I'm trying to run an application on Spring Cloud Data Flow that requires a non-option argument (e.g. the command would be java -jar task.jar non-option-argument --optionArgument=option etc.)
The dashboard validation seems to prevent this from being done, as it requires all arguments to be in key=value combinations. Is it just unsupported?
Yes, currently that's the validation we have at the dashboard. But, I see your requirement and believe this can be fixed. Would you mind creating an issue here.
Also, the task launch page is getting revamped in 2.8.x (which is due for the release early next month) and we can possibly improve there as well.