log
```
2023-02-22 18:52:08.904 ERROR 66290 --- [-auto-1-exec-10] o.k.f.l.f.FreeMarkerLoginFormsProvider : Failed to process template
org.keycloak.theme.FreeMarkerException: Failed to process template mobile_number_form.ftl
at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.processTemplate(DefaultFreeMarkerProvider.java:52) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.forms.login.freemarker.FreeMarkerLoginFormsProvider.processTemplate(FreeMarkerLoginFormsProvider.java:524) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.forms.login.freemarker.FreeMarkerLoginFormsProvider.createForm(FreeMarkerLoginFormsProvider.java:326) ~[keycloak-services-20.0.3.jar:20.0.3]
at netzbegruenung.keycloak.authenticator.PhoneNumberRequiredAction.requiredActionChallenge(PhoneNumberRequiredAction.java:119) ~[classes/:na]
at org.keycloak.services.managers.AuthenticationManager.executeAction(AuthenticationManager.java:1316) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.services.managers.AuthenticationManager.lambda$executionActions$18(AuthenticationManager.java:1264) ~[keycloak-services-20.0.3.jar:20.0.3]
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) ~[na:na]
at java.base/java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:400) ~[na:na]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:503) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[na:na]
at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
at java.base/java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:543) ~[na:na]
at org.keycloak.services.managers.AuthenticationManager.executionActions(AuthenticationManager.java:1265) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.services.managers.AuthenticationManager.actionRequired(AuthenticationManager.java:1153) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.services.managers.AuthenticationManager.nextActionAfterAuthentication(AuthenticationManager.java:1001) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.services.resources.LoginActionsService.processRequireAction(LoginActionsService.java:993) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.services.resources.LoginActionsService.requiredActionGET(LoginActionsService.java:975) ~[keycloak-services-20.0.3.jar:20.0.3]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:170) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:130) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:660) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:524) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$2(ResourceMethodInvoker.java:474) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:476) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:434) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:192) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:141) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:32) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:492) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:261) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:161) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:164) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:247) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:249) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:60) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.62.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at netzbegruenung.keycloak.dev.config.EmbeddedKeycloakRequestFilter.lambda$doFilter$0(EmbeddedKeycloakRequestFilter.java:23) ~[classes/:na]
at org.keycloak.services.filters.AbstractRequestFilter.filter(AbstractRequestFilter.java:43) ~[keycloak-services-20.0.3.jar:20.0.3]
at netzbegruenung.keycloak.dev.config.EmbeddedKeycloakRequestFilter.doFilter(EmbeddedKeycloakRequestFilter.java:21) ~[classes/:na]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.19.jar:5.3.19]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.19.jar:5.3.19]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:96) ~[spring-boot-actuator-2.6.7.jar:2.6.7]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.19.jar:5.3.19]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.62.jar:9.0.62]
at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]
Caused by: freemarker.template.TemplateNotFoundException: Template not found for name "mobile_number_form.ftl".
The name was interpreted by this TemplateLoader: org.keycloak.theme.freemarker.DefaultFreeMarkerProvider$ThemeTemplateLoader@430d57c.
