I don't stop to jump!

Put the summary of the bug you're having here
What I expected to happen was...:
I just wanted to jump.
What actually happened was...:
When i stpped with pressing my normal jumpkey i still jumped. (I have the normal keysettings)
Steps to Reproduce:
1. Press a key which you have to go.
2. Then it comes and you must go to the inventory ore menu to stop it.
IT IS IN EVERY VERSION (1.8.9,1.11 and 1.12)