[2.1-RC2] Hot-Reload not working on Mac OS X 10.8 (JNotify)

[Ali Russell]

Has anyone managed to get hot reload working on Mac OS 10.8+?  

The JNotify library indicates its only been tested up to 10.6.2, and since i migrated to play 2.1 no changes are being picked up by play..

What was wrong with the way play detected changes pre 2.1?

[Guillaume Bort]

Yes, I'm using MacOS 10.8.2 and it works for me.

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Guillaume Bort, http://guillaume.bort.fr

[Ali Russell]

Ok, so i ran JNotify manually, and it seems to work ok on other directories, but doesn't report anything on my play project directory... 

Ill try moving it perhaps.

[Ivan Meredith]

Had the exact same issue. I have a ~/work directory and every directory in ~/work was not working with JNotify. So I 

mkdir ~/work2; cp -a ~/work/myproj ~/work2; mv ~/work ~/work3, mv ~/work2 ~/work 

and now it works. No idea why it wasnt working.

[Ali Russell]

Ive found that it seems to sometimes stop working on 10.8.2...  a restart usually fixes it.

also no real idea why though :-(

[Guillaume Bort]

I use 10.8.2 myself, and I don't have any problem with Hot-reloading.

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[Anton Fagerberg]

I ran into this problem today as well. I'm running 10.8.3 and I've used Play 2.1.0 since it was released on this machine and on my laptop without problems.

When I started working today and saved a file (i start play with ~run but had the same problems with just run) I would see that the file was changed and recompiled in the Play console but when I reloaded the page nothing would change.
So I would get these messages:
[info] Compiling 1 Scala source to /Users/anton/Development/Code/SecretProject/target/scala-2.10/classes...
[success] Compiled in 1s

But this would not appear on reload:
--- (RELOAD) ---

[info] play - Shutdown application default Akka system.
[info] play - database [default] connected at jdbc:mysql://127.0.0.1:3306/secret?zeroDateTimeBehavior=convertToNull
[info] play - database [communication] connected at jdbc:mysql://127.0.0.1:3306/secret
[info] play - Starting application default Akka system.
[info] play - Application started (Dev)

However, every time i restarted Play (Ctrl+c) and started it again with ~run / run the page reload worked fine one time, then same problem.
I tried to run a "clean" and "clean-all", I tried deleting the target and project/target but nothing helped.

What did help was a reboot of the entire machine.
I never shutdown my machine, I always use Sleep so it is not uncommon for me to have a month uptime and I've never had this problem before.
It might have something to do with the update to 10.8.3? Beside that, I don't know what could have caused this.
I have not changed anything else in my development setup.

[Filipe Figueiredo]

Hi.

I am having the same problem... but not even a reboot solve it! I've created a thread in stackoverflow, if someone answer I will post here the solution. If you want to follow this, see http://stackoverflow.com/questions/15512229/playframework-reload-not-working-mac-osx

[sts2055]

Having the exact same problem here after updating to Mac OSX 10.8.3.

Restarting the machine won't fix it.

[sts2055]

Copy pasting a comment from here: http://stackoverflow.com/questions/15709325/play-framework-2-1-java-auto-reloading-not-working

"If you are using Eclipse try to disable the automatic build, maybe is interfering with the play! code generation."

Disabling "Build automatically" under "Workspace" in the Eclipse Preferences solved it for me.

[Adelar da Silva Queiróz]

I'm working with Sublime Text. Anyone has a hint about how to solve this problem?

Thanks

[Alvaro Carrasco]

For the benefit of anyone running into this issue still or googling for it. On OSX (maybe only some versions?), the way the folder was created (command line vs finder) or the case used in the parent paths seems to trigger the issue. 

We've been able to resolve it by moving the project to a new path (all lower case after the home dir) or by recreating all the paths in finder. I am not sure which one resolved it, but one of them did. After that, hot-reloading works fine.

Alvaro

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2013/5/5 Adelar da Silva Queiróz <adel...@gmail.com>

I'm working with Sublime Text. Anyone has a hint about how to solve this problem?

Thanks

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