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From "Manikumar (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (KAFKA-2560) Fatal error during KafkaServer startup because of Map failed error.
Date Thu, 24 Aug 2017 15:54:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-2560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Manikumar resolved KAFKA-2560.
------------------------------
    Resolution: Fixed

This is due to java.lang.OutOfMemoryError.  Pl reopen if you think the issue still exists


> Fatal error during KafkaServer startup because of Map failed error.
> -------------------------------------------------------------------
>
>                 Key: KAFKA-2560
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2560
>             Project: Kafka
>          Issue Type: Bug
>          Components: log
>    Affects Versions: 0.8.2.1
>         Environment: Linux 
>            Reporter: Bo Wang
>            Assignee: Jay Kreps
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> I have 3 kafka nodes,  
> create 30 topics ,every topic has 100 pations, and replica factor is 2.
> Kafka server start failed,
> 2015-09-21 10:28:35,668 | INFO  | pool-2-thread-1 | Recovering unflushed segment 0 in
log testTopic_14-34. | kafka.utils.Logging$class.info(Logging.scala:68)
> 2015-09-21 10:28:35,942 | ERROR | main | There was an error in one of the threads during
logs loading: java.io.IOException: Map failed | kafka.utils.Logging$class.error(Logging.scala:97)
> 2015-09-21 10:28:35,943 | INFO  | pool-2-thread-5 | Recovering unflushed segment 0 in
log testTopic_17-23. | kafka.utils.Logging$class.info(Logging.scala:68)
> 2015-09-21 10:28:35,944 | INFO  | pool-2-thread-5 | Completed load of log testTopic_17-23
with log end offset 0 | kafka.utils.Logging$class.info(Logging.scala:68)
> 2015-09-21 10:28:35,945 | FATAL | main | [Kafka Server 54], Fatal error during KafkaServer
startup. Prepare to shutdown | kafka.utils.Logging$class.fatal(Logging.scala:116)
> java.io.IOException: Map failed
>         at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:907)
>         at kafka.log.OffsetIndex$$anonfun$resize$1.apply(OffsetIndex.scala:286)
>         at kafka.log.OffsetIndex$$anonfun$resize$1.apply(OffsetIndex.scala:276)
>         at kafka.utils.Utils$.inLock(Utils.scala:535)
>         at kafka.log.OffsetIndex.resize(OffsetIndex.scala:276)
>         at kafka.log.Log.loadSegments(Log.scala:179)
>         at kafka.log.Log.<init>(Log.scala:67)
>         at kafka.log.LogManager$$anonfun$loadLogs$2$$anonfun$3$$anonfun$apply$7$$anonfun$apply$1.apply$mcV$sp(LogManager.scala:142)
>         at kafka.utils.Utils$$anon$1.run(Utils.scala:54)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.OutOfMemoryError: Map failed
>         at sun.nio.ch.FileChannelImpl.map0(Native Method)
>         at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:904)
>         ... 13 more
> 2015-09-21 10:28:35,946 | INFO  | pool-2-thread-5 | Recovering unflushed segment 0 in
log testTopic_25-77. | kafka.utils.Logging$class.info(Logging.scala:68)
> 2015-09-21 10:28:35,949 | INFO  | main | [Kafka Server 54], shutting down | kafka.utils.Logging$class.info(Logging.scala:68)
> Kafka server host's top infomation below:
> top - 17:16:23 up 53 min,  6 users,  load average: 0.42, 0.99, 1.19
> Tasks: 215 total,   1 running, 214 sleeping,   0 stopped,   0 zombie
> Cpu(s):  4.5%us,  2.4%sy,  0.0%ni, 92.9%id,  0.1%wa,  0.0%hi,  0.0%si,  0.0%st
> Mem:     40169M total,     6118M used,    34050M free,        9M buffers
> Swap:        0M total,        0M used,        0M free,      431M cached



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