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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/10/08 09:45:04 UTC
[GitHub] [dubbo] skl2226800347 opened a new issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
skl2226800347 opened a new issue #8992:
URL: https://github.com/apache/dubbo/issues/8992
- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
- [ ] I have checked the [FAQ](https://github.com/apache/dubbo/blob/master/FAQ.md) of this repository and believe that this is not a duplicate.
### Environment
* Dubbo version: xxx
* Operating System version: xxx
* Java version: xxx
### Steps to reproduce this issue
1. xxx
2. xxx
3. xxx
Pls. provide [GitHub address] to reproduce this issue.
### Expected Result
What do you expected from the above steps？
### Actual Result
What actually happens?
If there is an exception, please attach the exception trace:
```
Just put your stack trace here!
```
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[GitHub] [dubbo] CrazyHZM closed issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
CrazyHZM closed issue #8992:
URL: https://github.com/apache/dubbo/issues/8992
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[GitHub] [dubbo] skl2226800347 commented on issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
skl2226800347 commented on issue #8992:
URL: https://github.com/apache/dubbo/issues/8992#issuecomment-950125225
1、项目使用的是springmvc+dubbo，
2、<dubbo:reference id="summaryDubboService" interface="com.xx.AA.SummaryDubboService" timeout="10000" check="false" version="1.0.0"/>
<dubbo:reference id="summaryDubboServices" interface="com.xx.BB.SummaryDubboService" timeout="10000" check="false" version="1.0.0"/>
但是实际代码中使用的是com.xx.BB.SummaryDubboService ,如下所示
@Autowired
private com.xx.BB.SummaryDubboService summaryDubboService;
public void xx(xx xx){
summaryDubboService.update(xx);
}
执行xx方法就抛出异常：No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random。问题大多数生产环境没有问题，只有一个生产环境有问题，但是该生产环境其它系统的dubbo接口调用又是正常的。
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[GitHub] [dubbo] 24kpure commented on issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
24kpure commented on issue #8992:
URL: https://github.com/apache/dubbo/issues/8992#issuecomment-949473908
You’d better provide more information ,for example ,demo or code to reproduce this problem. Thanks ~
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[GitHub] [dubbo] CrazyHZM commented on issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
CrazyHZM commented on issue #8992:
URL: https://github.com/apache/dubbo/issues/8992#issuecomment-950333526
Try it with the latest version, if you still have problems, you can reopen the issue
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[GitHub] [dubbo] skl2226800347 commented on issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
skl2226800347 commented on issue #8992:
URL: https://github.com/apache/dubbo/issues/8992#issuecomment-950466491
我想知道dubbo 2.7.7版本产生这个问题的真正原因是什么？能详细说一下吗？
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[GitHub] [dubbo] 24kpure commented on issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
24kpure commented on issue #8992:
URL: https://github.com/apache/dubbo/issues/8992#issuecomment-947511958
Can you find org.apache.dubbo.rpc.cluster.loadbalance.RandomLoadBalance in your project?RandomLoadBalance is the default implementation of LoadBalance.
## Reference
org.apache.dubbo.rpc.cluster.LoadBalance
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[GitHub] [dubbo] skl2226800347 commented on issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
skl2226800347 commented on issue #8992:
URL: https://github.com/apache/dubbo/issues/8992#issuecomment-948206996
项目解压后，依赖的是dubbo-2.7.7.jar 再解压：1、里面是有org.apache.dubbo.rpc.cluster.loadbalance.RandomLoadBalance class文件；2、META-INF/dubbo/internal路径下也org.apache.dubbo.rpc.cluster.LoadBalance文件。
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[GitHub] [dubbo] skl2226800347 commented on issue #8992: 程序启动成功后，绝大数环境是可以调用dubbo接口是成功的，只有一个环境调用dubbo失败，异常信息No such extension org.apache.dubbo.rpc.cluster.LoadBalance by name random
Posted by GitBox <gi...@apache.org>.
skl2226800347 commented on issue #8992:
URL: https://github.com/apache/dubbo/issues/8992#issuecomment-938505115
这是什么原因导致的？
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