What are the steps to reproduce your problem?

1. Deploy process.bpmn to 7.10.0-ee, it works as expected (tested in a spring boot application).
2. Deploy the BPMN to 7.14.0-ee and deployment fails with a NPE.

What is the problem?
For what ever reason, the BPMN has an external service task that has an extension property with no name / value:

This worked in older versions but no longer works in 7.14.0-ee.

What would be the expected behavior:
The BPMN should parse without error.

Hints (optional):
The NPE occurs due to code added for CAM-12080.