at freemarker.template.Configuration.getTemplate(Configuration.java:2883) ~[freemarker-2.3.31.jar:2.3.31]
at freemarker.template.Configuration.getTemplate(Configuration.java:2703) ~[freemarker-2.3.31.jar:2.3.31]
at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.getTemplate(DefaultFreeMarkerProvider.java:66) ~[keycloak-services-20.0.3.jar:20.0.3]
at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.processTemplate(DefaultFreeMarkerProvider.java:39) ~[keycloak-services-20.0.3.jar:20.0.3]
... 88 common frames omitted
2023-02-22 18:52:08.906 ERROR 66290 --- [-auto-1-exec-10] o.k.h.DefaultSecurityHeadersProvider : MediaType not set on path /auth/realms/master/login-actions/required-action, with response status 500
2023-02-22 18:52:08.909 ERROR 66290 --- [-auto-1-exec-10] o.k.services.error.KeycloakErrorHandler : Uncaught server error
```
TODO:
log
``` 2023-02-22 18:52:08.904 ERROR 66290 --- [-auto-1-exec-10] o.k.f.l.f.FreeMarkerLoginFormsProvider : Failed to process template org.keycloak.theme.FreeMarkerException: Failed to process template mobile_number_form.ftl at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.processTemplate(DefaultFreeMarkerProvider.java:52) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.forms.login.freemarker.FreeMarkerLoginFormsProvider.processTemplate(FreeMarkerLoginFormsProvider.java:524) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.forms.login.freemarker.FreeMarkerLoginFormsProvider.createForm(FreeMarkerLoginFormsProvider.java:326) ~[keycloak-services-20.0.3.jar:20.0.3] at netzbegruenung.keycloak.authenticator.PhoneNumberRequiredAction.requiredActionChallenge(PhoneNumberRequiredAction.java:119) ~[classes/:na] at org.keycloak.services.managers.AuthenticationManager.executeAction(AuthenticationManager.java:1316) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.services.managers.AuthenticationManager.lambda$executionActions$18(AuthenticationManager.java:1264) ~[keycloak-services-20.0.3.jar:20.0.3] at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) ~[na:na] at java.base/java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:400) ~[na:na] at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na] at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na] at java.base/java.util.stream.Sink$ChainedReference.end(Sink.java:258) ~[na:na] at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:503) ~[na:na] at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) ~[na:na] at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[na:na] at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150) ~[na:na] at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na] at java.base/java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:543) ~[na:na] at org.keycloak.services.managers.AuthenticationManager.executionActions(AuthenticationManager.java:1265) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.services.managers.AuthenticationManager.actionRequired(AuthenticationManager.java:1153) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.services.managers.AuthenticationManager.nextActionAfterAuthentication(AuthenticationManager.java:1001) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.services.resources.LoginActionsService.processRequireAction(LoginActionsService.java:993) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.services.resources.LoginActionsService.requiredActionGET(LoginActionsService.java:975) ~[keycloak-services-20.0.3.jar:20.0.3] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na] at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:170) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:130) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:660) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:524) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$2(ResourceMethodInvoker.java:474) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:476) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:434) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:192) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:141) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:32) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:492) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:261) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:161) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:164) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:247) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:249) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:60) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) ~[resteasy-core-4.7.7.Final.jar:4.7.7.Final] at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.62.jar:4.0.FR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at netzbegruenung.keycloak.dev.config.EmbeddedKeycloakRequestFilter.lambda$doFilter$0(EmbeddedKeycloakRequestFilter.java:23) ~[classes/:na] at org.keycloak.services.filters.AbstractRequestFilter.filter(AbstractRequestFilter.java:43) ~[keycloak-services-20.0.3.jar:20.0.3] at netzbegruenung.keycloak.dev.config.EmbeddedKeycloakRequestFilter.doFilter(EmbeddedKeycloakRequestFilter.java:21) ~[classes/:na] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.19.jar:5.3.19] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.19.jar:5.3.19] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:96) ~[spring-boot-actuator-2.6.7.jar:2.6.7] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.19.jar:5.3.19] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.19.jar:5.3.19] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.62.jar:9.0.62] at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na] Caused by: freemarker.template.TemplateNotFoundException: Template not found for name "mobile_number_form.ftl". The name was interpreted by this TemplateLoader: org.keycloak.theme.freemarker.DefaultFreeMarkerProvider$ThemeTemplateLoader@430d57c. at freemarker.template.Configuration.getTemplate(Configuration.java:2883) ~[freemarker-2.3.31.jar:2.3.31] at freemarker.template.Configuration.getTemplate(Configuration.java:2703) ~[freemarker-2.3.31.jar:2.3.31] at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.getTemplate(DefaultFreeMarkerProvider.java:66) ~[keycloak-services-20.0.3.jar:20.0.3] at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.processTemplate(DefaultFreeMarkerProvider.java:39) ~[keycloak-services-20.0.3.jar:20.0.3] ... 88 common frames omitted 2023-02-22 18:52:08.906 ERROR 66290 --- [-auto-1-exec-10] o.k.h.DefaultSecurityHeadersProvider : MediaType not set on path /auth/realms/master/login-actions/required-action, with response status 500 2023-02-22 18:52:08.909 ERROR 66290 --- [-auto-1-exec-10] o.k.services.error.KeycloakErrorHandler : Uncaught server error ```