weblogic到websphere迁移问题
目前我们正在使用Weblogic应用服务器,并计划从Weblogic迁移到WebSphere。 任何人都可以告诉我们迁移过程中可能出现的问题吗?
currently we are using Weblogic application server and we are planning to migrate from Weblogic to WebSphere.
Could anyone please let us know what can be the problems occurs during this migration.
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这实际上取决于您的应用程序当前是否使用任何特定于 Weblogic 的功能。如果它是自定义应用程序,那么您必须熟悉编程。如果它是基于 Spring 的应用程序,那么重新部署到不同的容器时您将面临的问题极少。如果它是第三方应用程序,您需要检查手册以查看任何容器特定说明。
对此持保留态度,但通常从 Weblogic 到 WebSphere 比从 Weblogic 到 WebSphere 更麻烦,因为 Weblogic 比 WebSphere 具有更少的自定义“钩子”和功能,在大多数情况下,它 (Weblogic) 做得非常好遵循 Java EE 规范,而 WebSphere 对此有很多自由。
举个例子:WebSphere 支持多个应用程序之间的共享会话上下文(这不是 Java EE 规范的一部分),如果您的应用程序使用它,它们可能需要一些重构。
It really depends on if your applications currently use any Weblogic-specific features. If it's a custom application then you have to be familiar with the programming. More than likely, if it's a Spring-based application you will face minimal issues redeploying to a different container. If it's a 3rd party application you'll want to check the manual to see any container specific instructions.
Take this with a big grain of salt but usually going from Weblogic to WebSphere is less of a hassle than vice versa because Weblogic has less custom 'hooks' and features than WebSphere, for the most part it (Weblogic) just does a really good job of following the Java EE spec whereas WebSphere takes a ton of liberties with it.
As an example: WebSphere supports Shared Session Context between multiple applications (which is not a part of the Java EE spec) and if your apps utilize this they'll probably need some refactoring.