Attaching to sentry_onpremise_zookeeper_1
zookeeper_1                                 | ===> ENV Variables ...
zookeeper_1                                 | ALLOW_UNSIGNED=false
zookeeper_1                                 | COMPONENT=zookeeper
zookeeper_1                                 | CONFLUENT_DEB_VERSION=1
zookeeper_1                                 | CONFLUENT_PLATFORM_LABEL=
zookeeper_1                                 | CONFLUENT_SUPPORT_METRICS_ENABLE=false
zookeeper_1                                 | CONFLUENT_VERSION=5.5.0
zookeeper_1                                 | CUB_CLASSPATH=/etc/confluent/docker/docker-utils.jar
zookeeper_1                                 | HOME=/root
zookeeper_1                                 | HOSTNAME=b5d02cf24d33
zookeeper_1                                 | KAFKA_VERSION=
zookeeper_1                                 | LANG=C.UTF-8
zookeeper_1                                 | PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
zookeeper_1                                 | PWD=/
zookeeper_1                                 | PYTHON_PIP_VERSION=8.1.2
zookeeper_1                                 | PYTHON_VERSION=2.7.9-1
zookeeper_1                                 | SCALA_VERSION=2.12
zookeeper_1                                 | SHLVL=1
zookeeper_1                                 | ZOOKEEPER_CLIENT_PORT=2181
zookeeper_1                                 | ZOOKEEPER_LOG4J_ROOT_LOGLEVEL=WARN
zookeeper_1                                 | ZOOKEEPER_TOOLS_LOG4J_LOGLEVEL=WARN
zookeeper_1                                 | ZULU_OPENJDK_VERSION=8=8.38.0.13
zookeeper_1                                 | _=/usr/bin/env
zookeeper_1                                 | affinity:container==5b21d6f110c6d516d24bd137ac06cedba6e1d437cd68d58fc7ba44adc56957a0
zookeeper_1                                 | ===> User
zookeeper_1                                 | uid=0(root) gid=0(root) groups=0(root)
zookeeper_1                                 | ===> Configuring ...
zookeeper_1                                 | ===> Running preflight checks ...
zookeeper_1                                 | ===> Check if /var/lib/zookeeper/data is writable ...
zookeeper_1                                 | ===> Check if /var/lib/zookeeper/log is writable ...
zookeeper_1                                 | ===> Launching ...
zookeeper_1                                 | ===> Launching zookeeper ...
zookeeper_1                                 | [2021-01-05 10:08:15,527] WARN Either no config or no quorum defined in config, running  in standalone mode (org.apache.zookeeper.server.quorum.QuorumPeerMain)
zookeeper_1                                 | [2021-01-05 10:08:15,674] WARN o.e.j.s.ServletContextHandler@4d95d2a2{/,null,UNAVAILABLE} contextPath ends with /* (org.eclipse.jetty.server.handler.ContextHandler)
zookeeper_1                                 | [2021-01-05 10:08:15,674] WARN Empty contextPath (org.eclipse.jetty.server.handler.ContextHandler)