Documentation for JIRA 4.2. Documentation for other versions of JIRA is available too.

Title: Upgrading JIRA  
Author: admin Apr 17, 2009
Last Changed by: Rosie Jameson [Atlassian] Dec 23, 2010
Tiny Link: (useful for email) https://confluence.atlassian.com/x/hgHTDQ
Export As: Word  
Hierarchy
Parent Page
    Page: JIRA Installation and Upgrade Guide
Children (1)
    Page: Alternative method of upgrading JIRA
Labels
Global Labels (1)
Outgoing Links
External Links (1)
    https://support.atlassian.com
JIRA Knowledge Base (1)     Home page: JIRA Knowledge Base Home
JIRA 4.2 (6)     Page: Removing invalid characters from XML backups
    Page: Backing Up Data
    Page: Restoring Data
    Page: Running the Setup Wizard
    Page: Alternative method of upgrading JIRA
    Page: Backing Up Data