## What is the purpose of the change 为了严谨，避免ClassNotFoundException，确保Service Interface和Invocation Interface采用同一个ClassLoader
## Brief changelog Service Interface 采用 Invocation Interface 的 ClassLoader 进行加载 ## Verifying this change org.apache.dubbo.common.utils.ReflectUtils org.apache.dubbo.rpc.support.RpcUtils Follow this checklist to help us incorporate your contribution quickly and easily: - [x] Make sure there is a [GITHUB_issue](https://github.com/apache/incubator-dubbo/issues) filed for the change (usually before you start working on it). Trivial changes like typos do not require a GITHUB issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue. - [x] Format the pull request title like `[Dubbo-XXX] Fix UnknownException when host config not exist #XXX`. Each commit in the pull request should have a meaningful subject line and body. - [x] Write a pull request description that is detailed enough to understand what the pull request does, how, and why. - [x] Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add integration-test in [test module](https://github.com/apache/incubator-dubbo/tree/master/dubbo-test). - [x] Run `mvn clean install -DskipTests` & `mvn clean test-compile failsafe:integration-test` to make sure unit-test and integration-test pass. - [ ] If this contribution is large, please follow the [Software Donation Guide](https://github.com/apache/incubator-dubbo/wiki/Software-donation-guide). [ Full content available at: https://github.com/apache/incubator-dubbo/pull/2447 ] This message was relayed via gitbox.apache.org for [email protected]
