What's new in Version 5.1

This page describes how WebSphere Application Server - Express Version 5.1 differs from previous versions of the product.

Product packaging

The WebSphere Application Server - Express Version 5.1 packaging is logically equivalent to Version 5.0.

Differences between Version 5.0 and Version 5.1

WebSphere Application Server - Express Version 5.1 supports the following functionality over Version 5.0:

• Java^(TM) 2 Standard Edition (J2SE^(TM)) 1.4.2
• Jython 2.1 scripting language in wsadmin
• Selective SOAP parsing for Web services
• UDDI registry tools for Web services

WebSphere Application Server - Express Version 5.1 for iSeries can coexist with previous versions of WebSphere Application Server - Express. For more information, see the Coexistence statement on the product Web site. For information about migrating to Version 5.1 see the Migration topic.

Application development

WebSphere Application Server - Express Version 5.1 supports these application development specifications:

• Java^(TM) 2 Standard Edition (J2SE^(TM)) 1.4.2 (on iSeries)
• J2SE 1.4.1 (on other platforms)
• Java 2 Enterprise Edition (J2EE^(TM)) 1.3
  • Servlet 2.3
  • JavaServer Pages^(TM) (JSP^(TM)) 1.2
  • J2EE Connector Architecture 1.0
  • Bean Scripting Framework 2.3
  • Java Secure Socket Extension (JSSE) 1.0.3
  • JavaMail 1.2
  • JAX-RPC 1.0
  • Simple Object Access Protocol (SOAP) 2.3