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Ejb was introduced to Java technology to attain some features inherent in enterprise applications. Those features include instance pooling, inbuilt security, declarative transactions, container managed persistence, relationship of business objects and caching etc. Now that many people have built their applications using Ejb, let us go back and analyze if Ejb as a technology is really significant in developing enterprise applications. We are going to analyze both pros and cons of Ejb based on experience of people who have used Ejb.
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Platforms: linux, windows, freebsd, osx, sun
Last Updated: March 26, 2007 |
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Ever try to write a J2EE application accessing EJBs across a firewall? It can be messy, and developers often must resort to all kinds of workarounds, none of them particularly "neat." Developers often write a servlet to intercept HTTP requests and delegate them to EJBs, which is kind of a kludge. Another approach that uses tunneling technologies-such as RMI over HTTP-can entail a big performance hit. But there is a better way. You can solve this problem elegantly by using Java Secure Socket Extension (JSSE).
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Platforms: Windows, Unix
Last Updated: April 12, 2007 |
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Sample chapter from "EJB 2.1 Kick Start" on installing an application server to developing and deploying an EJB on it.
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Platforms: n/a
Last Updated: May 28, 2007 |
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