Prevent JDev from Updating data-sources.xml File
Disable JDev data-sources.xml Bundling
* Navigate to Tools -> Preferences -> Deployment
* Uncheck Bundle Default data-sources.xml During Deployment.
Disable Project Specific data-sources.xml
* Navigate to
* Right click data-sources.xml and select properties.
* Click Data Sources.
* Deselect all options.
* Click OK.
* Ref: A JDeveloper Runtime Problems and Solutions