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https://issues.apache.org/jira/browse/KAFKA-2807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15001357#comment-15001357
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ASF GitHub Bot commented on KAFKA-2807:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/499
> Movement of throughput throttler to common broke upgrade tests
> --------------------------------------------------------------
>
> Key: KAFKA-2807
> URL: https://issues.apache.org/jira/browse/KAFKA-2807
> Project: Kafka
> Issue Type: Bug
> Reporter: Geoff Anderson
> Assignee: Ewen Cheslack-Postava
> Priority: Blocker
> Fix For: 0.9.1.0
>
>
> In order to run compatibility tests with an 0.8.2 producer, and using
> VerifiableProducer, we use the 0.8.2 kafka-run-tools.sh classpath augmented
> by the 0.9.0 tools and tools dependencies classpaths.
> Recently, some refactoring efforts moved ThroughputThrottler to
> org.apache.kafka.common.utils package, but this breaks the existing
> compatibility tests:
> {code}
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/kafka/common/utils/ThroughputThrottler
> at
> org.apache.kafka.tools.VerifiableProducer.main(VerifiableProducer.java:334)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.kafka.common.utils.ThroughputThrottler
> at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> ... 1 more
> {code}
> Given the need to be able to run VerifiableProducer against 0.8.X, I'm not
> sure VerifiableProducer can depend on org.apache.kafka.common.utils at this
> point in time.
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