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6.4: Installing applications and setting classpaths
6.4: Installing applications and setting classpaths
This article describes how to install an application into the WebSphere Application Server
environment. This includes placing the files comprising an application onto the
physical system containing the WebSphere Application Server product and updating
the application server configuration with information about the application.
Note: During installation of an enterprise application, WebSphere Application Server examines the Enterprise Archive (EAR) file
that you created and adds WebSphere product specific binding information to create a new EAR file. The new EAR file is placed in the
$WAS_HOME/installableApps directory. Changes that are made to the original EAR file include:
- Application binding and extension files are created, including META-INF/ibm-application-bnd.xmi and
META-INF/ibm-application-bnd.xmi.
- Application bindings collected through installation are saved in the applications binding file.
- Module level binding files are created, including META-INF/ibm-ejb-jar-bnd.xmi and WEB-INF/ibm-web-bnd.xmi
.
- Module level bindings collected during installation are saved back to modules.
Only the EAR files that result from the above process should be transferred to other WebSphere Application Server nodes. You should
never try to produce these binding and extension files manually because the content is platform and release specific, and WebSphere
Application Server can exhibit indeterminate in the current or future releases if this practice is not followed.
Installing applications (or standalone modules) into the application server runtime
involves the following tasks:
- Configure the application settings in the administrative console,
by performing an application installation task (requires the
administrative
server to be running)
- Placing the application files in a directory location, usually relative
to the IBM WebSphere Application Server
product_installation_root
- Place the files in the location of your choice. Specify the location
when you are performing the application installation task.
- Setting classpaths as needed, in addition to those set during application assembly
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