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From "Sergey Romanov (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (KAFKA-6575) Unhandled exception "NoRouteToHostException: No route to host"
Date Wed, 21 Feb 2018 16:00:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-6575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Romanov resolved KAFKA-6575.
-----------------------------------
    Resolution: Won't Fix

> Unhandled exception "NoRouteToHostException: No route to host" 
> ---------------------------------------------------------------
>
>                 Key: KAFKA-6575
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6575
>             Project: Kafka
>          Issue Type: Bug
>         Environment: Fedora 27
>            Reporter: Sergey Romanov
>            Priority: Major
>
>  
> Step to reproduce:
>  # Clone and open Strimzi sources [https://github.com/strimzi/strimzi]
>  # Up cluster
> {code:java}
> $ oc clucter up{code}
>  # Login as admin
> {code:java}
> $ oc login -u system:admin{code}
>  # Deploy Cluster Controller
> {code:java}
> $ oc create -f resources/openshift/cluster-controller-with-template.yaml{code}
>  # Deploy Topic Controller
> {code:java}
> $ oc create -f resources/openshift/topic-controller-with-template.yaml{code}
>  # Login to OpenShift [https://127.0.0.1:8443|https://127.0.0.1:8443/]
>  # Create "Apache Kafka (Ephemeral storage)"
>  ## Click "Add to project"
>  ## Click "Select from project"
>  ## Select "Apache Kafka (Ephemeral storage)" and click "Next"
>  ## Use default configurations:
>  ### Number of Zookeper cluster nodes: 1
>  ### Number of Kafka cluster nodes: 3
>  ### Zookeeper healthcheck initial delay: 15
>  ### Zookeeper healthcheck timeout: 5
>  ## Click "Create" and wait for the message "Apache Kafka (Ephemeral storage) has been
created"
>  ## Open page "Pods" and wait when all pods will have status "Running"
>  # Create Strimzi Topic Controller
>  ## Click "Add to project"
>  ## Click "Select from project"
>  ## Select "Strimzi Topic Controller" and click "Next"
>  ## Use default configurations
>  ## Click "Create" and wait for the message "Success Strimzi Topic Controller has been
created."
>  ## Open page "Pods" and wait when all pods will have status "Running"
>  # Open page "Config Maps" and open your cluster config
>  # Edit value for zookeeper-healthcheck-delay
>  ## Click "Actions"
>  ## Click "Edit YAML"
>  ## Set new value (30) for variable zookeeper-healthcheck-delay and save
>  # Open page "Pods" and open logs for strimzi-topic-controller
> Actual result:
> Log has an unhandled exception:
> {code:java}
> [2018-02-21 15:48:18,807] WARN <ClientCnxn :1162> [.local:2181)] Session 0x161b8fedf870003
for server null, unexpected error, closing socket connection and attempting reconnect
> java.net.NoRouteToHostException: No route to host
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
> at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141)
> Feb 21, 2018 3:48:18 PM io.vertx.core.impl.ContextImpl
> SEVERE: Unhandled exception
> java.lang.RuntimeException: org.apache.zookeeper.KeeperException$ConnectionLossException:
KeeperErrorCode = ConnectionLoss for for path: /brokers/topics
> at io.strimzi.controller.topic.TopicsWatcher.lambda$start$2(TopicsWatcher.java:67)
> at io.strimzi.controller.topic.zk.ZkImpl.lambda$null$9(ZkImpl.java:347)
> at io.vertx.core.impl.ContextImpl.lambda$wrapTask$2(ContextImpl.java:344)
> at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
> at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
> at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode
= ConnectionLoss for for path: /brokers/topics
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at io.strimzi.controller.topic.zk.ZkImpl.mapResult(ZkImpl.java:135)
> at io.strimzi.controller.topic.zk.ZkImpl.lambda$children$10(ZkImpl.java:342)
> at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:601)
> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:505)
> {code}
>  
>  
> Additional details:
> Docker version: 18.02.0-ce
> OpenShift server version: v3.7.1



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