apache/dubbo
[Bug] Compatibility issues when migrating from Dubbo 2.5.x to 3.3.x
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#16,046 opened on 2026/01/24
help wanted
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説明
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- I am sure that all the content I provide is in English.
Search before asking
- I had searched in the issues and found no similar issues.
Apache Dubbo Component
Java SDK (apache/dubbo)
Dubbo Version
Dubbo 3.3.5, JDK 1.8, Linux
Steps to reproduce this issue
When migrating Dubbo2.5.x project up to 3.3.x, there are two issues found.
-
If there are two registry defined, but their properties are all same except the Id of registry. This is ok with Dubbo 2.5.x, but the project cannot start with Dubbo 3.3.x.
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If there is dubbo:annoation in the xml config, the project cannot start with Dubbo 3.3.x
What you expected to happen
It should be smooth during migration up to 3.3.x.
Anything else
No response
Do you have a (mini) reproduction demo?
- Yes, I have a minimal reproduction demo to help resolve this issue more effectively!
Are you willing to submit a pull request to fix on your own?
- Yes I am willing to submit a pull request on my own!
Code of Conduct
- I agree to follow this project's Code of Conduct