[GitHub] [shardingsphere-elasticjob] zjcnb opened a new issue #2006: Repeat instances ip when update job

[GitBox <gi...@apache.org>]

zjcnb opened a new issue #2006:
URL: https://github.com/apache/shardingsphere-elasticjob/issues/2006


   ## Bug Report
   
   **For English only**, other languages will not accept.
   
   Before report a bug, make sure you have:
   
   - Searched open and closed [GitHub issues](https://github.com/apache/shardingsphere-elasticjob/issues).
   - Read documentation: [ElasticJob Doc](https://shardingsphere.apache.org/elasticjob/current/en/overview/).
   
   Please pay attention on issues you submitted, because we maybe need more details. 
   If no response anymore and we cannot reproduce it on current information, we will **close it**.
   
   Please answer these questions before submitting your issue. Thanks!
   
   ### Which version of ElasticJob did you use?
   
   3.0.1
   
   ### Which project did you use? ElasticJob-Lite or ElasticJob-Cloud?
   
   ElasticJob-Lite
   
   ### Expected behavior
   
   Only one instances ip
   
   ### Actual behavior
   
   two instances ip
   
   ![image](https://user-images.githubusercontent.com/33742097/140471671-21586a00-2b1c-4681-a0e2-c8ca2b5db4f5.png)
   
   
   update job code:
   
   
   ```
    for (Entry<String, DatabaseDiscoveryDataSourceRule> entry : dataSourceRules.entrySet()) {
                   ZookeeperRegistryCenter registryCenter = new ZookeeperRegistryCenter(new ZookeeperConfiguration(entry.getValue().getDatabaseDiscoveryType().getProps().getProperty("zkServerLists"), "mgr-elasticjob"));
                   registryCenter.init();
                   new JobConfigurationAPIImpl(registryCenter).updateJobConfiguration(createJobConfiguration("MGR-" + entry.getKey(), entry.getValue().getDatabaseDiscoveryType().getProps().getProperty("keepAliveCron")));
               }
               
   ```
   
   
   ```
    private JobConfigurationPOJO createJobConfiguration(final String jobName, final String cron) {
           JobConfigurationPOJO result = new JobConfigurationPOJO();
           result.setJobName(jobName);
           result.setCron(cron);
           result.setShardingTotalCount(1);
           return result;
       }
   ```
   
   
   


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