[jira] [Created] (KAFKA-3548) Locale is not handled properly in kafka-consumer

["Tanju Cataltepe (JIRA)" <ji...@apache.org>]

Tanju Cataltepe created KAFKA-3548:
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             Summary: Locale is not handled properly in kafka-consumer
                 Key: KAFKA-3548
                 URL: https://issues.apache.org/jira/browse/KAFKA-3548
             Project: Kafka
          Issue Type: Bug
          Components: consumer
    Affects Versions: 0.9.0.1
            Reporter: Tanju Cataltepe
            Assignee: Neha Narkhede


If the JVM local language is Turkish, which has different upper case for the lower case letter i, the result is a runtime error caused by org.apache.kafka.clients.consumer.OffsetResetStrategy. More specifically an enum constant *EARLİEST* is generated which does not match *EARLIEST* (note the _dotted capital i_).

If the locale for the JVM is explicitly set to en_US, the example runs as expected.

A sample error log is below:
{noforma}
[akka://ReactiveKafka/user/$a] Failed to construct kafka consumer
akka.actor.ActorInitializationException: exception during creation
at akka.actor.ActorInitializationException$.apply(Actor.scala:172)
at akka.actor.ActorCell.create(ActorCell.scala:606)
at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:461)
at akka.actor.ActorCell.systemInvoke(ActorCell.scala:483)
at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:282)
at akka.dispatch.Mailbox.run(Mailbox.scala:223)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.kafka.common.KafkaException: Failed to construct kafka consumer
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:648)
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:542)
at com.softwaremill.react.kafka.ReactiveKafkaConsumer.consumer$lzycompute(ReactiveKafkaConsumer.scala:31)
at com.softwaremill.react.kafka.ReactiveKafkaConsumer.consumer(ReactiveKafkaConsumer.scala:30)
at com.softwaremill.react.kafka.KafkaActorPublisher.<init>(KafkaActorPublisher.scala:17)
at com.softwaremill.react.kafka.ReactiveKafka$$anonfun$consumerActorProps$1.apply(ReactiveKafka.scala:270)
at com.softwaremill.react.kafka.ReactiveKafka$$anonfun$consumerActorProps$1.apply(ReactiveKafka.scala:270)
at akka.actor.TypedCreatorFunctionConsumer.produce(IndirectActorProducer.scala:87)
at akka.actor.Props.newActor(Props.scala:214)
at akka.actor.ActorCell.newActor(ActorCell.scala:562)
at akka.actor.ActorCell.create(ActorCell.scala:588)
... 7 more
Caused by: java.lang.IllegalArgumentException: No enum constant org.apache.kafka.clients.consumer.OffsetResetStrategy.EARLİEST
at java.lang.Enum.valueOf(Enum.java:238)
at org.apache.kafka.clients.consumer.OffsetResetStrategy.valueOf(OffsetResetStrategy.java:15)
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:588)
... 17 more
{noformat}




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