[jira] [Resolved] (SPARK-25315) setting "auto.offset.reset" to "earliest" has no effect in Structured Streaming with Spark 2.3.1 and Kafka 1.0

["Shixiong Zhu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-25315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shixiong Zhu resolved SPARK-25315.
----------------------------------
    Resolution: Not A Bug

> setting "auto.offset.reset" to "earliest" has no effect in Structured Streaming with Spark 2.3.1 and Kafka 1.0
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-25315
>                 URL: https://issues.apache.org/jira/browse/SPARK-25315
>             Project: Spark
>          Issue Type: Bug
>          Components: Structured Streaming
>    Affects Versions: 2.3.1
>         Environment: Standalone; running in IDEA
>            Reporter: Zhenhao Li
>            Priority: Major
>
> The following code won't read from the beginning of the topic
> ```
> {code:java}
> val kafkaOptions = Map[String, String](
>  "kafka.bootstrap.servers" -> KAFKA_BOOTSTRAP_SERVERS,
>  "subscribe" -> TOPIC,
>  "group.id" -> GROUP_ID,
>  "auto.offset.reset" -> "earliest"
> )
> val myStream = sparkSession
>     .readStream
>     .format("kafka")
>     .options(kafkaOptions)
>     .load()
>     .selectExpr("CAST(key AS STRING)", "CAST(value AS STRING)")
>   myStream
>     .writeStream
>     .format("console")
>     .start()
>     .awaitTermination()
> {code}
> ```



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