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distributable element in web.xml

 
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Hi folks,

I was wondering if anyone has any information on why WebLogic does not use the distributable element in web.xml http://docs.oracle.com/cd/E14571_01/web.1111/e13712/web_xml.htm#i1044010 ?

As WebLogic does not use this element would that imply that the J2EE spec speficies that it is optional for vendors to support this element? How would I find this information out?

When you use the distributable element and run an App on a single Tomcat server (i.e. not in a cluster) it throws an exception if you attempt to add a non-serializable object to the session. So this is a good guard when developing an App on a single Tomcat server that will eventually be deployed to a cluster i.e. it will ensure that you aren't adding an non-serializable objects to the session.

I'm guessing that since WebLogic does not use this element, that adding it will not cause WebLogic to throw an execption if you add a non-serializable object to the session. Does WebLogic have some similiar way of marking the App as being suitable for running in a distributed environment, causing it throw an exception as per my example even when the App is running on a single WebLogic Server.


Cheers,

Sean
 
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