Friday, November 27, 2015

Database Migration From Liferay 6.1 to Liferay 6.2


Today we will discuss how to migrate database (users, roles,pages, webcontent etc) from Liferay 6.1 to Liferay 6.2. I assume that you already installed Liferay 6.1 and created pages , roles and user. The name of the database we are using for liferay 6.1 is named as liferay6.1db.

So lets start this step by step:-


Step 1:-Take backup of your database
As a precaution take backup of your database ie liferay6.1db so that if anything goes wrong your have your original database.

Step 2:-Install liferay 6.2 with hypersonic
Install liferay 6.2 and use hypersonic databse which is provided by liferay.

Step 3:-Replace document library folder
Now copy content from document_library folder of liferay 6.1 (..\liferay-portal-6.1.2-ce-ga3\data\document_library) and paste in liferay 6.2(..\liferay-portal-6.2.0-ce-ga1\data\document_library).

Step 4:-Change portal-ext.properties
Now open portal-ext.properties file and point database entry to liferay 6.1 database ie liferay6.1db.

You have to change algorithm also which is used in liferay 6.2



Step 5:-Restart the Liferay 6.2 Server
Now restart your server .You can see migration activity on the console of your tomcat . Thats it your database migrated successfully from liferay 6.1 to 6.2.

By using this approach you can migrate:-

  • User
  • Roles
  • Pages
  • Structures and Templates
  • Web Content.



Note:-  

If this error comes:-

Then open data base table portletprefrences and change NULL to some text like "Change to Not Null by me"

And Restart Server.




Hope this will Help....


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