Posted By Sagar Patil

WebSphere is a set of Java-based tools from IBM that allows customers to create and manage sophisticated business Web sites. The central WebSphere tool is the WebSphere Application Server (WAS), an application server that a customer can use to connect Web site users with Java applications or servlets. Servlets are Java programs that run on the server rather than on the user’s computer as Java applets do. Servlets can be developed to replace traditional common gateway interface (CGI) scripts, usually written in C or Practical Extraction and Reporting Language, and run much faster because all user requests run in the same process space.

In addition to Java, WebSphere supports open standard interfaces such as the Common Object Request Broker Architecture (CORBA) and Java Database Connectivity (JDBC) and is designed for use across different operating system platforms. One edition of WebSphere is offered for small-to-medium size businesses and another edition for larger businesses with a higher number of transactions. WebSphere also includes Studio, a developer’s environment with additional components that allow a Web site’s pages to be created and managed. Both editions support Solaris, Windows NT, OS/2, OS/390, and AIX operating systems.

WebSphere Studio includes a copy of the Apache Web server so that developers can test Web pages and Java applications immediately.

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WebSphere version WebSphere 3.5 WebSphere 4.0 WebSphere 5.0 WebSphere 5.1 WebSphere 6.0 WebSphere 6.1 WebSphere 7.0
Release date 31 Aug 2000 15 Aug 2001 03 Jan 2003 16 Jan 2004 31 Dec 2004 30 Jun 2006 17 Oct 2008
End of support 30 Nov 2003 30 April 2005 30 Sept 2006 30 Sept 2008 30 Sept 2010
JDK 1.2 1.3 1.3 1.4 1.4 1.5 1.6
JavaEE ? 1.2 1.3 1.3 1.4 1.4 1.5
Servlet 2.1/2.2 2.2 2.3 2.3 2.4 2.4 2.5
JSP 0.91/1.0/1.1 1.1 1.2 1.2 2.0 2.0 2.1
EJB 1.0 1.1 2.0 2.0 2.1 2.1 3.0

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