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What does websphere and weblogic do?  RSS feed

 
KOla Oyedeji
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Hi I'm new to Java but I keep hearing Websphere and weblogic bieng mentioned. As a Java developer do I need this products? What exactly do they do.
Thanks in advance
 
Tim Holloway
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J2EE consists of a set of services - EJB, JSP/Servlet, and others. In their simpler forms, you have to run individual servers for each function -- for example jboss and Tomcat.
WebLogic and WebSphere are commercial versions of J2EE servers where everything is packaged into a single unit. This is easier to administer, but they charge a handsome sum for that convenience. They also feature additional functionality to make them perform better and more reliably under high workloads.
If you're just starting out J2EE, it's a good idea to try the free stuff first. JBoss has a distribution which has the Tomcat server bundled in - look at http://www.jboss.org
You can get info on WebLogic at http://www.beasys.com and on WebSphere at http://www.ibm.com - there are other J2EE servers as well, such as iPlanet from Sun.
 
KOla Oyedeji
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Thanks for your reply. SO as a web developer interested in JSP I could use websphere/weblogic as an application server which sits above the web server?
Is there an evaluation of either of these products available or would I have to buy the whole thing for developemnt and learning purposes.
 
Kyle Brown
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You can download a free evaluation copy of WebSphere 4.0 from
http://www-4.ibm.com/software/webservers/appserv/download.html
You will probably also be interested in tools for WebSphere. Take a look at
http://www-4.ibm.com/software/webservers/studio/preregister.html
Kyle Brown
------------------
Kyle Brown,
Author of Enterprise Java (tm) Programming with IBM Websphere
 
It is sorta covered in the JavaRanch Style Guide.
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