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From "Jun Rao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-341) Create a new single host system test to validate all replicas on 0.8 branch
Date Tue, 12 Jun 2012 16:32:43 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293745#comment-13293745
] 

Jun Rao commented on KAFKA-341:
-------------------------------

Thanks for patch v2. I kept getting the following exception. Do you know why?

2012-06-12 09:24:23 creating topic [mytest] on [localhost:2181]
creation failed because of org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode
= NoNode for /brokers/ids
org.I0Itec.zkclient.exception.ZkNoNodeException: org.apache.zookeeper.KeeperException$NoNodeException:
KeeperErrorCode = NoNode for /brokers/ids
	at org.I0Itec.zkclient.exception.ZkException.create(ZkException.java:47)
	at org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:685)
	at org.I0Itec.zkclient.ZkClient.getChildren(ZkClient.java:413)
	at org.I0Itec.zkclient.ZkClient.getChildren(ZkClient.java:409)
	at kafka.utils.ZkUtils$.getChildren(ZkUtils.scala:354)
	at kafka.utils.ZkUtils$.getSortedBrokerList(ZkUtils.scala:69)
	at kafka.admin.CreateTopicCommand$.createTopic(CreateTopicCommand.scala:87)
	at kafka.admin.CreateTopicCommand$.main(CreateTopicCommand.scala:72)
	at kafka.admin.CreateTopicCommand.main(CreateTopicCommand.scala)
Caused by: org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
for /brokers/ids
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
	at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1249)
	at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1277)
	at org.I0Itec.zkclient.ZkConnection.getChildren(ZkConnection.java:99)
	at org.I0Itec.zkclient.ZkClient$2.call(ZkClient.java:416)
	at org.I0Itec.zkclient.ZkClient$2.call(ZkClient.java:413)
	at org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:675)
	... 7 more

Also, the test seems to be a bit long since there are a few places where we sleep for 10 or
30 seconds. Can those sleep be reduced?
                
> Create a new single host system test to validate all replicas on 0.8 branch
> ---------------------------------------------------------------------------
>
>                 Key: KAFKA-341
>                 URL: https://issues.apache.org/jira/browse/KAFKA-341
>             Project: Kafka
>          Issue Type: Task
>            Reporter: John Fung
>            Assignee: John Fung
>         Attachments: kafka-341-v1.patch, kafka-341-v2.patch
>
>


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