Odp.net Mixes Up / Caches Clob Column?

Feb 10, 2011

I have an ASP.NET 4.0 application where I'm using NHibernate 3.0 with ODP.NET (newest version) to access a Oracle Express 10g database. All is working fine except the CLOB column is getting mixed up in my objects.

Example:

Http request /product/1/:

All returned columns values are OK.

Http request /product/2/:

All returned columns values are OK, except the CLOB column. The returned CLOB column is from the previous loaded object.

The problem disappears when disabling connection pooling.

But I'd like to use connection pooling and it doesn't feels right as a solution. Is this a bug in the ODP.NET or are I'm missing some built-in "feature"?

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