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Posted to notifications@seata.apache.org by "xuxiaowei-com-cn (via GitHub)" <gi...@apache.org> on 2026/05/09 07:07:03 UTC
[I] Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6 [incubator-seata]
xuxiaowei-com-cn opened a new issue, #8096:
URL: https://github.com/apache/incubator-seata/issues/8096
### Check Ahead
- [x] I have searched the [issues](https://github.com/seata/seata/issues) of this repository and believe that this is not a duplicate.
- [x] I am willing to try to implement this feature myself.
### Why you need it?
# 中文
- seata 2.6.0 使用的 nacos-client 是 1.4.6
- seata 2.6.0 连接 nacos-server 3.1.2 正常：
1. 源码：https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/tree/5371e5084896beb658e0d8ae2026d04c6dd2b43d
2. github actions：https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/actions/runs/25452262821
- seata 2.6.0 连接 nacos-server 3.2.0 异常：
```
Caused by: com.alibaba.nacos.api.exception.NacosException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: <html><body><h1>Whitelabel Error Page</h1><p>This application has no explicit mapping for /error, so you are seeing this as a fallback.</p><div id='created'>Sat May 09 14:49:36 CST 2026</div><div>There was an unexpected error (type=Not Implemented, status=501).</div><div>no such api:POST:/nacos/v1/ns/instance</div></body></html>
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:565) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:507) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:502) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:255) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:218) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:202) ~[nacos-client-1.4.6.jar:na]
at org.apache.seata.discovery.registry.nacos.NacosRegistryServiceImpl.register(NacosRegistryServiceImpl.java:118) ~[seata-discovery-nacos-2.6.0.jar:2.6.0]
at org.apache.seata.discovery.registry.RegistryService.register(RegistryService.java:77) ~[seata-discovery-core-2.6.0.jar:2.6.0]
at org.apache.seata.core.rpc.netty.NettyServerBootstrap.start(NettyServerBootstrap.java:203) ~[seata-core-2.6.0.jar:2.6.0]
... 19 common frames omitted
```
- seata 2.6.0 使用 nacos-client 2.0.0 连接 nacos-server 3.2.0 正常：
1. 源码：https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/tree/4029aaa368a64022993b12cae0d668475fafe2be
2. github actions：https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/actions/runs/25594086059
- 计划在 seata 2.7.0 发布后，开启 seata 2.8.0 对 spring boot 4.x 的合并窗口，建议在 2.8.0 对 nacos-client 进行升级，最低要求 nacos-client 2.0.0+
- https://github.com/apache/incubator-seata/issues/8053
# English
- seata 2.6.0 uses nacos-client 1.4.6
- seata 2.6.0 connects to nacos-server 3.1.2 normally:
1. Source code: https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/tree/5371e5084896beb658e0d8ae2026d04c6dd2b43d
2. GitHub Actions: https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/actions/runs/25452262821
- seata 2.6.0 fails to connect to nacos-server 3.2.0:
```
Caused by: com.alibaba.nacos.api.exception.NacosException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: <html><body><h1>Whitelabel Error Page</h1><p>This application has no explicit mapping for /error, so you are seeing this as a fallback.</p><div id='created'>Sat May 09 14:49:36 CST 2026</div><div>There was an unexpected error (type=Not Implemented, status=501).</div><div>no such api:POST:/nacos/v1/ns/instance</div></body></html>
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:565) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:507) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:502) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:255) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:218) ~[nacos-client-1.4.6.jar:na]
at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:202) ~[nacos-client-1.4.6.jar:na]
at org.apache.seata.discovery.registry.nacos.NacosRegistryServiceImpl.register(NacosRegistryServiceImpl.java:118) ~[seata-discovery-nacos-2.6.0.jar:2.6.0]
at org.apache.seata.discovery.registry.RegistryService.register(RegistryService.java:77) ~[seata-discovery-core-2.6.0.jar:2.6.0]
at org.apache.seata.core.rpc.netty.NettyServerBootstrap.start(NettyServerBootstrap.java:203) ~[seata-core-2.6.0.jar:2.6.0]
... 19 common frames omitted
```
- seata 2.6.0 with nacos-client 2.0.0 connects to nacos-server 3.2.0 normally:
1. Source code: https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/tree/4029aaa368a64022993b12cae0d668475fafe2be
2. GitHub Actions: https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example/actions/runs/25594086059
- After seata 2.7.0 is released, we plan to open the merge window for seata 2.8.0 to support Spring Boot 4.x. It is recommended to upgrade nacos-client in 2.8.0, with a minimum requirement of nacos-client 2.0.0+
- https://github.com/apache/incubator-seata/issues/8053
### How it could be?
_No response_
### Other related information
_No response_
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Re: [I] Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6 [incubator-seata]
Posted by "xuxiaowei-com-cn (via GitHub)" <gi...@apache.org>.
xuxiaowei-com-cn commented on issue #8096:
URL: https://github.com/apache/incubator-seata/issues/8096#issuecomment-4413960600
@funky-eyes
- 已经完成多个 nacos-server 版本测试，现已可以合并、在 2.7 中发布。
- Multiple nacos-server version tests have been completed and can now be merged and released in 2.7.
