How often are you purging the client store? Also, the switch to
UUID-based keys is usually painless (just the flip of a switch), but I
guess you're doing something odd with the client tokens?

Jamie

On Tue, 24 Jun 2003 16:17:46 -0400, in cf-talk you wrote:

>Hi folks,
>
>Working with a client on an existing website -- we're getting this error:
>
>"Cannot insert duplicate key row in object 'CDATA' with unique index 'id1'"
>
>We're using ColdFusion 5, MS-SQL 2000, Win2k server, Apache 1.3.24 web server. Client 
>variables are being stored in an ODBC database.
>
>Of course it's straightforward to remove the offending row, but it's happening about 
>once a week now to random visitors (that is, one or maybe two errors per week). Any 
>thoughts? Googling turned up 2 not too useful hits. No luck in MM technotes so far, 
>other than the suggestion to go to UUID-based keys, which would require reworking 
>parts of the application.
>
>We've got about 400,000+ client ids/month, which seems really high to me based on 
>site traffic, so I think somethings going on with the weird session/client/cookie 
>"security" management code written by the original developers. Using Pro, not 
>Enterprise so MIB client variables shouldn't be an issue. Any other thoughts?
>
>
>Regards,
>
>John Paul Ashenfelter
>CTO/Transitionpoint    
>
>
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