After upgrading Jenkins from 1.518 to 1.519:

When I build a job with parameters:

1. I click “build”
2. the parameter page is presented
3. I click the “build” button
4. I get presented with an empty page. <-- this is the error

The job is started correctly, however, the erros is in the page navigation after the build is initiated. I see this using Firefox on Linux, and also using Chrome on Windows. Another user also reported the problem to the mailing list.

Rolling back to 1.518 fixes the problem.