Maybe you can get some ideas from DefaultEmailSenderProvider[1]? [1] - https://github.com/keycloak/keycloak/blob/master/services/src/main/java/o... On 2016-07-25, Vineet Reynolds wrote: > Hi everybody, > > Has anyone managed to configure Keycloak 2.0.0.Final to use a > transactional email API instead of configuring an SMTP server? I would > prefer to have Keycloak send emails using a rest API like Sendgrid, > Mandrill, Mailgun or Amazon SES (the cloud-native way) instead of running > an SMTP server. > > I'd also appreciate if this is possible through the SPI providers. > > * Should I implement both EmailSenderProvider and EmailTemplateProvider > SPIs ? > * I cannot get my custom EmailSenderProvider SPI implementation to work, > as the FreemarkerEmailTemplateProvider implementation fails to obtain the > implementation of the EmailSenderProvider. Stack trace is below > > 13:17:53,991 ERROR > [org.keycloak.forms.login.freemarker.FreeMarkerLoginFormsProvider] (default > task-39) Failed to send verification email: > org.keycloak.email.EmailException: Failed to template email > at > org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:179) > at > org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:150) > at > org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.sendVerifyEmail(FreeMarkerEmailTemplateProvider.java:146) > at > org.keycloak.forms.login.freemarker.FreeMarkerLoginFormsProvider.createResponse(FreeMarkerLoginFormsProvider.java:156) > at > org.keycloak.authentication.requiredactions.VerifyEmail.requiredActionChallenge(VerifyEmail.java:73) > at > org.keycloak.services.managers.AuthenticationManager.executionActions(AuthenticationManager.java:559) > at > org.keycloak.services.managers.AuthenticationManager.actionRequired(AuthenticationManager.java:490) > at > org.keycloak.services.managers.AuthenticationManager.nextActionAfterAuthentication(AuthenticationManager.java:412) > at > org.keycloak.services.resources.LoginActionsService$Checks.verifyRequiredAction(LoginActionsService.java:299) > at > org.keycloak.services.resources.LoginActionsService.processRequireAction(LoginActionsService.java:853) > at > org.keycloak.services.resources.LoginActionsService.requiredActionGET(LoginActionsService.java:846) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:139) > at > org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:295) > at > org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:249) > at > org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:138) > at > org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:101) > at > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:395) > at > org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:202) > at > org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221) > at > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56) > at > org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) > at > io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) > at > org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:90) > at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) > at > io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) > at > io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) > at > io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) > at > io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) > at > org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) > at > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > at > io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) > at > io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) > at > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > at > io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) > at > io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) > at > io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) > at > io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) > at > io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) > at > io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) > at > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > at > org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) > at > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > at > io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) > at > io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:284) > at > io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:263) > at > io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) > at > io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:174) > at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202) > at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:793) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.lang.NullPointerException > at > org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:185) > at > org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:177) > ... 57 more > > > > Thanks, > Vineet > _______________________________________________ > keycloak-user mailing list > keycloak-user(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/keycloak-user -- abstractj PGP: 0x84DC9914