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https://issues.apache.org/jira/browse/FLINK-20109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17231354#comment-17231354
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xuhaoran commented on FLINK-20109:
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try to restart the sql client or restart the cluster  after add the jar,still 
Could not execute SQL statement. Reason:
java.lang.ClassNotFoundException: 
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer[~zhisheng]

> java.lang.ClassNotFoundException: 
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
> ------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-20109
>                 URL: https://issues.apache.org/jira/browse/FLINK-20109
>             Project: Flink
>          Issue Type: Bug
>          Components: Client / Job Submission
>    Affects Versions: 1.11.2
>         Environment: macos 10.14.6 
> flink 1.11.2
>            Reporter: xuhaoran
>            Priority: Major
>
> 按照官网例子 加载Kafka的连接器需要下载flink-sql-connector-kafka_2.11-1.11.2.jar
> 然后启动指令为./sql-client.sh embedded -lib xxx/ 
> 然后创建简单的sql语句 创建 Kafka table 
> 执行都ok
>  
> 但如果flink-sql-connector-kafka_2.11-1.11.2.jar 放在classpath里面  启动./sql-client.sh 
> embedded ps -ef|grep java 
> 也可以看到当前classpath加载了flink-sql-connector-kafka_2.11-1.11.2.jar
> 执行之前的创建kafka table 执行select * from table 
> 报错java.lang.ClassNotFoundException: 
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
> 怀疑类加载器有问题
>  



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