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https://issues.apache.org/jira/browse/KAFKA-14328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luke Chen reassigned KAFKA-14328:
---------------------------------

    Assignee: shizhenzhen

> KafkaAdminClient should be Changing the exception level When an exception 
> occurs
> --------------------------------------------------------------------------------
>
>                 Key: KAFKA-14328
>                 URL: https://issues.apache.org/jira/browse/KAFKA-14328
>             Project: Kafka
>          Issue Type: Improvement
>          Components: admin
>    Affects Versions: 3.3
>            Reporter: shizhenzhen
>            Assignee: shizhenzhen
>            Priority: Major
>         Attachments: image-2022-10-21-11-19-21-064.png, 
> image-2022-10-21-14-56-31-753.png, image-2022-10-21-16-54-40-588.png, 
> image-2022-10-21-16-56-45-448.png, image-2022-10-21-16-58-19-353.png, 
> image-2022-10-24-14-28-10-365.png, image-2022-10-24-14-47-30-641.png, 
> image-2022-10-24-14-48-27-907.png
>
>
>  
>  
> KafkaAdminClient 的一些日志全部是 log.trace.  当遇到异常的时候根本不知道什么原因,导致排查问题非常艰难。
>  
> 就比如下面这里,当去请求Metadata请求的时候,如果查询到的Topic有分区Leader=-1的时候,就会抛出异常;
>  
> 但是这个时候实际上异常是被吞掉了的,这里往上面抛出异常之后,到了下面第二张图的 Catch部分。
> 他会把这个请求重新放到到请求队列中。然后就会陷入无限读重试之后,直到达到超时时间抛出异常:Timed out waiting for a node 
> assignment. Call: metadata
>  
> 无法给Metadata请求分配节点,正常情况下谁知道他真正的异常其实是
>  
> ```
> org.apache.kafka.common.errors.LeaderNotAvailableException: There is no 
> leader for this topic-partition as we are in the middle of a leadership 
> election.
>  
> ```
>  
>  
>  
>  
> !https://user-images.githubusercontent.com/10442648/196944422-e11b732f-6f7f-4f77-8d9c-1f0544257461.png!
>  
>  
>  
> 下面截图那里是我改成的warn基本的日志
> !image-2022-10-21-11-19-21-064.png!
>  
> 所以我希望这里的log.trace 能改成 log.warn ; 给一个提醒。
> 就可以说明当前因为某个异常的原因而导致可能的重试。
>  
>  
> ----
>  
>  
> !image-2022-10-21-14-56-31-753.png!
>  



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