Fixed a issue on file upload. Prevent restart of instances.
Fixed a issue on file upload. Prevent restart of instances.

dasMulli/yak-js,dasMulli/yak-js,cschuller/yak-js,cschuller/yakjs,cschuller/yakjs,cschuller/yakjs,cschuller/yak-js,dasMulli/yak-js,cschuller/yak-js