First, set up an Http client by using the Apache HttpClient (4.0.1) library.

首先，使用Apache HttpClient(4.0.1)库来创建一个HTTP客户端。

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For each server interaction, each user reuses two Apache HttpClient objects to communicate with the server through HTTP.

对于每一次服务器交流，每一个用户都重复使用两个Apache HttpClient对象来与服务器通过HTTP进行交流。

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Use the Apache HttpClient library for publishing updates to the Pachube system, and the Jetty lightweight Web server to implement the listener component.

使用Apache httpclient库将更新发布到Pachube系统，并使用Jetty light weight web服务器实现监听组件。

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