Onur Karaman created KAFKA-2226:
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Summary: NullPointerException in TestPurgatoryPerformance
Key: KAFKA-2226
URL: https://issues.apache.org/jira/browse/KAFKA-2226
Project: Kafka
Issue Type: Bug
Reporter: Onur Karaman
Assignee: Yasuhiro Matsuda
A NullPointerException sometimes shows up in TimerTaskList.remove while running
TestPurgatoryPerformance. I’m on the HEAD of trunk.
{code}
> ./bin/kafka-run-class.sh kafka.TestPurgatoryPerformance --key-space-size
> 100000 --keys 3 --num 100000 --pct50 50 --pct75 75 --rate 1000 --size 50
> --timeout 20
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in
[jar:file:/Users/okaraman/code/kafka/core/build/dependant-libs-2.10.5/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/Users/okaraman/code/kafka/core/build/dependant-libs-2.10.5/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
[2015-05-27 10:02:14,782] ERROR [completion thread], Error due to
(kafka.TestPurgatoryPerformance$CompletionQueue$$anon$1)
java.lang.NullPointerException
at kafka.utils.timer.TimerTaskList.remove(TimerTaskList.scala:80)
at kafka.utils.timer.TimerTaskEntry.remove(TimerTaskList.scala:128)
at kafka.utils.timer.TimerTask$class.cancel(TimerTask.scala:27)
at kafka.server.DelayedOperation.cancel(DelayedOperation.scala:50)
at kafka.server.DelayedOperation.forceComplete(DelayedOperation.scala:71)
at
kafka.TestPurgatoryPerformance$CompletionQueue$$anon$1.doWork(TestPurgatoryPerformance.scala:263)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)
{code}
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