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Asked: 2026-05-10T18:49:20+00:00

I am setting up an Oracle connection for NHibernate for the first time. I

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I am setting up an Oracle connection for NHibernate for the first time. I have copied the Oracle.DataAccess.dll file into my bin folder. No matter what I try, I keep getting the same error:

Could not load type >NHibernate.Driver.OracleDataClientDriver. Possible cause: no assembly name specified.

I am using the following configuration:

<?xml version='1.0' encoding='utf-8' ?> <hibernate-configuration xmlns='urn:nhibernate-configuration-2.2'>     <session-factory name='DefaultSessionFactory'>         <property name='connection.provider'>NHibernate.Connection.DriverConnectionProvider</property>         <property name='dialect'>NHibernate.Dialect.Oracle9Dialect</property>         <property name='connection.driver_class'>>NHibernate.Driver.OracleDataClientDriver</property>         <property name='connection.connection_string'>Data Source=DB;User ID=USERPassword=****;</property>                <property name='show_sql'>true</property>         <mapping assembly='NHibernateExample.DataAccess'/>     </session-factory> </hibernate-configuration>

I have previously only set up NHibernate for SQL Server. Am I missing anything here?

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1 Answer

  1. Did you copy and paste the code? because there’s an extra > in there, in the connection.driver_class line

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