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https://issues.apache.org/jira/browse/KAFKA-1463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14004810#comment-14004810
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Jun Rao commented on KAFKA-1463:
--------------------------------
Could you make sure the scala jar at runtime matches that used to build the
Kafka jar?
> producer fails with scala.tuple error
> -------------------------------------
>
> Key: KAFKA-1463
> URL: https://issues.apache.org/jira/browse/KAFKA-1463
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.8.0
> Environment: java, springsource
> Reporter: Joe
> Assignee: Jun Rao
>
> Running on a windows machine trying to debug first kafka program. The program
> fails on the following line:
> producer = new kafka.javaapi.producer.Producer<String, String>(
> new ProducerConfig(props));
> ERROR:
> Exception in thread "main" java.lang.VerifyError: class scala.Tuple2$mcLL$sp
> overrides final method _1.()Ljava/lang/Object;
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
> at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)...
> unable to find solution online.
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