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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/03/10 11:43:49 UTC

[GitHub] [dubbo] zcbbpo opened a new issue #9764: ServiceCheckUtils isRegistered seem throw class cast exception

zcbbpo opened a new issue #9764:
URL: https://github.com/apache/dubbo/issues/9764


   Hi, The telnet dubbo will throw class cast exception
   
   ### Environment
   
   * Dubbo version: 2.7.13
   * Operating System version: mac os 12.2
   * Java version: 1.8
   
   ### Steps to reproduce this issue
   
   1. enable qos
   2. open cmd and type telnet ip port
   3. type ls
   The console display class cast exception
   ![image](https://user-images.githubusercontent.com/54526829/157654979-f115431d-fbb8-42f3-97a8-5d51e32a793c.png)
   
   
   
   I have debug and see the source _code:
   org.apache.dubbo.qos.command.util.ServiceCheckUtils#isRegistered
   and find 
   ![image](https://user-images.githubusercontent.com/54526829/157654435-3191a805-6e05-4c0a-bdcb-d0208aed8432.png)
   org.apache.dubbo.registry.client.ServiceDiscoveryRegistry was not extend org.apache.dubbo.registry.support.AbstractRegistry
   So 
   `AbstractRegistry abstractRegistry = (AbstractRegistry) registries.iterator().next()`
   this code will throws class cast exception
   
   


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[GitHub] [dubbo] zcbbpo closed issue #9764: ServiceCheckUtils isRegistered seem throw class cast exception

Posted by GitBox <gi...@apache.org>.

zcbbpo closed issue #9764:
URL: https://github.com/apache/dubbo/issues/9764


   


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