[keycloak-user] ClassCastException on UsersResource search API

[Haim Vana]

Hi,

We are using KeyCloak 1.9.3, when trying to search a user with the API (usersResource.search) we are getting ClassCastException.

The problem is that KeyCloak resteasy (version 3.0.16) ClientWebTarget is explicitly using ResteasyUriBuilder and at runtime we are getting our Jersey JerseyUriBuilder.

Any idea how to overcome it ? assuming we can't remove the Jersey dependency.

Exception stack trace:
java.lang.ClassCastException: org.glassfish.jersey.uri.internal.JerseyUriBuilder cannot be cast to org.jboss.resteasy.specimpl.ResteasyUriBuilder
                at org.jboss.resteasy.client.jaxrs.internal.ClientWebTarget.queryParamNoTemplate(ClientWebTarget.java:289)
                at org.jboss.resteasy.client.jaxrs.internal.proxy.processors.webtarget.QueryParamProcessor.apply(QueryParamProcessor.java:23)
                at org.jboss.resteasy.client.jaxrs.internal.proxy.processors.webtarget.QueryParamProcessor.apply(QueryParamProcessor.java:12)
                at org.jboss.resteasy.client.jaxrs.internal.proxy.processors.AbstractCollectionProcessor.buildIt(AbstractCollectionProcessor.java:76)
                at org.jboss.resteasy.client.jaxrs.internal.proxy.processors.webtarget.AbstractWebTargetCollectionProcessor.build(AbstractWebTargetCollectionProcessor.java:22)


Thanks,
Haim.
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