[GitHub] [pulsar] leizhiyuan opened a new issue, #17681: [Bug] if dynamicConfig item in zk do not exist in broker, will fail for other dynamic config

[GitBox]

leizhiyuan opened a new issue, #17681:
URL: https://github.com/apache/pulsar/issues/17681

   ### Search before asking
   
   - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) 
and found nothing similar.
   
   
   ### Version
   
   master
   
   ### Minimal reproduce step
   
   we upgrade broker ,add a new dynamic config,then we have a,b,c in zk config
   
   
   then we rollback broker, only a ,c exist in broker code,
   
   
    Field configField = dynamicConfigurationMap.get(configKey).field;
   
   
   dynamicConfigurationMap.get(configKey) will be null
   
   
   
   <img width="1288" 
alt="WeChatWorkScreenshot_e20064b8-75c7-4ac8-bd1f-ea3e0e43657a" 
src="https://user-images.githubusercontent.com/2684384/190540950-a561916e-d58c-4010-9ccd-98bf334defc3.png";>
   
   
   <img width="668" 
alt="WeChatWorkScreenshot_8d3ad1a7-ba04-4380-9ccb-ff9713459987" 
src="https://user-images.githubusercontent.com/2684384/190540961-f496a545-21fe-44c0-80d5-c827efe8c781.png";>
   
   
   ### What did you expect to see?
   
   if dynamic config is null ,skip it
   
   ### What did you see instead?
   
   <img width="1580" alt="企业微信截图_5c6c7c39-a9ed-46e4-a068-23620195a6d5" 
src="https://user-images.githubusercontent.com/2684384/190541007-df589c24-6892-41db-974a-2d8344caddb3.png";>
   
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [ ] I'm willing to submit a PR!


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