From time to time (mostly when keycloak is configured with database) I get ERROR [org.jboss.resteasy.resteasy_jaxrs.i18n] (default task-9) RESTEASY002005: Failed executing GET /admin/realms/test/clients/021b7ccc-9266-45be-a298-5748a4039b08: org.jboss.resteasy.spi.UnauthorizedException: Bearer
at org.keycloak.services.resources.admin.AdminRoot.authenticateRealmAdminRequest(AdminRoot.java:171)
at org.keycloak.services.resources.admin.AdminRoot.getRealmsAdmin(AdminRoot.java:202)
at sun.reflect.GeneratedMethodAccessor359.invoke(Unknown Source)
...

while importing test realm or creating test user.

There is link to test result with error: https://keycloak-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/view/RH-SSO/job/rh-sso-jpa-matrix/DB=oracle11gR2,jdk=mw_oraclejdk8,label_exp=rhel7/44/testReport/org.keycloak.testsuite.client/ClientRegistrationTest/getClientAsAdmin/