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https://issues.apache.org/jira/browse/KAFKA-826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13625222#comment-13625222
 ] 

Swapnil Ghike commented on KAFKA-826:
-------------------------------------

Thanks, the unit tests were ok. But while trying to boot up a kafka server, I 
got the following error.

This is what I did, 
rm -rf ~/.ivy2
git rm -r core/lib
./sbt clean
./sbt update
./sbt package
bin/zookeeper-server-start.sh config/zookeeper.properties
bin/kafka-server-start.sh config/server.properties

[2013-04-08 00:48:29,743] FATAL  (kafka.Kafka$)
java.lang.NoClassDefFoundError: com/yammer/metrics/reporting/CsvReporter
        at 
kafka.metrics.KafkaCSVMetricsReporter.init(KafkaCSVMetricsReporter.scala:53)
        at 
kafka.metrics.KafkaMetricsReporter$$anonfun$startReporters$1.apply(KafkaMetricsReporter.scala:60)
        at 
kafka.metrics.KafkaMetricsReporter$$anonfun$startReporters$1.apply(KafkaMetricsReporter.scala:58)
        at 
scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:34)
        at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:32)
        at 
kafka.metrics.KafkaMetricsReporter$.startReporters(KafkaMetricsReporter.scala:58)
        at kafka.Kafka$.main(Kafka.scala:36)
        at kafka.Kafka.main(Kafka.scala)
Caused by: java.lang.ClassNotFoundException: 
com.yammer.metrics.reporting.CsvReporter
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
        ... 8 more

I am not currently sure what's causing this issue.
                
> Make Kafka 0.8 depend on metrics 2.2.0 instead of 3.x
> -----------------------------------------------------
>
>                 Key: KAFKA-826
>                 URL: https://issues.apache.org/jira/browse/KAFKA-826
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Neha Narkhede
>            Assignee: Dragos Manolescu
>            Priority: Blocker
>              Labels: build, kafka-0.8, metrics
>         Attachments: kafka-fix-for-826-complete.patch, 
> kafka-fix-for-826.patch, kafka-fix-for-826-take2.patch
>
>
> In order to mavenize Kafka 0.8, we have to depend on metrics 2.2.0 since 
> metrics 3.x is a huge change as well as not an officially supported release.

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