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From "Aaron Mulder (JIRA)" <...@geronimo.apache.org>
Subject [jira] Created: (GERONIMO-841) Provide the ability to isolate applications
Date Tue, 02 Aug 2005 03:33:35 GMT
Provide the ability to isolate applications
-------------------------------------------

         Key: GERONIMO-841
         URL: http://issues.apache.org/jira/browse/GERONIMO-841
     Project: Geronimo
        Type: Improvement
  Components: deployment  
    Versions: 1.0-M4    
    Reporter: Aaron Mulder
     Fix For: 1.1


It would be nice if it was possible to deploy applications that could not "see" each other.
 Meaning, cannot refer to connectors, EJBs, GBeans, etc. deployed in a different application,
unless that application is a parent in the configuration hierarchy.  Currently this is true
of the default resolution strategies if incomplete mapping information is provided (for example,
if you don't specify an application, both the current app and no app are searched but not
other apps).  However, nothing prevents an application from constructing a GBean Name pointing
directly to a resource in a different application.  And the "global JNDI names" of all EJBs/resources
appears in the same JNDI space, so it would need to segregated into spaces-per-application
and you'd need to specify an application in order to connect.

One reference resolution strategy would just be to pretend that nothing from the other applications
exists, so references would simply fail.  Another option would be to apply security roles
to GBeans and connectors and so on so that the references always resolve but at runtime the
user's role could be checked to decide whether to grant access.  Of course, this would require
the two applications share a security realm or principal class or something.

Ideally, in a hosting-type environment, you could safely deploy multiple applications that
should not be able to interfere with each other (outside of claiming common URLs for web app
contexts or web services).

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