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Posted to notifications@dubbo.apache.org by "stonelion (via GitHub)" <gi...@apache.org> on 2023/04/14 12:57:41 UTC
[GitHub] [dubbo] stonelion opened a new issue, #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
stonelion opened a new issue, #12097:
URL: https://github.com/apache/dubbo/issues/12097
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- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
### Environment
* Dubbo version: 3.1.8
* Operating System version: xxx
* Java version: xxx
### Steps to reproduce this issue
1. registry 配置了 group。
2. 启用接口/应用同时注册。
3. 启动服务。
Pls. provide [GitHub address] to reproduce this issue.
### Expected Behavior
<!-- What do you expect from the above steps？-->
### Actual Behavior
<!-- What actually happens? -->
If there is an exception, please attach the exception trace:
```
java.lang.RuntimeException: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('.' (code 46)): Expected space separating root-level values
at [Source: [B@106f2425; line: 1, column: 8]
at org.apache.dubbo.common.function.ThrowableFunction.execute(ThrowableFunction.java:54) ~[dubbo-3.1.8.jar!/:3.1.8]
at org.apache.dubbo.common.function.ThrowableFunction.execute(ThrowableFunction.java:69) ~[dubbo-3.1.8.jar!/:3.1.8]
at org.apache.dubbo.registry.zookeeper.ZookeeperServiceDiscovery.doInServiceDiscovery(ZookeeperServiceDiscovery.java:185) ~[dubbo-3.1.8.jar!/:3.1.8]
```
原因是 ZookeeperServiceDiscovery 的 /services 目录没有使用二级目录创建，创建到同接口注册的 /{group}/{service-a} 路径下，导致基于接口的服务发现会在该目录下注册旧的（consumer、provider）等目录，导致无法反序列化。
<img width="498" alt="image" src="https://user-images.githubusercontent.com/5867317/232049292-a399c11b-dde7-4bbd-a925-d9a5c8b93a07.png">
预期，需要在 /{group}/services/{service-a}
<img width="542" alt="image" src="https://user-images.githubusercontent.com/5867317/232049904-94743aaf-51e0-4b50-b067-af42b8ca7e74.png">
或者有其他解决方式？
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Re: [I] 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败 [dubbo]
Posted by "roadToit (via GitHub)" <gi...@apache.org>.
roadToit commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-2019548728
请问这个问题有在哪个版本解决吗，我使用3.1.11版本也遇到了这个问题
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[GitHub] [dubbo] AlbumenJ commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1522646465
可以提供个 demo 应用我看下嘛
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1527506942
zookeeper 版本 3.4.14
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1521698721
是的，在使用 zookeeper 为注册中心时，就可以复现。 先用这个方法 -Ddubbo.registry.parameters.rootPath 规避了
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1685821064
> 是的，在使用 zookeeper 为注册中心时，就可以复现。 先用这个方法 -Ddubbo.registry.parameters.rootPath 规避了
用这个方式规避了。
@schneiderlin
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1508477722
指定 -Ddubbo.registry.parameters.rootPath=/dubbo_gray_service 貌似可以解决。
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1685994892
> 可以 reopen 吗, 不行的话我开个新的 issue. 我这已经几十个注册上去了, 换不了 rootPath
那很麻烦，难搞了。
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Re: [I] 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败 [dubbo]
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-2024266776
> @stonelion 请问这个问题有在哪个版本解决吗，我使用3.1.11版本也遇到了这个问题
用这个方法 -Ddubbo.registry.parameters.rootPath 规避，缺点是需要重启所有集群中的服务。
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[GitHub] [dubbo] AlbumenJ commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1515850041
没太懂是啥问题
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1522731063
>
1. 应用 A/B 都在同个以 zk 为注册中心。
2. 配置默认 dubbo.registry.group = gray_env
3. 应用 A dubbo 版本 3.1.8，仅 provider 。
4. 应用 B dubbo 版本 3.1.8，仅 consumer 。
5. 启动应用A
6. 启动应用B，这个时候，会报错
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[GitHub] [dubbo] AlbumenJ commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1525494124
> >
>
> 1. 应用 A/B 都在同个以 zk 为注册中心。
> 2. 配置默认 dubbo.registry.group = gray_env
> 3. 应用 A dubbo 版本 3.1.8，仅 provider 。
> 4. 应用 B dubbo 版本 3.1.8，仅 consumer 。
> 5. 启动应用A
> 6. 启动应用B，这个时候，会报错
我本地启了个 demo，没有复现
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1527139303
https://github.com/apache/dubbo-admin/issues/1021 类似的问题
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[GitHub] [dubbo] schneiderlin commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "schneiderlin (via GitHub)" <gi...@apache.org>.
schneiderlin commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1685867365
> 我本地启了个 demo，没有复现
@AlbumenJ 我先描述一下, 有需要我再给个最小复现的.
假设 zk 上的 dubbo 注册信息根路径是 /dubbo.
上面有接口级的例如
```
/dubbo/com.example.SomeInterface
```
还有应用级的, 例如
```
/dubbo/SomeService
- 127.0.0.1:20880
```
当 org.apache.dubbo.registry.zookeeper.ZookeeperRegistry#doSubscribe 调用的时候, 如果走到了 `ANY_VALUE.equals(url.getServiceInterface())` 的分支, 会把底下所有子节点都 subscribe.
即上面例子的 /dubbo/com.example.SomeInterface 和 /dubbo/SomeService 都 subscribe 了.
这两个子节点会触发
```java
for (String path : toCategoriesPath(url)) {
...
zkClient.create(path, false);
...
}
```
于是应用级的接口就会变成这样
```
/dubbo/SomeService
- 127.0.0.1:20880
- configurators
- consumers
- providers
- routers
```
应用级节点里面的每个子节点(例子中的127.0.0.1:20880)的内容应该是可以序列化到 ServiceInstance 的 json.
但是 configurators, consumers, providers, routers 这几个自动创建的不是 json. 导致解析错误
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[GitHub] [dubbo] stonelion closed issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion closed issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
URL: https://github.com/apache/dubbo/issues/12097
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[GitHub] [dubbo] schneiderlin commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "schneiderlin (via GitHub)" <gi...@apache.org>.
schneiderlin commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1685800927
@stonelion 怎么就关了, 现在是只有绕过的方案?
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[GitHub] [dubbo] schneiderlin commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "schneiderlin (via GitHub)" <gi...@apache.org>.
schneiderlin commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1685839535
可以 reopen 吗, 不行的话我开个新的 issue.
我这已经几十个注册上去了, 换不了 rootPath
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[GitHub] [dubbo] stonelion commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "stonelion (via GitHub)" <gi...@apache.org>.
stonelion commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1518579806
在配置了 dubbo.registry.group = aaa 的情况下。服务会在 /aaa/ 下注册服务发现信息。
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[GitHub] [dubbo] AlbumenJ commented on issue #12097: 在配置 group 情况下，接口/应用同时注册，会导致 consumer 无法读取到 provide 的服务信息，导致启动失败
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #12097:
URL: https://github.com/apache/dubbo/issues/12097#issuecomment-1521141923
> 当服务发现去扫描 /aaa/users 时，反序列化会报错。因为不是正确的服务 json。
这个是 Dubbo 去做的？
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