Can't re-index new products after upgrading to version 1.6

Question

I\'ve upgraded my site from version 1.4.0.1 to version 1.6. I\'ve deleted all the products from the website and did \"reindex all\" that was finished successfully. When I tr

Answer 1

If you are doing this on a live site, you probably need to do the reindex process from the command line with Apache turned off.

http://overlycaffeinated.com/2011/02/when-reindexing-in-magento-fails-use-the-command-line/

This explains how to do this.