# Kafka Broker failed to connect to Zookeeper

**URL:** <https://forum.confluent.io/t/kafka-broker-failed-to-connect-to-zookeeper/11381>\
**Category:** Confluent Cloud\
**Created:** [5 September 2024 06:37 UTC](https://forum.confluent.io/t/kafka-broker-failed-to-connect-to-zookeeper/11381 "2024-09-05T06:37:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![NeKhan2145](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.confluent.io/nekhan2145/32/3980_2.png) [@NeKhan2145](https://forum.confluent.io/u/NeKhan2145)\
**Post date:** [5 September 2024 06:37 UTC](https://forum.confluent.io/t/kafka-broker-failed-to-connect-to-zookeeper/11381/1 "2024-09-05T06:37:39Z")

</div>

Hi All,

We are using confluent helm charts, which are using zookeeper image version 7.6.1 and kafka image version 7.6.1.

this are the logs we got in broker pod.

===\> User  
uid=0(root) gid=0(root) groups=0(root)  
===\> Configuring …  
Running in Zookeeper mode…  
SASL is enabled.  
===\> Running preflight checks …  
===\> Check if /var/lib/kafka/data is writable …  
===\> Check if Zookeeper is healthy …  
SLF4J: Class path contains multiple SLF4J bindings.  
SLF4J: Found binding in [jar:file:/usr/share/java/kafka/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]  
SLF4J: Found binding in [jar:file:/usr/share/java/kafka/kafka-vault-loader.jar!/org/slf4j/impl/StaticLoggerBinder.class]  
SLF4J: Found binding in [jar:file:/usr/share/java/cp-base-new/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]  
SLF4J: See [SLF4J Error Codes](http://www.slf4j.org/codes.html#multiple_bindings) for an explanation.  
SLF4J: Actual binding is of type [org.slf4j.impl.Reload4jLoggerFactory]  
[2024-09-05 06:20:16,545] INFO SASL is enabled. java.security.auth.login.config=file:/tmp/kafka-server-jaas.conf (io.confluent.admin.utils.ClusterStatus)  
[2024-09-05 06:20:16,574] INFO Client environment:zookeeper.version=3.8.3-6ad6d364c7c0bcf0de452d54ebefa3058098ab56, built on 2023-10-05 10:34 UTC (org.apache.zookeeper.ZooKeeper)  
[2024-09-05 06:20:16,574] INFO Client environment:host.name=kafka-0.kafka-svc.data-platform.svc.cluster.local (org.apache.zookeeper.ZooKeeper)  
[2024-09-05 06:20:16,574] INFO Client environment:java.version=11.0.21 (org.apache.zookeeper.ZooKeeper)  
[2024-09-05 06:20:16,574] INFO Client environment:java.vendor=Azul Systems, Inc. (org.apache.zookeeper.ZooKeeper)  
[2024-09-05 06:20:16,574] INFO Client environment:java.home=/usr/lib/jvm/java-11-zulu-openjdk-ca (org.apache.zookeeper.ZooKeeper)  
[2024-09-05 06:20:16,580] INFO Initiating client connection, connectString=zk-svc:2182 sessionTimeout=40000 watcher=io.confluent.admin.utils.ZookeeperConnectionWatcher@38c5cc4c (org.apache.zookeeper.ZooKeeper)  
[2024-09-05 06:20:16,587] INFO Setting -D jdk.tls.rejectClientInitiatedRenegotiation=true to disable client-initiated TLS renegotiation (org.apache.zookeeper.common.X509Util)  
[2024-09-05 06:20:16,597] INFO jute.maxbuffer value is 1048575 Bytes (org.apache.zookeeper.ClientCnxnSocket)  
[2024-09-05 06:20:16,639] INFO zookeeper.request.timeout value is 0. feature enabled=false (org.apache.zookeeper.ClientCnxn)  
[2024-09-05 06:20:16,713] INFO Opening socket connection to server zk-svc/10.151.0.57:2182. (org.apache.zookeeper.ClientCnxn)  
[2024-09-05 06:20:16,745] INFO Socket connection established, initiating session, client: /10.151.6.21:39742, server: zk-svc/10.151.0.57:2182 (org.apache.zookeeper.ClientCnxn)  
[2024-09-05 06:20:16,765] INFO Session establishment complete on server zk-svc/10.151.0.57:2182, session id = 0x2000003a6d6003e, negotiated timeout = 40000 (org.apache.zookeeper.ClientCnxn)  
[2024-09-05 06:20:56,676] ERROR Timed out waiting for connection to Zookeeper server [zk-svc:2182]. (io.confluent.admin.utils.ClusterStatus)  
[2024-09-05 06:20:56,792] INFO EventThread shut down for session: 0x2000003a6d6003e (org.apache.zookeeper.ClientCnxn)  
[2024-09-05 06:20:56,793] INFO Session: 0x2000003a6d6003e closed (org.apache.zookeeper.ZooKeeper)  
Using log4j config /etc/kafka/log4j.properties