[keycloak-user] Keycloak Admin Client Jar - 1.9.8/ 2.0.0 are not working properly

[Jitendra Chouhan]

I am using keycloak-admin-client jar for provisioning users  in keycloak
server instance but facing issue if using keycloak-admin-client version
higher than 1.8.0.Final. Please find detailed informations about issue and
configurations used to provision user as below:

1) keycloak-server version: 1.9.8.Final or 2.0.0.Final
2) keycloak-admin-client version: 1.9.8.Final or 2.0.0.Final

Sample Code Snippet:

Keycloak kc = KeycloakBuilder.builder() //
.serverUrl("http://localhost:8080/auth") //
.realm("master")//
.username("admin") //
.password("admin") //
.clientId("admin-cli") //
// .clientId("security-admin-console") //
.resteasyClient(new
ResteasyClientBuilder().connectionPoolSize(10).build())//
.build();
// 1. User
CredentialRepresentation credential = new CredentialRepresentation();
credential.setType(CredentialRepresentation.PASSWORD);
credential.setValue("test123");
credential.setTemporary(false);

UserRepresentation user = new UserRepresentation();
user.setUsername("testuser");
user.setFirstName("Test");
user.setLastName("User");
user.setCredentials(asList(credential));
user.setEnabled(true);
user.setRealmRoles(asList("admin"));

// create a user
//Response result = kc.realm("master").users().create(user);
Response result = kc.realm("demo").users().create(user);
if (result.getStatus() != 201) {
if(result.getStatus() == 409){
System.err.println("Couldn't create user since user already exist.");
System.exit(0);
}
System.err.println("Couldn't create user.");
System.exit(0);
}
System.out.println("test user created.... verify in keycloak!");

Error stack trace::

Exception in thread "main" javax.ws.rs.client.ResponseProcessingException:
javax.ws.rs.ProcessingException:
org.codehaus.jackson.map.exc.UnrecognizedPropertyException: Unrecognized
field "access_token" (Class
org.keycloak.representations.AccessTokenResponse), not marked as ignorable
 at [Source: org.apache.http.conn.EofSensorInputStream at 6f3c660a; line: 1,
column: 18] (through reference chain:
org.keycloak.representations.AccessTokenResponse["access_token"])
at
org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.extractResult(ClientInvocation.java:140)
at
org.jboss.resteasy.client.jaxrs.internal.proxy.extractors.BodyEntityExtractor.extractEntity(BodyEntityExtractor.java:58)
at
org.jboss.resteasy.client.jaxrs.internal.proxy.ClientInvoker.invoke(ClientInvoker.java:104)
at
org.jboss.resteasy.client.jaxrs.internal.proxy.ClientProxy.invoke(ClientProxy.java:62)
at com.sun.proxy.$Proxy19.grantToken(Unknown Source)
at
org.keycloak.admin.client.token.TokenManager.grantToken(TokenManager.java:85)
at
org.keycloak.admin.client.token.TokenManager.getAccessToken(TokenManager.java:65)
at
org.keycloak.admin.client.token.TokenManager.getAccessTokenString(TokenManager.java:60)
at
org.keycloak.admin.client.resource.BearerAuthFilter.filter(BearerAuthFilter.java:52)
at
org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.invoke(ClientInvocation.java:384)
at
org.jboss.resteasy.client.jaxrs.internal.proxy.ClientInvoker.invoke(ClientInvoker.java:102)
at
org.jboss.resteasy.client.jaxrs.internal.proxy.ClientProxy.invoke(ClientProxy.java:62)
at com.sun.proxy.$Proxy27.create(Unknown Source)
at
com.samba.security.keycloak.KeycloakAdminClientExample.main(KeycloakAdminClientExample.java:79)
Caused by: javax.ws.rs.ProcessingException:
org.codehaus.jackson.map.exc.UnrecognizedPropertyException: Unrecognized
field "access_token" (Class
org.keycloak.representations.AccessTokenResponse), not marked as ignorable
 at [Source: org.apache.http.conn.EofSensorInputStream at 6f3c660a; line: 1,
column: 18] (through reference chain:
org.keycloak.representations.AccessTokenResponse["access_token"])
at
org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readFrom(ClientResponse.java:282)
at
org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readEntity(ClientResponse.java:181)
at
org.jboss.resteasy.specimpl.BuiltResponse.readEntity(BuiltResponse.java:211)
at
org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.extractResult(ClientInvocation.java:104)
... 13 more
Caused by: org.codehaus.jackson.map.exc.UnrecognizedPropertyException:
Unrecognized field "access_token" (Class
org.keycloak.representations.AccessTokenResponse), not marked as ignorable
 at [Source: org.apache.http.conn.EofSensorInputStream at 6f3c660a; line: 1,
column: 18] (through reference chain:
org.keycloak.representations.AccessTokenResponse["access_token"])
at
org.codehaus.jackson.map.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:53)
at
org.codehaus.jackson.map.deser.StdDeserializationContext.unknownFieldException(StdDeserializationContext.java:267)
at
org.codehaus.jackson.map.deser.std.StdDeserializer.reportUnknownProperty(StdDeserializer.java:673)
at
org.codehaus.jackson.map.deser.std.StdDeserializer.handleUnknownProperty(StdDeserializer.java:659)
at
org.codehaus.jackson.map.deser.BeanDeserializer.handleUnknownProperty(BeanDeserializer.java:1365)
at
org.codehaus.jackson.map.deser.BeanDeserializer._handleUnknown(BeanDeserializer.java:725)
at
org.codehaus.jackson.map.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:703)
at
org.codehaus.jackson.map.deser.BeanDeserializer.deserialize(BeanDeserializer.java:580)
at org.codehaus.jackson.map.ObjectMapper._readValue(ObjectMapper.java:2704)
at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1315)
at
org.codehaus.jackson.jaxrs.JacksonJsonProvider.readFrom(JacksonJsonProvider.java:419)
at
org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.readFrom(AbstractReaderInterceptorContext.java:59)
at
org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:51)
at
org.jboss.resteasy.plugins.interceptors.encoding.GZIPDecodingInterceptor.aroundReadFrom(GZIPDecodingInterceptor.java:59)
at
org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:53)
at
org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readFrom(ClientResponse.java:248)

Same sample code with keycloak-admin-client version: 1.8.0 is working fine
and able to provision user in keycloak server. Hence there is some issue
with higher version of keycloak-client-admin bundle than 1.8.0. Please find
attached pom file for project.

Thanks,
Jitendra Chouhan
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