[keycloak-dev] Any clue regarding javax.ws.rs.core.UriBuilderException: empty host name

[Kamal Jagadevan]

Hi Folks....   We had gone with Keycloak implementation in one of our production instance with Keycloak 1.6.1.FinalAnd observing the empty host name log filling up the node consistently....
I know we have to upgrade to latest version but is there any clue or direction to find or block this error message filling up the node.Any help in this regards will be appreciated.
ThanksKamal

specific bothering log
  12:46:23 xxx docker/"keycloak"[1051]: #033[0m#033[33m12:46:23,285 WARN  [org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher] (default task-16) Failed to parse request.: javax.ws.rs.core.UriBuilderException: Failed to create URI: null
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.buildFromValues(ResteasyUriBuilder.java:746)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.build(ResteasyUriBuilder.java:718)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.spi.ResteasyUriInfo.initialize(ResteasyUriInfo.java:58)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.spi.ResteasyUriInfo.<init>(ResteasyUriInfo.java:53)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.ServletUtil.extractUriInfo(ServletUtil.java:41)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:199)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
  12:46:23 xxx docker/"keycloak"[1051]: #011at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:61)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:282)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:261)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:80)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:172)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.Connectors.executeRootHandler(Connectors.java:199)
  12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:774)
  12:46:23 xxx docker/"keycloak"[1051]: #011at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
  12:46:23 xxx docker/"keycloak"[1051]: #011at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
  12:46:23 xxx docker/"keycloak"[1051]: #011at java.lang.Thread.run(Thread.java:745)
  12:46:23 xxx docker/"keycloak"[1051]: Caused by: javax.ws.rs.core.UriBuilderException: empty host name
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.buildString(ResteasyUriBuilder.java:537)
  12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.buildFromValues(ResteasyUriBuilder.java:740)
  12:46:23 xxx docker/"keycloak"[1051]: #011... 40 more
  12:46:23 xxx docker/"keycloak"[1051]: 


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