[jboss-user] [JBoss Seam] - Re: How to modify the messages example to connect to Oracle

[fhh]

Hello!


  | javax.faces.el.EvaluationException: Cannot get value for expression '#{messageList.rowCount==0} 
  | 

This is not the real exception but the one that came out of the application stack. 

I assume the real problem is that you are trying to execute a sql query through the entity manager instead of defning entity beans and using EJBQL.

You can use bare SQL but then you have to inject a datasource into your session bean using the @Resource annotation. 

Regards

Felix

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