stage 1 is not working with google SDK

[coldistric]

I'm following the tutorial, I'm trying to run the guestbook app locally using the command
$ mvn gcloud:run . When I use this command, it gave me an error which is:
can't open file 'C:/Users/Owner/AppData/Local/Google/Cloud SDK/google-cloud-sdk/platform/google_appengine/dev_appserver.py': [Errno 2] No such file or directory

When I check in the google Sdk directory I didn't see this file. Is there a way to solve this problem or another way to run the app locally ?

[coldistric]

Finally I have managed to solve this problem, The solution was to use this command :
$ gcloud components update app-engine-java

I found this command when look at the commit history of the README file. An old version say that we must install the java component.

I'm not sure why it is not there anymore but I can surely say that it is not working without it