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Posted to dev@servicecomb.apache.org by GitBox <gi...@apache.org> on 2020/08/06 11:35:23 UTC
[GitHub] [servicecomb-mesher] xiangyanggong opened a new issue #124: servicecomb-edge调用mesher代理的服务失败
xiangyanggong opened a new issue #124:
URL: https://github.com/apache/servicecomb-mesher/issues/124
看了文档，也运行了bmi的实例，基本上理解mesher的工作原理以及使用方法，但我疑惑的是servicecomb体系所有的通信都是围绕“契约”的，如果说我现在的新系统是基于servicecomb的，所有新的微服务也是使用 java-chasis 编写，但有一个老的服务B使用的是nodejs可以直接复用，那我使用mesher将该服务集成进新的系统。
假设现在使用一个基于java-chasis开发的微服务A调用B
1.是否B需要手动编写“契约”文件呢？因为A调用B的API时会从SC拉取契约，如果没有契约的话，调用应该会失败
2.假设B需要提供契约文件，为什么我每次启动mesher（1.6.3）之后，我写的契约都会删除，然后mesher自己创建一个新的契约文件
目前测试的结果使用 request -> edge (java) -> mesher -> nodejs，edge会报错
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[GitHub] [servicecomb-mesher] xiangyanggong closed issue #124: servicecomb-edge调用mesher代理的服务失败
Posted by GitBox <gi...@apache.org>.
xiangyanggong closed issue #124:
URL: https://github.com/apache/servicecomb-mesher/issues/124
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[GitHub] [servicecomb-mesher] xiangyanggong commented on issue #124: servicecomb-edge调用mesher代理的服务失败
Posted by GitBox <gi...@apache.org>.
xiangyanggong commented on issue #124:
URL: https://github.com/apache/servicecomb-mesher/issues/124#issuecomment-671701864
通过验证得出：
1.如果基于java-chassis开发的微服务A需要调用异构服务B，服务B使用mesher代理，是需要提供手写的契约文件
2.关于手动编写的契约在mesher启动时会被覆盖，这个是需要在mesher的chassis.yml文件中添加配置：cse.noRefreshSchema=true（PS: 关于这个配置 go-chassis项目中有相关说明），这样的话，就不会自动生成契约了
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[GitHub] [servicecomb-mesher] tianxiaoliang commented on issue #124: servicecomb-edge调用mesher代理的服务失败
Posted by GitBox <gi...@apache.org>.
tianxiaoliang commented on issue #124:
URL: https://github.com/apache/servicecomb-mesher/issues/124#issuecomment-671675561
这是个bug，mesher应该屏蔽段自动契约生成的能力
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