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For information on using the Windows Installer wrapper that lets you use the merge
modules to build JRun installers in a non-Windows Installer environment, see
Windows Installer wrapper" on page
Customizing JRun installers with Windows Installer
The JRun SDK natively supports Windows Installer development environments by
including the JRun core components as merge modules. This section describes these
merge modules and how to work with them.
About merge modules
The JRun SDK includes a set of Windows Installer merge modules that represent core
components of JRun. Merge modules are simplified .msi files, which is the file name
extension for a Microsoft Windows Installer installation package. The modules contain
dependent files that act as a functional group.
A standard Microsoft merge module has a .msm file name extension. A merge module
cannot be installed alone because it lacks vital database tables that are present in an
installation database.
Merge modules contain unique tables. To install the information delivered by a merge
module with an application, you must merge the module into the application .msi file.
Applications such as InstallShield Developer 7 and Wise Solutions 4 provide this
merging functionality.
Working with merge modules
To work with and view the contents of a merge module or installer file, you can use a tool
such as Orca from Microsoft, or a more robust installer tool, such as InstallShield
Developer.
For more information on using Orca, see the following URL:
http://msdn.microsoft.com/library/en-us/msi/app_9303.asp
Working with the modules gives you flexibility in package creation and design. Your
JRun application might require a minimal set of these JRun modules. You are not
required to distribute unnecessary files, thus your final application media size reflects the
true requirements of JRun.
The JRun merge modules are located in the sdk_root/installers/windows directory. For a
description of the merge modules, see
Note: The Core merge module is required in all JRun installers.
25.
"Merge module list" on page
Customizing JRun installers with Windows Installer
"Using the
20.
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