[keycloak-dev] Keycloak in Tomcat server

Adam Young ayoung at redhat.com
Mon Nov 30 17:07:35 EST 2015


On 11/26/2015 03:05 AM, Stian Thorgersen wrote:
> In enterprise they should recommend using a standalone SSO server. 
> It's more secure and scalable. You wouldn't embed your database into 
> Tomcat would you? It's also more reliable and less error prone as you 
> are using the exact bits that we test.
>
> It has been achieved in the past, but initially we relied less on 
> features from WildFly. Keycloak server is no longer a WAR that's 
> deployed onto the WildFly app server, instead we rely on the core bits 
> of WildFly to create our own dedicated server.
>
> In theory it would be possible to get it to work on top of Tomcat with 
> some considerable amount of effort. However, as we add new features in 
> the future that rely on features in WildFly you would have new issues. 
> Further we would not be able to help you if you have any issues.

Can you document this?  I assume the JMX components are the biggest 
aspect, but what else requires a full JEE app server?  Is there any JMS 
integration?


>
> On 26 November 2015 at 08:54, mohammed althaf <althaf1088 at gmail.com 
> <mailto:althaf1088 at gmail.com>> wrote:
>
>     Hi Stian,
>
>     Thanks for your quick reply.Yeah i have tried the Tomcat adapters
>     for keycloak Integration.
>
>     I just want to explore the option to deploy it in tomcat itself
>     ,since in enterprise if they already use tomcat for applications
>     they wont recommend to use another server for SSO alone.
>
>     From your knowledge has anyone achieved that ??
>
>     Thanks,
>     Althaf
>
>     On 26 November 2015 at 15:40, Stian Thorgersen
>     <sthorger at redhat.com <mailto:sthorger at redhat.com>> wrote:
>
>         Hi,
>
>         You do not need to deploy the server to Tomcat to be able to
>         use Keycloak in your apps deployed to Tomcat.
>
>         We only support deploying Keycloak server to latest version of
>         WildFly and JBoss EAP. Further we highly recommend using the
>         standalone download of Keycloak and running it separately to
>         your applications.
>
>         On 26 November 2015 at 07:24, mohammed althaf
>         <althaf1088 at gmail.com <mailto:althaf1088 at gmail.com>> wrote:
>
>             Hi Team,
>
>             I was able to use keycloak for sso seamlessly in jboss
>             /wildfly server.
>
>             Since my web application is running in tomcat ,i am trying
>             to deploy the keycloak server as well in Tomcat,
>
>             I followed
>             https://reachmnadeem.wordpress.com/2015/01/14/deploying-keycloak-in-tomcat/
>
>             and i was able to spin up the keycloak in tomcat
>             server.But it was using the 1.0.2 version.
>
>             So i am trying to deploy the keycloak server 1.6.1.I faced
>             the below issues.
>
>             1.Failed to provide mem for realmcache(please check failed
>             to find provider log)
>
>             So i removed the cache from keycloak-server.json
>             Not sure it is fine??
>
>             2 .Then i was able to procced but it again failed with
>             h2.db exception(please check lockout.log)
>
>             It will be great if you guys can help me resolve this issue.
>
>             Thanks,
>             Althaf
>
>
>
>
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>
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>
>
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