[jira] [Created] (KAFKA-9189) Shutdown is blocked if connection to Zookeeper is lost

[Boris Granveaud (Jira)]

Boris Granveaud created KAFKA-9189:
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             Summary: Shutdown is blocked if connection to Zookeeper is lost
                 Key: KAFKA-9189
                 URL: https://issues.apache.org/jira/browse/KAFKA-9189
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 2.3.0
         Environment: Linux, Docker 19.03.4
            Reporter: Boris Granveaud

We are using Kafka and Zookeeper in Docker swarm stacks. When we undeploy a 
stack, sometimes Kafka doesn't shutdown properly and is finally killed by 
Docker (thus leaving potentially corrupted files).

Here are the steps to reproduce (simple Docker, no swarm):

 
{code:java}
docker network create test
docker run -d --network test --name zk --rm zookeeper:3.5.6
docker run --network test --name kf --rm -e "KAFKA_ZOOKEEPER_CONNECT=zk:2181" 
-e "KAFKA_ADVERTISED_LISTENERS=INSIDE://:9091" -e 
"KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=INSIDE:PLAINTEXT" -e 
"KAFKA_INTER_BROKER_LISTENER_NAME=INSIDE" confluentinc/cp-kafka:5.3.1
{code}
 

In another shell:

 
{code:java}
docker stop zk
docker stop kf
{code}
 



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