[jira] [Created] (KAFKA-1038) fetch response should use empty messageset instead of null when handling errors

[Jun Rao (JIRA)]

Jun Rao created KAFKA-1038:
------------------------------

             Summary: fetch response should use empty messageset instead of 
null when handling errors
                 Key: KAFKA-1038
                 URL: https://issues.apache.org/jira/browse/KAFKA-1038
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 0.8
            Reporter: Jun Rao
            Assignee: Jun Rao


Saw the following exception:

Exception when handling request (kafka.server.KafkaRequestHandler)
java.lang.NullPointerException
        at
kafka.api.FetchResponsePartitionData.<init>(FetchResponse.scala:46)
        at kafka.api.FetchRequest$$anonfun$2.apply(FetchRequest.scala:158)
        at kafka.api.FetchRequest$$anonfun$2.apply(FetchRequest.scala:156)
        at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:233)
        at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:233)
        at
scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:178)
        at
scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:347)
        at
scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:347)
        at
scala.collection.TraversableLike$class.map(TraversableLike.scala:233)
        at scala.collection.immutable.HashMap.map(HashMap.scala:38)
        at kafka.api.FetchRequest.handleError(FetchRequest.scala:156)
        at kafka.server.KafkaApis.handle(KafkaApis.scala:78)
        at
kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:42)
        at java.lang.Thread.run(Thread.java:662)


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