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From "Joe Stein (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-259) Exception in thread "main" java.lang.NoClassDefFoundError: kafka/Kafka Caused by: java.lang.ClassNotFoundException: kafka.Kafka
Date Tue, 31 Jan 2012 14:24:10 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196942#comment-13196942
] 

Joe Stein commented on KAFKA-259:
---------------------------------

cd kafka
./sbt update
./sbt package

this will make the jars for you to be able to run the server as you are attempting to-do
                
> Exception in thread "main" java.lang.NoClassDefFoundError: kafka/Kafka Caused by: java.lang.ClassNotFoundException:
kafka.Kafka
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-259
>                 URL: https://issues.apache.org/jira/browse/KAFKA-259
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.6
>         Environment: Mac OSX Lion
>            Reporter: Ross Crawford-d'Heureuse
>            Priority: Minor
>
> Hi there, I've cloned from the kafka github repo and tried to run the start server script:
>  ./bin/kafka-server-start.sh config/server.properties 
> Which results in:
> Exception in thread "main" java.lang.NoClassDefFoundError: kafka/Kafka
> Caused by: java.lang.ClassNotFoundException: kafka.Kafka
> 	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)
> It seems that Im missing a build step? what have I forgotten to do?
> Thanks in advance and I look forward to using kafka.
> regards
> rcdh

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