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Portlet deployment


Portlets are enterprise applications that can be deployed through WebSphere Portal or the Deployment Manager.

WebSphere Portal sets configuration information using the portlet descriptor (portlet.xml)

For portal deployments, WebSphere Portal...

  1. Retrieves configuration information from the portlet's WAR file

  2. Generates a unique object ID for the portlet

  3. Wraps the portlet's WAR within an EAR definition, giving it a name based on the portlet's display name suffixed with a generated object ID, guaranteeing that the name is unique to the portal.

    For portal clusters, the name will be common to the cluster, but unique from any other cluster in the cell.

If the portlet was already deployed as part of the basic portal configuration during initial installation, the object ID is likely to be the same as other portal installations based on the same version of WebSphere Portal. When multiple clusters are defined in the same cell based on this version, there will likely be many portlets that are common between the clusters, because they share the same object IDs.


Parent topic:

Manage portlets in the cluster