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Re: [I] Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6 [incubator-seata]
Posted by "xuxiaowei-com-cn (via GitHub)" <gi...@apache.org>.
xuxiaowei-com-cn commented on issue #8096:
URL: https://github.com/apache/incubator-seata/issues/8096#issuecomment-4412798155
@funky-eyes
- 第一列：nacos-server 版本
- 第二列：seata-server 版本
- 第三列：seata-server 使用的 `com.alibaba.nacos:nacos-client` 版本
- 第四列：测试结果
- 第五列：https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example 仓库分支
- 测试原理：通过修改 https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example 仓库的 seata-server-2.x 模块中的 `com.alibaba.nacos:nacos-client` 版本进行测试
- 文档：https://xuxiaowei.io/t/apache-seata/355
- First column: `nacos-server` version
- Second column: `seata-server` version
- Third column: `com.alibaba.nacos:nacos-client` version used by `seata-server`
- Fourth column: Test result
- Fifth column: Branch of https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example repository
- Testing principle: Test by modifying the `com.alibaba.nacos:nacos-client` version in the `seata-server-2.x` module of the https://github.com/xuxiaowei-com-cn/spring-cloud-alibaba-example repository
- Documentation: https://xuxiaowei.io/t/apache-seata/355
| nacos-server | seata-server | nacos-client | result | branch |
|--------------|--------------|--------------|--------|------------------------|
| v2.4.2 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v2.4.x |
| v2.4.3 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v2.4.x |
| v2.5.0 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v2.5.x |
| v2.5.1 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v2.5.x |
| v2.5.2 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v2.5.x |
| v3.0.0 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.0.1 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.0.2 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.0.3 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.1.0 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.1.1 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.1.2 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.2.0 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
| v3.2.1 | 2.6.0 | 2.0.4 | ✅ | xuxiaowei/nacos-v3 |
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Re: [I] Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6 [incubator-seata]
Posted by "funky-eyes (via GitHub)" <gi...@apache.org>.
funky-eyes commented on issue #8096:
URL: https://github.com/apache/incubator-seata/issues/8096#issuecomment-4411937243
> > If we upgrade on top of 2.7.0, will there be any breaking changes? If not, I think we should upgrade the Nacos component in the 2.7.0 release.
>
> * 因为没有测试过其他 nacos-server 版本，不确定升级 nacos-client 是否会遇见兼容性问题。
> * Because I haven't tested other nacos-server versions, I'm not sure if upgrading the nacos-client will encounter compatibility issues.
Seata’s CI pipeline pulls Nacos, so perhaps you can verify compatibility by pulling different versions of the Nacos server.
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Re: [I] Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6 [incubator-seata]
Posted by "funky-eyes (via GitHub)" <gi...@apache.org>.
funky-eyes commented on issue #8096:
URL: https://github.com/apache/incubator-seata/issues/8096#issuecomment-4411842156
If we upgrade on top of 2.7.0, will there be any breaking changes?
If not, I think we should upgrade the Nacos component in the 2.7.0 release.
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Re: [I] Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6 [incubator-seata]
Posted by "funky-eyes (via GitHub)" <gi...@apache.org>.
funky-eyes closed issue #8096: Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6
URL: https://github.com/apache/incubator-seata/issues/8096
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Re: [I] Incompatibility between Seata 2.6.0 and Nacos Server 3.2.0 due to outdated nacos-client 1.4.6 [incubator-seata]
Posted by "xuxiaowei-com-cn (via GitHub)" <gi...@apache.org>.
xuxiaowei-com-cn commented on issue #8096:
URL: https://github.com/apache/incubator-seata/issues/8096#issuecomment-4411853258
> If we upgrade on top of 2.7.0, will there be any breaking changes? If not, I think we should upgrade the Nacos component in the 2.7.0 release.
- 因为没有测试过其他 nacos-server 版本，不确定升级 nacos-client 是否会遇见兼容性问题。
- Because I haven't tested other nacos-server versions, I'm not sure if upgrading the nacos-client will encounter compatibility issues.
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