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mapping not working all the time

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We're using a modern Hibernate and Java 1.6_10. Oracle on the backend.

Here's the symptom:

1. While I was developing an app, I was running a test program from my IDE that successfully fetched from the database using Hibernate. That's been a few days.
2. I deployed this (and the same persistence.xml file) as a web service. It's working great right now.
3. Using the exact same DAOs, models, and application.xml, I am running locally (from my IDE) and getting the following fail:

If I add to persistence.xml the following config for every class in the project:

(I added it for Vendor, but then another failed, and I added it for that model, and then another failed...)

Then my app works fine from my IDE.

Can anyone lob me a clue please? Why would I have to add the changes to persistence.xml locally and not when it is being used in the web service?
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Mac IntelliJ IDE Spring
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Are you sure that class in your "deployment" war file?

Also, what about maybe the databases having the same tables? From your IDE and when deployed.

Tony Ennis
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I got swept away by other things and haven't gotten back to this. I am as sure as I can be that the war file is created correctly and consistently. I must be having a jar version issue between my IDE and the the Tomcat server.
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