Using rewrite-user-name-regex element in Elytron client configuration file causes NPE ------------------------------------------------------------------------------------- Key: ELY-1177 URL: https://issues.jboss.org/browse/ELY-1177 Project: WildFly Elytron Issue Type: Bug Affects Versions: 1.1.0.Beta42 Reporter: Ondrej Lukas Assignee: Darran Lofthouse Priority: Blocker When element {{rewrite-user-name-regex}} is used in Elytron client configuration file then NullPointerException is thrown during authentication. Stack trace of thrown NPE: {code} java.lang.NullPointerException org.wildfly.security.auth.client.AuthenticationConfiguration.rewriteUser(AuthenticationConfiguration.java:492) org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseAuthenticationConfigurationType$14(ElytronXmlParser.java:605) org.wildfly.security.auth.client.ElytronXmlParser.lambda$andThenOp$27(ElytronXmlParser.java:832) org.wildfly.security.auth.client.ElytronXmlParser.lambda$andThenOp$27(ElytronXmlParser.java:832) org.wildfly.security.auth.client.ElytronXmlParser.lambda$andThenOp$27(ElytronXmlParser.java:832) org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseAuthenticationConfigurationType$25(ElytronXmlParser.java:704) org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseAuthenticationRuleType$7(ElytronXmlParser.java:513) org.wildfly.security.auth.client.ElytronXmlParser.lambda$parseRulesType$8(ElytronXmlParser.java:537) org.wildfly.security.auth.client.ElytronXmlParser.parseAuthenticationClientType(ElytronXmlParser.java:308) org.wildfly.security.auth.client.ElytronXmlParser.parseAuthenticationClientConfiguration(ElytronXmlParser.java:180) org.wildfly.security.auth.client.ElytronXmlParser.parseAuthenticationClientConfiguration(ElytronXmlParser.java:141) com.redhat.eap.qe.elytron.authnctx.WildflyConfigXmlServlet.parseAndCreateAuthenticationClientConfiguration(WildflyConfigXmlServlet.java:120) com.redhat.eap.qe.elytron.authnctx.WildflyConfigXmlServlet.doGet(WildflyConfigXmlServlet.java:95) javax.servlet.http.HttpServlet.service(HttpServlet.java:687) javax.servlet.http.HttpServlet.service(HttpServlet.java:790) io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68) io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292) io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81) io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138) io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135) io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48) io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43) org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105) org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704) org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704) org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704) org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704) io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272) io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104) io.undertow.server.Connectors.executeRootHandler(Connectors.java:211) io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:809) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) java.lang.Thread.run(Thread.java:745) {code}