Dear all,

 

first of all - thanks for your effort for Keycloak – great product!

 

I’m trying to do a POC for the authorization API in Keycloak and therefore I downloaded from the project’s website the Demo distribution and tried to follow the readme instructions on the “photoz” example.

The import of the realm was successful, but when I tried to load the resource server configuration JSON I received the following exception in the log file:

 

Caused by: java.lang.ClassNotFoundException: org.apache.commons.codec.binary.Base64 from

[Module "org.drools:main" from local module loader @1476ceae (finder: local module finder @1b4febf3 (

roots: D:\dev\software\keycloak\keycloak-demo-2.1.0.Final\keycloak\modules,

D:\dev\software\keycloak\keycloak-demo-2.1.0.Final\keycloak\modules\system\layers\keycloak,

D:\dev\software\keycloak\keycloak-demo-2.1.0.Final\keycloak\modules\system\layers\base

))]

 

I was able to fix this issue by providing the following dependency entry in the drools module description for the commons-codec module at <KEYCLOAK_ROOT>\keycloak\modules\system\add-ons\keycloak\org\drools\main\module.xml

After this I could successfully import the “photoz-restful-api-authz-service.json” finally.

 

Could it be that this entry is also missing in the source code at https://github.com/keycloak/keycloak/tree/master/distribution/feature-packs/server-feature-pack/src/main/resources/modules/system/layers/keycloak/org/drools/main/module.xml ?

 

 

<dependencies>

        <module name="javax.api"/>

        <module name="javax.inject.api"/>

        <module name="javax.enterprise.api"/>

        <module name="org.slf4j"/>

        <module name="org.apache.commons.codec"/><!-- this one is missing -->

        <module name="org.apache.commons.logging"/>

        <module name="org.keycloak.keycloak-core"/>

        <module name="org.keycloak.keycloak-common"/>

        <module name="org.keycloak.keycloak-server-spi"/>

</dependencies>

 

 

I also found a related JIRA “KEYCLOAK-3279 Possible error with Drools policies when running on Windows” entry but this was closed without code fix, I think.

 

Can you verify this finding?

 

Thanks,

Christian

 

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