Waiting for another flutter command to release the startup lock

Question

Asked by Viren V on August 03, 2018 (source).

When I run my flutter application it show

Waiting for another flutter command to release the startup lock

this messages and not proceed further.

Answer

Question answered by Sukhi (source).

In my case, following command in Terminal helped (as suggested by Günter):

killall -9 dart

On Windows (as suggested by upupming):

taskkill /F /IM dart.exe
FLUTTER LOCKFILE
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