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1. Process files in Java EE    stackoverflow.com

I have a system that is supposed to take large files containing documents and process these to split up the individual documents and create document objects to be persisted with JPA ...

2. How to specify the ubication of JPA configuration files to JPA    java.net

3. is it possible to use JPA without that persistence.xml file?    java.net

Hi Thank you for reading my post. I am looking for a way to use JPA but I want to set the connection url during application startup and not in the development time. I should run the application on multiple machines and each machine has its own ip address which database is running on t. I should change the connection url ...