followed below steps to integrate.
https://apim.docs.wso2.com/en/latest/administer/key-managers/configure-keycloak-connector/
Getting below error,
Caused by: feign.FeignException$Unauthorized: [401 Unauthorized] during [POST] to [http://localhost:8080/auth/realms/ws02-realm/clients-registrations/openid-connect] [DCRClient#createApplication(ClientInfo)]: [{“error”:“invalid_token”,“error_description”:“Failed decode token”}]
at feign.FeignException.clientErrorStatus(FeignException.java:197) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at feign.FeignException.errorStatus(FeignException.java:177) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at feign.FeignException.errorStatus(FeignException.java:169) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at feign.codec.ErrorDecoder$Default.decode(ErrorDecoder.java:92) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at feign.AsyncResponseHandler.handleResponse(AsyncResponseHandler.java:96) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:138) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:89) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:100) ~[io.github.openfeign.feign-core_11.0.0.jar:?]
at com.sun.proxy.$Proxy448.createApplication(Unknown Source) ~[?:?]
at org.wso2.keycloak.client.KeycloakClient.createApplication(KeycloakClient.java:134) ~[keycloak.key.manager_2.0.6.jar:?]
at org.wso2.carbon.apimgt.impl.workflow.AbstractApplicationRegistrationWorkflowExecutor.dogenerateKeysForApplication_aroundBody8(AbstractApplicationRegistrationWorkflowExecutor.java:154) ~[org.wso2.carbon.apimgt.impl_9.0.174.jar:?]
at org.wso2.carbon.apimgt.impl.workflow.AbstractApplicationRegistrationWorkflowExecutor.dogenerateKeysForApplication(AbstractApplicationRegistrationWorkflowExecutor.java:125) ~[org.wso2.carbon.apimgt.impl_9.0.174.jar:?]
at org.wso2.carbon.apimgt.impl.workflow.AbstractApplicationRegistrationWorkflowExecutor.generateKeysForApplication_aroundBody6(AbstractApplicationRegistrationWorkflowExecutor.java:121) ~[org.wso2.carbon.apimgt.impl_9.0.174.jar:?]
at org.wso2.carbon.apimgt.impl.workflow.AbstractApplicationRegistrationWorkflowExecutor.generateKeysForApplication(AbstractApplicationRegistrationWorkflowExecutor.java:118) ~[org.wso2.carbon.apimgt.impl_9.0.174.jar:?]
at org.wso2.carbon.apimgt.impl.workflow.ApplicationRegistrationSimpleWorkflowExecutor.complete_aroundBody2(ApplicationRegistrationSimpleWorkflowExecutor.java:77) ~[org.wso2.carbon.apimgt.impl_9.0.174.jar:?]
… 59 more
[2021-08-19 19:09:38,230] ERROR - GlobalThrowableMapper org.wso2.carbon.apimgt.impl.workflow.WorkflowException: Error occurred while executing SubscriberKeyMgtClient. (edited) (edited)