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John Fung commented on KAFKA-734: --------------------------------- ** Tried the latest patch v4 and got the following FATAL error: [2013-02-15 17:36:01,324] INFO Property queue.enqueue.timeout.ms is overridden to -1 (kafka.utils.VerifiableProperties) [2013-02-15 17:36:01,358] ERROR Kafka migration tool failed: (kafka.tools.KafkaMigrationTool) java.lang.IllegalArgumentException: Topic cannot be null. at kafka.producer.KeyedMessage.<init>(KeyedMessage.scala:25) at kafka.tools.KafkaMigrationTool$ProducerThread.<init>(KafkaMigrationTool.java:349) at kafka.tools.KafkaMigrationTool.main(KafkaMigrationTool.java:236) [2013-02-15 17:36:01,359] FATAL Migration thread failure due to (kafka.tools.KafkaMigrationTool$MigrationThread) java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at kafka.tools.KafkaMigrationTool$MigrationThread.run(KafkaMigrationTool.java:310) Caused by: java.lang.InterruptedException at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:1961) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1996) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at kafka.consumer.ConsumerIterator.makeNext(ConsumerIterator.scala:60) at kafka.consumer.ConsumerIterator.makeNext(ConsumerIterator.scala:32) at kafka.utils.IteratorTemplate.maybeComputeNext(IteratorTemplate.scala:59) at kafka.utils.IteratorTemplate.hasNext(IteratorTemplate.scala:51) ... 5 more > Migration tool needs a revamp, it was poorly written and has many performance > bugs > ---------------------------------------------------------------------------------- > > Key: KAFKA-734 > URL: https://issues.apache.org/jira/browse/KAFKA-734 > Project: Kafka > Issue Type: Bug > Components: tools > Affects Versions: 0.8 > Reporter: Neha Narkhede > Assignee: Neha Narkhede > Priority: Blocker > Labels: p1 > Attachments: kafka-734-v1.patch, kafka-734-v2.patch, > kafka-734-v3.patch, kafka-734-v4.patch > > > Migration tool has a number of problems ranging from poor logging to poor > design. This needs to be thought through again -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira