WebSphere Application Server Network Deployment, Version 6.1
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Installable J2EE module versions

The contents of a module affect whether you can install the module on a deployment target. A deployment target is a server or a cluster with at least one member on a WebSphere Application Server product.

Installable application modules

You can install an application, enterprise bean (EJB) module, Session Initiation Protocol (SIP) module (SAR), or Web module developed for a Version 5.x product on a 5.x or 6.x deployment target, provided the module:

If the module supports J2EE 1.4, then you must install the module on a 6.x deployment target. If the module calls a 6.1.x API or uses a 6.1.x feature, then you must install the module on a 6.1.x deployment target. Modules that call a 6.0.x API or use a 6.0.x feature can be installed on a 6.0.x or 6.1.x deployment target.

Selecting options such as Precompile JavaServer Pages files, Use binary configuration, Deploy Web services or Deploy enterprise beans during application installation indicates that the application uses 6.1.x product features. You cannot deploy such applications on a 5.x or 6.0.x deployment target. You must deploy such applications on a 6.1.x deployment target.

Similarly, you must deploy an application that uses J2EE 1.4 features such as Java Authorization Contract for Containers (JACC) provided by an application server on a 6.x deployment target.

Installable RAR files

You can install a standalone resource adapter (connector) module, or RAR file, developed for a Version 5.x product to a 5.x or 6.x deployment target, provided the module does not call any 6.x runtime APIs. If the module calls a 6.x API, then you must install the module on a 6.x deployment target.

Deployment targets

A 5.x deployment target is a server or a cluster with at least one member on a WebSphere Application Server Version 5 product.

A 6.x deployment target is a server or cluster with all members on a WebSphere Application Server Version 6 product.

Table 1. Compatible deployment target versions for 5.x and 6.x modules
Module type Module Java support Module calls 6.x runtime APIs or uses 6.x features? Client versions that can install module Deployment target versions
Application, EJB, Web, or client J2EE 1.3 No 5.x or 6.x 5.x or 6.x
Application, EJB, Web, or client J2EE 1.3 Yes 6.x 6.x

Modules that call 6.1.x runtime APIs or use 6.1.x features must be installed on a 6.1.x deployment target. Modules that call 6.0.x runtime APIs or use 6.0.x features can be installed on any 6.x deployment target.

Application, EJB, SAR, Web, or client J2EE 1.4 Yes or No 6.x 6.x
Resource adapter JCA 1.0 No 5.x or 6.x 5.x or 6.x
Resource adapter JCA 1.0 Yes 6.x 6.x

Modules that call 6.1.x runtime APIs must be installed on a 6.1.x deployment target. Modules that call 6.0.x runtime APIs can be installed on any 6.x deployment target.

Resource adapter JCA 1.5 Yes or No 6.x 6.x

Modules that call 6.1.x runtime APIs must be installed on a 6.1.x deployment target. Modules that call 6.0.x runtime APIs can be installed on any 6.x deployment target.




Related concepts
Enterprise beans
Resource adapters
Web modules
Related tasks
Installing J2EE application files
Updating J2EE applications
Concept topic    

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Last updated: Feb 25, 2009 9:32:38 AM CST
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