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https://issues.apache.org/jira/browse/SPARK-24743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cody Koeninger resolved SPARK-24743.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.0

Issue resolved by pull request 21717
[https://github.com/apache/spark/pull/21717]

> Update the JavaDirectKafkaWordCount example to support the new API of Kafka
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-24743
>                 URL: https://issues.apache.org/jira/browse/SPARK-24743
>             Project: Spark
>          Issue Type: Bug
>          Components: Examples
>    Affects Versions: 2.3.1
>            Reporter: luochuan
>            Assignee: luochuan
>            Priority: Minor
>             Fix For: 2.4.0
>
>
> when I ran the example JavaDirectKafkaWordCount as follows:
> ./bin/spark-submit --class 
> org.apache.spark.examples.streaming.JavaDirectKafkaWordCount --master local 
> --jars /somepath/spark-streaming-kafka-0-10-assembly_2.11-2.3.1.jar 
> examples/jars/spark-examples_2.11-2.3.1.jar kafka-broker:port topic
> Then a error happened: 
> 'org.apache.kafka.common.config.ConfigException:Missing required 
> configuration "bootstrap.servers" which has no default value'. So I looked 
> into the code and found the example JavaDirectKafkaWordCount  misses some 
> kafka required configs.  



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