Changing the default file system provider is broken :(

[forax at univ-mlv.fr]

[...] 

> Or this might work too:

> http://cr.openjdk.java.net/~plevart/jdk9-dev/Path.toFile/webrev.01/
yes, it's better 

> A variant of this might be for FileSystems.getDefault() to start returning the
> custom default filesystem as soon as initLevel reaches 2 (after module system
> is initialized). This might allow custom default file system to be effective
> even before the VM is fully booted (for custom security manager or system class
> loader or java agent to already take advantage of it). But that probably would
> mean that the custom default filesystem loading logic would have to be modified
> in order to cope with system class loader not being setup already - it could
> use the builtin app class loader for locating and loading the classes...

> Do you happen to have a custom default filesystem to try this with?
sure, a dummy one that delegates everything to the builtin 
https://gist.github.com/forax/615828b41c33eccda33afdf2eba1db87 

> Regards, Peter
regards, 
Rémi