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From "Kentaro Kinebuchi (JIRA)" <...@myfaces.apache.org>
Subject [jira] [Created] (TRINIDAD-2293) multi file upload does not get replicated in a High Availability environment
Date Mon, 23 Jul 2012 04:41:36 GMT
Kentaro Kinebuchi created TRINIDAD-2293:
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             Summary: multi file upload does not get replicated in a High Availability environment
                 Key: TRINIDAD-2293
                 URL: https://issues.apache.org/jira/browse/TRINIDAD-2293
             Project: MyFaces Trinidad
          Issue Type: Bug
          Components: Infrastructure
    Affects Versions: 2.0.2-core
         Environment: linux x86
            Reporter: Kentaro Kinebuchi


In multi file upload, the uploaded files are stored in the user's session before submit. In
a HA environment, the session context which is replicated does not contain this file information
so if the server goes down then the file data is lost in the replicated server.

There are two specific issues which need to be handled in the code:
1. In WebLogic, unless the setAttribute() method is called on the session context, that attribute
is not automatically replicated. Hence, all attributes which are updated during multi file
upload and we want replicated have to specifically call that method.
2. WebLogic does not replicate all File objects stored in the context. Hence, the path to
the temporary file created for each uploaded file needs to be saved in a String in the context
so it is replicated.

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