[GitHub] rabbah commented on a change in pull request #2582: Use non-blocking techniques when interfacing to Kafka.

[gi...@git.apache.org]

rabbah commented on a change in pull request #2582: Use non-blocking techniques when interfacing to Kafka.
URL: https://github.com/apache/incubator-openwhisk/pull/2582#discussion_r131738939
 
 

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 File path: common/scala/src/main/scala/whisk/connector/kafka/KafkaConsumerConnector.scala
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 @@ -31,6 +31,10 @@ import org.apache.kafka.common.serialization.ByteArrayDeserializer
 
 import whisk.common.Logging
 import whisk.core.connector.MessageConsumer
+import org.apache.kafka.clients.consumer.OffsetCommitCallback
+import org.apache.kafka.clients.consumer.OffsetAndMetadata
+import scala.concurrent.Promise
+import org.apache.kafka.common.TopicPartition
 
 Review comment:
   small nit can we sort these imports
 
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