没有EJB的Web应用程序的WAR vs EAR? [英] WAR vs EAR for web application with no EJB?

问题描述

我有一个不使用EJB的Java EE Web应用程序.我有时会以Jetty/Tomcat为部署目标，因此需要WAR包装.但是，有时我也会同时针对JBoss和Websphere.

I have a Java EE web application that does not make use of EJBs. I am targeting Jetty/Tomcat for deployment some of the time and thus need a WAR packaging. However, I am also target JBoss and Websphere some of the time.

我的理解是，成熟的Java EE应用程序服务器可以采用EAR或WAR格式.我什么时候可以使用另一个，为什么?我了解它们都是标准的压缩文件格式，并且我阅读了10个不同的片段，试图对它们进行解释(包括以下内容一个)，但进一步了解它们的优缺点.

My understanding is that full-blown Java EE application servers can take either EAR or WAR formats. When would I use one over the other and why? I understand they are both standard compressed file formats and I have read 10 different snippets that try to explain them (including this one), but am no closer to understanding the pros and cons of each.

推荐答案

如果只有Web模块，请使用WAR文件.如果您有其他Java EE模块-请使用EAR.尽管您只能在EAR中交付Web模块-这样做是没有意义的(并且您将需要进行更复杂的部署配置)

If you have only web modules - use WAR file. If you have different Java EE modules - use EAR. Though you can deliver only web modules in EAR - there is no point in doing this (and you will need to do more complex deployment configuration)

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