceptor threads for data-plane (kafka.network.SocketServer)`**
**`[2021-02-09 17:27:24,750] INFO Creating /brokers/ids/1001 (is it secure? false) (kafka.zk.KafkaZkClient)`**
**`[2021-02-09 17:27:24,801] INFO Stat of the created znode at /brokers/ids/1001 is: 206,206,1612891644786,1612891644786,1,0,0,72063234710568961,180,0,206`**
**` (kafka.zk.KafkaZkClient)`**
**`[2021-02-09 17:27:24,801] INFO Registered broker 1001 at path /brokers/ids/1001 with addresses: ArrayBuffer(EndPoint(kafka,9092,ListenerName(PLAINTEXT),PLAINTEXT)), czxid (broker epoch): 206 (kafka.zk.KafkaZkClient)`**
**`[2021-02-09 17:27:25,530] INFO [/config/changes-event-process-thread]: Starting (kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread)`**
**`[2021-02-09 17:27:25,868] INFO [SocketServer brokerId=1001] Started data-plane processors for 1 acceptors (kafka.network.SocketServer)`**