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Posted to notifications@dubbo.apache.org by "GissilyWork (via GitHub)" <gi...@apache.org> on 2023/06/09 18:02:29 UTC

[GitHub] [dubbo] GissilyWork opened a new issue, #12487: 反馈一下flattenMode改为oss后发布的版本（3.2.1，3.2.2）在升级时遇到的问题

GissilyWork opened a new issue, #12487:
URL: https://github.com/apache/dubbo/issues/12487

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   原有demo项目大致结构如下：
   ```
   jdk: 17
   spring boot: 3.0
   dubbo: 3.2.0
   ```
   
   在parent 模块使用dependencyManagement 方式引入dubbo-bom
   ```xml
   <dependencyManagement>
   ....
       <dependency>
         <groupId>org.apache.dubbo</groupId>
         <artifactId>dubbo-bom</artifactId>
         <version>${dubbo.version}</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
   ...
   </dependencyManagement>
   ```
   ### 1
   从3.2.0升级到3.2.2后发现
   
   dubbo-bom 无法将 dubbo-dependencies-bom 下的依賴帶入，
   例如demo项目下module-a 引入 dubbo-dependencies-bom 所控制的io.protostuff组件
   ```xml
    ....
      <dependency>
         <groupId>io.protostuff</groupId>
         <artifactId>protostuff-core</artifactId>
       </dependency>
       <dependency>
         <groupId>io.protostuff</groupId>
         <artifactId>protostuff-runtime</artifactId>
       </dependency>
   ...
   ```
   在编译时候都是 jar is missing 相关的错误，需要将dubbo-dependencies-bom 额外增加到dependencyManagement
   
   ### 2
   
   增加dubbo-dependencies-bom 后，zookeeper的demo一直在报错:
   ```
   java.lang.NoClassDefFoundError: org/apache/zookeeper/admin/ZooKeeperAdmin
   ```
   发现demo中zookeeper 只是3.4.14而非之前的3.7.0，对比发布的dubbo-dependencies-bom.pom文件和源码发现，flatten插件在oss模式下将profile全部删除，源码以下profile失效；
   ```xml
   <profile>
     <id>curator5</id>
     <activation>
         <jdk>[17,)</jdk>
     </activation>
     <properties>
         <zookeeper_version>3.7.0</zookeeper_version>
         <curator_version>5.1.0</curator_version>
     </properties>
   </profile>
   ```
   需要额外地将zookeeper，curator组件加入项目中。
   
   ### 问题
   自从有dubbo-bom模块后，现有项目大部份都以dependencyManagement的import方式引入dubbo，目前发现只有3.2.x版本系列的flattenMode改为oss。
   问题1: dubbo团队是否会全线版本更改flattenMode为oss？
   问题2: 对于已更改版本，dubbo-bom未来是否会调整结构，还是建议使用者import多个bom模块？
   
   
   


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