The User Interface layer runs in the web tier.
用户界面层在Web 层中运行。
I have a Web tier, which includes my Apache instances.
我建立了一个web层，其中包括一些Apache实例。
The next article in this series focuses on the Web tier.
这个系列的下一篇文章将重点放在We b层上。
The FrontController servlet receives a message at the Web tier.
FrontControllerservlet在Web层收到一条消息。
Web tier: Deploying a standard WAR file using XAP, for dynamic load-balancing.
Web层：使用XAP部署标准WAR文件，以实现动态负载均衡。
The new benchmark also measures performance for the Web tier and messaging infrastructure.
这种新的基准还可以测量web层和消息传递基础设施的性能。
Because you'll be using HTTP as the transport protocol, you will be working on the Web tier.
因为您将使用HTTP作为传输协议，所以将在Web层上工作。
There should not be any affinity between the web tier, application tier and the database tier.
Web层，应用层和数据库层之间不应该有任何交叉。
Sometimes you end up with situations where ServletContext is not available, even in the Web tier.
有时，您最终会遇到ServletContext不可用的情形，甚至是在web层中。
Securing the Web tier declaratively means explicitly specifying pages that require user authentication.
声明性地保护Web层意味着显式指定需要用户认证的页面。
Stateful interactions between client and server can be managed on either the Web tier or the business tier.
客户机和服务器之间的有状态交互可以在web层或业务层上进行管理。
If I want to look up the constraint validations from the web tier how do I do this and what do I get back?
如果我想从Web层查找约束验证，我该如何去做？又能获得什么？
If I do not, I perform the query and store the results in the cache prior to returning the results to the Web tier.
如果未找到，则执行查询并将结果存储在缓存中，然后再将结果返回给web层。
These exceptions are fairly meaningless, and can be especially confusing when received by a client in the Web tier.
这些异常完全没有任何意义，由Web 层的客户机接收时尤其容易混淆。
One thing you may have picked up, however, is that we've consistently distanced low-level exceptions from the Web tier.
但是，您可能会发现一点，那就是我们一直都回避来自web层的低级异常。
This can lead to an insecure system, as hackers may be able to write code to call the EJB directly and bypass the Web tier.
这可能导致系统不安全，因为黑客可以编写代码来直接调用EJB，而得以绕过web层。
If the goal is to provide a fluid experience for a user through some type of GUI, then you can manage the state on the Web tier.
如果目标是通过某种GUI为用户提供流畅的体验，那么您可以在Web层上管理状态。
However, there are two factors that will affect the estimation of the hardware requirement to support average load on the web tier.
然而，要在web层支持平均负载，也有两个因素将影响硬件需求的评估。
Stay tuned for the next article in this series, which will cover powerful new annotation-based functionality in the Spring web tier.
在接下来的文章中，我们将讨论到在Spring we b层强大的基于注解的新功能项。敬请关注该系列的下一篇文章。
The Web tier is generally driven by end users performing business tasks, so it's better equipped to handle business-level exceptions.
Web层通常是由执行业务任务的最终用户驱动的，所以最好用它处理业务级异常。
The Spring Framework to replace the Controls framework - Spring supports accessing local or remote EJBs from the application web tier
使用SpringFramework替代Controls framework——借助于Spring可以从应用的Web层访问本地或远程的EJB。
In this setup, the client bypasses the Web tier and communicates directly with the business tier (session beans) using the IIOP protocol.
在该设置中，客户机绕过了web层，并使用IIOP协议直接与业务层(会话bean)进行通信。
One thing missing through all this, however, was an adequate demonstration of just how NIO might improve the scalability of a J2EE Web tier.
但它们所遗漏的一件事正是，没有充分地展示NIO如何可以提高J2EEWeb层的可伸缩性。
At the same time, Seam expands the EJB3 component model to POJOs and brings the stateful context from the web tier to the business components.
同时，Seam拓展了EJB3到POJO的组件模式，从we b层到业务层都有了状态上下文。
Although it's an integrated part of Geronimo, the current architecture doesn't allow both Jetty and Tomcat to handle the Web tier concurrently.
尽管它是Geronimo的集成部分，但当前的架构不允许Jetty和Tomcat并行处理web层。
I have been part of several development efforts in which the Web developer developed 80% of the Web tier without the actual services being available.
我现有的几个开发工作中，Web开发人员在无实际服务可用的情况下开发了80%的web层。
Directly Remove Sol demonstrates handling a transaction in the Web tier by obtaining a UserTransaction instance and using it within the Struts action.
DirectlyRemoveSol通过获得一个UserTransaction实例并且在Struts动作中使用它来演示在web层中处理一个事务。
The enterprise tier, through technologies such as EJB and JPA, has strong support for transactional resources. The web tier is focused on presentation.
Enterprise层（借助于EJB和JPA等技术）对事务性资源提供了强大的支持，而Web层则关注于展示。
Through its services, CDI brings transactional support to the web tier which makes it easier to access transactional resources in web applications.
CDI为We b层带来了事务支持，这样我们就能在Web应用中轻松访问事务性资源了。
Through its services, CDI brings transactional support to the web tier which makes it easier to access transactional resources in web applications.
CDI为We b层带来了事务支持，这样我们就能在Web应用中轻松访问事务性资源了。
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