[KAFKA-3111] java.lang.ArithmeticException: / by zero in ConsumerPerformance

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0.0
• Fix Version/s: 0.10.1.0
• Component/s: core
• Labels: newbie
• Assignee: Vahid Hashemian
• Reporter: Jun Rao
• Created: 15/Jan/16 19:52
• Updated: 08/Jul/16 23:18
• Resolved: 08/Jul/16 23:18

Description

Saw the following error. If there are lots of unconsumed messages, between two iterations of the consumption, the timestamp may not have changed.

kafka-consumer-perf-test --zookeeper localhost:2181 --topic test --group test-group --threads 1 --show-detailed-stats --reporting-interval 5000
2016-01-13 09:12:43:905, 0, 1048576, 35.2856, 238.4186, 370000, 2500000.0000
2016-01-13 09:12:43:916, 0, 1048576, 35.7624, 47.6837, 375000, 500000.0000
java.lang.ArithmeticException: / by zero
at kafka.tools.ConsumerPerformance$ConsumerPerfThread.printMessage(ConsumerPerformance.scala:189)
at kafka.tools.ConsumerPerformance$ConsumerPerfThread.run(ConsumerPerformance.scala:164)
2016-01-13 09:12:43:918, 0, 1048576, 36.2393, 0.7117, 380000, 7000.0000

Issue Links

• links to: GitHub Pull Request #788