vertx 3.1.0: file-cache folders?

[Hoobajoob]

vertx appears to create a .vertx folder when it runs, and within that folder, subfolders named like "file-cache-<guid>", and these folders, in turn, are empty.

What are these folders for? Can/should I prevent them from being created?

[Clement Escoffier]

Hi,

This directory is used to serve files contained in jar files (for example web assets packaged in a fat jar). If you are not using this feature, you can disable the creation of this directory by setting the vertx.disableFileCPResolving system property to true. You can also change the location using the vertx.cacheDirBase system property.

Clement

On 19 octobre 2015 at 23:10:58, Hoobajoob (chefho...@gmail.com) wrote:

vertx appears to create a .vertx folder when it runs, and within that folder, subfolders named like "file-cache-<guid>", and these folders, in turn, are empty.

What are these folders for? Can/should I prevent them from being created?

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[Hoobajoob]

Thanks Clement - setting that property does indeed prevent those directories from being created.

Looks like the related feature in vertx that this affects is this one: http://vertx.io/docs/vertx-web/java/#_serving_static_resources

Thanks for the pointer

[Clement Escoffier]

Hi,

Yes this is one of the impacted feature. More generally, all “send file” methods are impacted.

Clement

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[charles....@gmail.com]

hi all, I'm trying these various options discussed above to defeat the creation of said "vertx" cache dir but when I pass these system options to my fat jar at startup they are apparently being ignored.

Any ideas ? 

this is on Windows btw, in case that's' relevant, we are still on Vertx 3.6.3

thanks