[jira] [Created] (SCB-548) Support Gracefully Shutdown

[yangyongzheng (JIRA)]

yangyongzheng created SCB-548:
---------------------------------

             Summary: Support Gracefully Shutdown
                 Key: SCB-548
                 URL: https://issues.apache.org/jira/browse/SCB-548
             Project: Apache ServiceComb
          Issue Type: Improvement
          Components: Java-Chassis
    Affects Versions: java-chassis-1.0.0-m2
            Reporter: yangyongzheng


We did not implement gracefully shutdown yet: 
```java
          // 当程序退出时，进行相关清理，注意：kill -9 {pid}下无效
          // 1. 去注册实例信息
          // TODO 服务优雅退出
          if (applicationContext instanceof AbstractApplicationContext) {
            ((AbstractApplicationContext) 
applicationContext).registerShutdownHook();
          }
```
 
  And had got an issue : 
https://github.com/apache/incubator-servicecomb-java-chassis/issues/685 from 
user.
  So it's time we must do it and remove this TODO



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