Many worker threads can suddenly block and wait for some timeout to expire; in the meantime however, new work arrives to the server.

很多工作线程可能会突然阻塞，并等待超时过期，不过同时又有新工作送到服务器。

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Thus, the WebSphere Application Server login session will not expire if the user performs no action for some period of time.

因此，如果用户在一段时间内没有执行任何动作，WebSphere Application Server登陆会话并不会过期。

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In fact, Microsoft has extended its mainstream support of the server OS -- previously set to expire on July 9th, 2013 -- through January 15th, 2015.

ENGADGET: Microsoft extends free Windows Server 2008 support through January 15th, 2015