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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4093) Improve handling of the database temporary directory
Date Fri, 13 Mar 2009 12:43:50 GMT
Improve handling of the database temporary directory
----------------------------------------------------

                 Key: DERBY-4093
                 URL: https://issues.apache.org/jira/browse/DERBY-4093
             Project: Derby
          Issue Type: Sub-task
          Components: Store
    Affects Versions: 10.5.0.0
            Reporter: Kristian Waagan
            Assignee: Kristian Waagan


The problem reported by Knut Anders Hatlen in DERBY-646 is caused by improper handling of
the temporary directory created for the database.
A NullPointerException was thrown on database shutdown.

After studying the code, I believe it is wise to follow the approach taken by the base storage
factory;
 o locate the temporary directory within the database directory
    (i.e. for database 'mydb' this will by 'mydb/tmp')
 o don't create the temporary directory before Derby supplies a unique name to the storage
factory

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