I don't think it's good option. The version of various modules changed etc and especially 1.4.0 is supposed to run on latest Wildfly 9.0.1 when 1.3.1 used older version.

It's better to start with 1.4.0 server distribution and just migrate your database. Or if you want to use the same Wildfly server for Keycloak and your apps, then use keycloak server-overlay distribution and apply it to Wildfly 9.0.1 server and then deploy your applications on this server.

Marek

On 6.8.2015 13:08, Carlos German Tejero wrote:

Thanks Marek!

But, can i upgrade the keycloak 1.3.1 subsystem to 1.4.0 in the same wildfly installation?
2015-08-06 4:19 GMT-03:00 Marek Posolda <mposolda@redhat.com>:
Hi,

you can just download 1.4.0 distribution and configure it with same DB, which you previously used for 1.3.1. If you use default H2 db, you may just need copy files from your previous 1.3.1 distribution from standalone/data directory to 1.4.0. Ideally, you can backup your DB before upgrade, so you won't lose the data if upgrade fails. But ideally upgrade DB should work fine unless there is bug...

More info: http://keycloak.github.io/docs/userguide/html/Migration_from_older_versions.html

Marek

On 5.8.2015 19:46, Carlos German Tejero wrote:
I have installed Keycloak 1.3.1 as a subsystem, on a Wildfly 9.0.1.

How is the procedure for upgrade it to 1.4.0?

Tanks to all!

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Carlos Germán Tejero
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