在第二个消息组件上单击，并且像上面那样设定。
Click on the second message component and set it up like the one above. However this time the Id attribute should be set to a unique value such as message2.
在第二个服务处理完消息后，第一个服务将它作为回复发送给调用者。
After the second service processes the message, the first service sends it back to the caller as a reply.
在第二个场景中，成功登录之后通过操作系统消息控制台在损坏的文件系统上运行命令fsck。
In the second scenario, the command FSCK is executed on the corrupted file system from the OS messages console after successful login.
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