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Posted to dev@kafka.apache.org by "Joel Koshy (JIRA)" <ji...@apache.org> on 2014/04/09 20:10:16 UTC
[jira] [Resolved] (KAFKA-1349) Fatal error during KafkaServerStable
startup
[ https://issues.apache.org/jira/browse/KAFKA-1349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joel Koshy resolved KAFKA-1349.
-------------------------------
Resolution: Cannot Reproduce
If you can provide steps to reproduce please reopen.
> Fatal error during KafkaServerStable startup
> --------------------------------------------
>
> Key: KAFKA-1349
> URL: https://issues.apache.org/jira/browse/KAFKA-1349
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8.1
> Environment: Ubuntu + scala 2.10 + Kafka 0.8.1 release version
> Reporter: Pan Pan
> Fix For: 0.8.1
>
>
> Kafka broker kept on restarting itself. Exceptions are shown in server.log:
> [2014-03-28 15:09:01,624] INFO Will not load MX4J, mx4j-tools.jar is not in the classpath (kafka.utils.Mx4jLoader$)
> [2014-03-28 15:09:01,635] INFO conflict in /controller data: 2108872 stored data: {"version":1,"brokerid":2310736,"timestamp":"1396014892001"} (kafka.utils.ZkUtils$)
> [2014-03-28 15:09:01,638] FATAL Fatal error during KafkaServerStable startup. Prepare to shutdown (kafka.server.KafkaServerStartable)
> java.lang.NumberFormatException: For input string: "{"version":1,"brokerid":2310736,"timestamp":"1396014892001"}"
> at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
> at java.lang.Integer.parseInt(Integer.java:481)
> at java.lang.Integer.parseInt(Integer.java:514)
> at scala.collection.immutable.StringLike$class.toInt(StringLike.scala:207)
> at scala.collection.immutable.StringOps.toInt(StringOps.scala:31)
> at kafka.server.ZookeeperLeaderElector.elect(ZookeeperLeaderElector.scala:60)
> at kafka.server.ZookeeperLeaderElector.startup(ZookeeperLeaderElector.scala:43)
> at kafka.controller.KafkaController.startup(KafkaController.scala:396)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:96)
> at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:34)
> at kafka.Kafka$.main(Kafka.scala:46)
> at kafka.Kafka.main(Kafka.scala)
> [2014-03-28 15:09:01,639] INFO [Kafka Server 2108872], Shutting down (kafka.server.KafkaServer)
> [2014-03-28 15:09:01,640] INFO Closing zookeeper client... (kafka.server.KafkaZooKeeper)
> [2014-03-28 15:09:01,644] INFO [Socket Server on Broker 2108872], Shutting down (kafka.network.SocketServer)
> [2014-03-28 15:09:01,648] INFO [Socket Server on Broker 2108872], Shutdown completed (kafka.network.SocketServer)
> I checked the source code, there are bugs in code:
> https://git-wip-us.apache.org/repos/asf?p=kafka.git;a=blob;f=core/src/main/scala/kafka/server/ZookeeperLeaderElector.scala;h=33b73609b1178c56e692fb60e35aca04ad1af586;hb=8e554c4d2acf5108805905b9f06198f20398ee3a
> https://git-wip-us.apache.org/repos/asf?p=kafka.git;a=blob;f=core/src/main/scala/kafka/utils/ZkUtils.scala;h=d1c4b3d7b3d11c88a1d1474aadbb727704cfb759;hb=8e554c4d2acf5108805905b9f06198f20398ee3a
> In ZookeeperLeaderElector.scala line 57, Int brokerId is passed in as fourth parameter, while in ZkUtils.scala line 307, the declaration for the fourth paramenter is expectedCallerData: Any.
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