Shared library relationship and mapping settings

Use the Shared library relationship and Shared library relationship mapping pages to specify relationship identifiers and composition unit names for shared libraries that modules in your enterprise application reference. When installing your enterprise application, the product creates a composition unit for each shared library relationship in the business-level application that you specified on the Select installation options page of the application installation wizard.

To view this console page in a wizard, click Applications > Install new application > New Enterprise Application > application_path > Next > Detailed - Show all installation options and parameters > Next > application_name > Step: Map shared library relationships.

After installation, click Applications > Application Types > WebSphere enterprise applications > Shared library relationships.

To map library files used in a business-level application to an application or web module, use the Shared library relationship mapping page:

Click Reference shared libraries.
Note the application or module in Map libraries to the application or module listed. You are associating library files with that application or module.
From the Available list, select one or more libraries that the application or module uses.
Click >> to add them to the Selected list.
To remove an association, select one or more libraries in the Selected list and click <<.
Click OK.

Module

Specifies the name of the module associated with the shared libraries.

URI

Specifies the location of the module relative to the root of the application EAR file.

Relationship identifers

Specifies an identifier for a module shared library relationship. The product assigns an identifier to the composition unit that it creates for the shared library relationship in the business-level application.

Composition unit names

Specifies a composition unit name for the shared library relationship. The product uses this value to name the composition unit that it creates for the shared library relationship in the business-level application that you specified on the Select installation options page of this wizard.

This setting is only in the application installation and update wizards.

Match target

Specifies whether the product maps the composition unit for the shared library relationship to the same deployment target as the business-level application.

Avoid trouble: If you later change the deployment target of the business-level application or its modules, you must manually update the shared library target to match the target of the application and modules. The targets of shared library composition units are not automatically updated. Not updating the target of the shared library composition unit might cause java.lang.ClassNotFoundException errors and prevent the application or its modules from starting. To prevent these error conditions, also ensure that shared libraries upon which other modules or applications depend have a lower starting weight than dependent applications and modules.gotcha

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