Following an above instruction while upgrading. Initialization of Jira 5.2.4 was successful but while import the xml data to use an existing Mysql database. It is giving a lots of problems.
There is a mandatory intermediate upgrade step of version 4.4. I suggest you first upgrade to 4.4 and confirm everything is fine and then plan for further upgrades.
Also have a look at this url
That is true, there are not some file which used to be in 4.2.4. But following all the steps, I was still having a problem. Finally i figured it out that the main problem that I was facing was with the Previous JAVA version which is incompatible with the latest Jira. Upgrading JAVA jre1.6.0_16 to jre1.7.0_10 resolves the issue of improting .xml file.
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