Archive for January, 2013

Nhibernate QuerySyntaxException is not mapped from

NHibernate Benjamin Perkins

An important step which is often overlooked when beginning the process of mapping your database is to set the Build Action to Embedded Resource. (Buildvorgang – Eingebettete Resource). If you forget to do this you may receive a QuerySynataxException stating that the … is not mapped [from …]. It is also possible to store the […]

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NHibernate could not execute query, ORA-00904 invalid identifier

NHibernate Benjamin Perkins

This is a pretty easy one to solve. This happens because the column attribute in the mapping file does not exist on the database being accessed. <property  name=”SpelledWrong”               column=”SPELLDWRONG”               type=”string” />     More than likely there is a spelling mistake or the column doesn’t exist on the table being mapped.

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Application Initialization not making a request to the initialization page

IIS Benjamin Perkins

Setting up Application Initialization is pretty straight forward. Instructions can be found here or here. After setting it up the Application Initialization module with these parameters: autoStart = True startMode = AlwaysRunning when IIS was restarted the W3WP worker process was started up and running just as expected. Figure 1 shows a Process Explorer Properties […]

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