[GitHub] [shardingsphere-elasticjob] xlcn opened a new issue, #2166: Create the same task on multiple machines concurrently, has class name conflict check error

[GitBox]

xlcn opened a new issue, #2166:
URL: https://github.com/apache/shardingsphere-elasticjob/issues/2166

   ## Bug Report
   
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issues](https://github.com/apache/shardingsphere-elasticjob/issues).
   - Read documentation: [ElasticJob 
Doc](https://shardingsphere.apache.org/elasticjob/current/en/overview/).
   
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   Please answer these questions before submitting your issue. Thanks!
   
   ### Which version of ElasticJob did you use?
   3.0.2
   
   ### Which project did you use? ElasticJob-Lite or ElasticJob-Cloud?
   ElasticJob-Lite
   
   ### Expected behavior
   multi machines create job success
   
   ### Actual behavior
   one machine create job error, one machine create job success
   <img width="1688" alt="image" 
src="https://user-images.githubusercontent.com/25291149/209085369-c9b426e0-4f1b-4206-aeac-b19345c247f9.png";>
   <img width="1443" alt="image" 
src="https://user-images.githubusercontent.com/25291149/209085686-a0ce4a19-db70-43ed-92e8-5bc74eb6d221.png";>
   
   ### Reason analyze (If you can)
   when job create not completely, job key value is '' , the code just check is 
null or not, not check '', so throw conflict error
   <img width="636" alt="image" 
src="https://user-images.githubusercontent.com/25291149/209087377-616be53a-2b6f-4c9f-8008-e1830680c08f.png";>
   
   
   ### Steps to reproduce the behavior.
   check '' String
   
   ### Example codes for reproduce this issue (such as a github link).
   


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