欢迎回到本周 Spring的另一个版本。本周有很多事情要谈论，以及大量的新版本发布，所以让我们直接开始吧！

1. Chris Beams 宣布了Spring 3.1 的最新版本，RC2。这是预期的最终版本，因此请尽快获取版本并试用。有关 Spring 3.1 中新增功能的概述，请查看发行说明和Spring 3.1 博客系列

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	The steady march to Spring Integration 2.1 GA continues. This week, <A href= "http://www.springsource.org/node/3315">Spring Integration 2.1 RC1  was  released</a>.  
There are a lot of new features in  Spring Integration 2.1, including support for GemFire, RabbitMQ, MongoDB, and much, much, more.  For the full details, <a href="https://jira.springsource.org/secure/ReleaseNote.jspa?projectId=10121&version=12341">see the release notes</a>.  </LI>
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<A href ="http://www.springsource.com/developer/sts">SpringSource Tool Suite</A> lead Martin Lippert has announced the <a href="http://www.springsource.org/node/3316">latest release of SpringSource Tool Suite, version 2.8.1</a>, which provides a <EM>very</EM> compelling feature: compliance with both versions of the Maven plugins typically supported: M2E, the new, Eclipse-foundation supported integration, and M2Eclipse, the original integration furnished by Sonatype.  This makes it possible for  developers to upgrade and transition easily. All users are encouraged to upgrade immediately. 
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 <LI>  Spring Roo project lead Alan Stewart  has announced that <A href= "http://blog.springsource.org/2011/11/23/spring-roo-1-2-0-rc1-released">Spring Roo 1.2.0.RC1 has been released</a>. The new release  is packed with new features, including multi-module Maven projects, JSF 2.0 and RichFaces support, and much more.
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Daniel Mikusa 撰写了一篇精彩的文章，介绍了

运行 Apache Tomcat 时 JVM 性能调优。文章介绍了各种命令行选项，包括-Xss、-XX:PermSize和-XX:MaxPermSize，以及有关 JVM 垃圾回收器选择的一些详细信息。不错的文章！

<LI>   In this new video interview from <a href= "http://www.infoq.com">InfoQ</a>, Spring expert <a href="http://blog.springsource.org/author/costinl/">Costin Leau</a> talks about <a href="http://www.infoq.com/interviews/costin-leau-javaone-2011-interview/">Spring Data, caching, data grid architectures and work on a new Spring Hadoop project</a>. 
		
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2. BSB labs 发布了一篇关于 Spring Batch 远程分区的精彩文章。

   	<a href= "http://www.springsource.org/spring-batch">Spring Batch</a>, as readers already know, is a powerful framework for building batch jobs. Spring Batch makes it dead simple to handle long running, multi-step batch processing jobs, and - with remote partitioning, it is even easier to partition those jobs across multiple nodes. This post introduces some of the cool features in the remote partitioning features available in Spring Batch. Check it out!
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    eWeek has an interesting post about a recent <a href = "http://www.eweek.com/c/a/Application-Development/Developers-Pick-VMware-Cloud-Foundry-as-Top-Cloud-Platform-Survey-251773/">Evans Data survey that found that developers prefer Cloud Foundry</A>. Not a lot of technical content, of course, but this provides a lot of good insight into why others are choosing Cloud Foundry and can be useful when you're trying to make the  case for <A HREF="http://www.cloudfoundry.org">Cloud Foundry</a> in your organization.
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    <LI>  ActiveState, creators of   the Stackato cloud, which is based on  <a href="http://www.cloudfoundry.org">Cloud Foundry</a> (the open source PaaS from VMware), has announced that <a href= "http://cloud.dzone.com/news/activestate-stackato-micro">their Micro Cloud will remain free</a> after the beta is finished. This ensures that developers can develop against the cloud in perpetuity.  </LI>
   

3. Spring 使用代理来实现其功能。有三种类型的代理，每种都有其自身的优点和缺点。Tomasz Nurkiewic介绍了 Spring 如何使用动态代理、CGLIB 代理和 AspectJ 代理以及一些潜在的陷阱。这是一篇非常棒的文章！
4. Stacey Schneider 撰写了一篇关于Apache Tomcat 的新 7.0.23 版本的精彩文章。在新版本的新功能中，您会发现能够并行启动和停止 Web 应用程序以提高启动时间、配置文件的缓存以及改进的失败部署重启处理。
5. Eclipse Virgo 3.0.2 已经发布。此新版本修复了几个错误。