<html><head></head><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1472737746379_24172">Hi Folks....</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472737746379_24173"> We had gone with Keycloak implementation in one of our production instance with Keycloak <span id="yui_3_16_0_ym19_1_1472737746379_24233" style="color: rgb(51, 51, 51); font-family: "Open Sans", Helvetica, Arial, sans-serif; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; line-height: 20px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none; background-color: rgb(255, 255, 255);">1.6.1.Final</span></div><div id="yui_3_16_0_ym19_1_1472737746379_24047">And observing the empty host name log filling up the node consistently....</div><div id="yui_3_16_0_ym19_1_1472737746379_24252"><br></div><div id="yui_3_16_0_ym19_1_1472737746379_24325">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.</div><div id="yui_3_16_0_ym19_1_1472737746379_24334">Any help in this regards will be appreciated.</div><div id="yui_3_16_0_ym19_1_1472737746379_24553"><br></div><div id="yui_3_16_0_ym19_1_1472737746379_24555">Thanks</div><div id="yui_3_16_0_ym19_1_1472737746379_24560">Kamal<br></div><div id="yui_3_16_0_ym19_1_1472737746379_24563"><br></div><div id="yui_3_16_0_ym19_1_1472737746379_24561"><span style="background-color: rgb(253, 248, 105);"><font id="yui_3_16_0_ym19_1_1472737746379_24688"><b id="yui_3_16_0_ym19_1_1472737746379_24566">specific bothering log</b></font></span></div><div id="yui_3_16_0_ym19_1_1472737746379_24562"><br></div><div id="yui_3_16_0_ym19_1_1472737746379_24516" dir="ltr"> 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)<b id="yui_3_16_0_ym19_1_1472737746379_24552"> Failed to parse request.: javax.ws.rs.core.UriBuilderException: Failed to create URI: null</b><br id="yui_3_16_0_ym19_1_1472737746379_24469"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.buildFromValues(ResteasyUriBuilder.java:746)<br id="yui_3_16_0_ym19_1_1472737746379_24470"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.build(ResteasyUriBuilder.java:718)<br id="yui_3_16_0_ym19_1_1472737746379_24471"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.spi.ResteasyUriInfo.initialize(ResteasyUriInfo.java:58)<br id="yui_3_16_0_ym19_1_1472737746379_24472"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.spi.ResteasyUriInfo.<init>(ResteasyUriInfo.java:53)<br id="yui_3_16_0_ym19_1_1472737746379_24473"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.ServletUtil.extractUriInfo(ServletUtil.java:41)<br id="yui_3_16_0_ym19_1_1472737746379_24474"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:199)<br id="yui_3_16_0_ym19_1_1472737746379_24475"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)<br id="yui_3_16_0_ym19_1_1472737746379_24476"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)<br id="yui_3_16_0_ym19_1_1472737746379_24477"> 12:46:23 xxx docker/"keycloak"[1051]: #011at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)<br id="yui_3_16_0_ym19_1_1472737746379_24478"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86)<br id="yui_3_16_0_ym19_1_1472737746379_24479"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)<br id="yui_3_16_0_ym19_1_1472737746379_24480"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:61)<br id="yui_3_16_0_ym19_1_1472737746379_24481"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)<br id="yui_3_16_0_ym19_1_1472737746379_24482"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)<br id="yui_3_16_0_ym19_1_1472737746379_24483"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)<br id="yui_3_16_0_ym19_1_1472737746379_24484"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)<br id="yui_3_16_0_ym19_1_1472737746379_24485"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)<br id="yui_3_16_0_ym19_1_1472737746379_24486"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)<br id="yui_3_16_0_ym19_1_1472737746379_24487"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)<br id="yui_3_16_0_ym19_1_1472737746379_24488"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)<br id="yui_3_16_0_ym19_1_1472737746379_24489"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)<br id="yui_3_16_0_ym19_1_1472737746379_24490"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)<br id="yui_3_16_0_ym19_1_1472737746379_24491"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)<br id="yui_3_16_0_ym19_1_1472737746379_24492"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)<br id="yui_3_16_0_ym19_1_1472737746379_24493"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)<br id="yui_3_16_0_ym19_1_1472737746379_24494"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)<br id="yui_3_16_0_ym19_1_1472737746379_24495"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)<br id="yui_3_16_0_ym19_1_1472737746379_24496"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)<br id="yui_3_16_0_ym19_1_1472737746379_24497"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)<br id="yui_3_16_0_ym19_1_1472737746379_24498"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)<br id="yui_3_16_0_ym19_1_1472737746379_24499"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)<br id="yui_3_16_0_ym19_1_1472737746379_24500"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)<br id="yui_3_16_0_ym19_1_1472737746379_24501"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:282)<br id="yui_3_16_0_ym19_1_1472737746379_24502"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:261)<br id="yui_3_16_0_ym19_1_1472737746379_24503"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:80)<br id="yui_3_16_0_ym19_1_1472737746379_24504"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:172)<br id="yui_3_16_0_ym19_1_1472737746379_24505"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.Connectors.executeRootHandler(Connectors.java:199)<br id="yui_3_16_0_ym19_1_1472737746379_24506"> 12:46:23 xxx docker/"keycloak"[1051]: #011at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:774)<br id="yui_3_16_0_ym19_1_1472737746379_24507"> 12:46:23 xxx docker/"keycloak"[1051]: #011at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)<br id="yui_3_16_0_ym19_1_1472737746379_24508"> 12:46:23 xxx docker/"keycloak"[1051]: #011at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)<br id="yui_3_16_0_ym19_1_1472737746379_24509"> 12:46:23 xxx docker/"keycloak"[1051]: #011at java.lang.Thread.run(Thread.java:745)<br id="yui_3_16_0_ym19_1_1472737746379_24510"> 12:46:23 xxx docker/"keycloak"[1051]: <b id="yui_3_16_0_ym19_1_1472737746379_24545">Caused by: javax.ws.rs.core.UriBuilderException: empty host name</b><br id="yui_3_16_0_ym19_1_1472737746379_24511"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.buildString(ResteasyUriBuilder.java:537)<br id="yui_3_16_0_ym19_1_1472737746379_24512"> 12:46:23 xxx docker/"keycloak"[1051]: #011at org.jboss.resteasy.specimpl.ResteasyUriBuilder.buildFromValues(ResteasyUriBuilder.java:740)<br id="yui_3_16_0_ym19_1_1472737746379_24513"> 12:46:23 xxx docker/"keycloak"[1051]: #011... 40 more<br id="yui_3_16_0_ym19_1_1472737746379_24514"> 12:46:23 xxx docker/"keycloak"[1051]: <br id="yui_3_16_0_ym19_1_1472737746379_24515"><br></div><div id="yui_3_16_0_ym19_1_1472737746379_24335"><br></div></div></body></html>