Hey, I think you could try to add dependency to the keycloak-services, see https://docs.jboss.org/author/display/WFLY/Class+Loading+in+WildFly section JBoss Deployment Structure File. V. On 7/18/19 12:59 PM, Bo.Y(a)dell.com wrote:

Hi, Did any one has any ideas? From: Yang, Bo Sent: Friday, July 19, 2019 10:57 AM To: 'Vlasta Ramik'; keycloak-user(a)lists.jboss.org Subject: RE: [keycloak-user] Uncaught server error: java.lang.NoClassDefFoundError: org/keycloak/services/validation/Validation Hi Vlasta, I think I have had them in "jboss-deployment-structure" [/opt/jboss/keycloak/modules/system/layers/keycloak/org/keycloak/keycloak-server-subsystem/main/server-war/WEB-INF/ jboss-deployment-structure] <jboss-deployment-structure> <deployment> <dependencies> <module name="org.keycloak.keycloak-server-subsystem.dependencies"/> <!-- Kie requires access to kie.conf files from META-INF --> <module name="org.kie"> <imports> <include path="META-INF"/> </imports> </module> </dependencies> <exclude-subsystems> <subsystem name="webservices"/> <subsystem name="weld"/> </exclude-subsystems> </deployment> </jboss-deployment-structure> [/opt/jboss/keycloak/modules/system/layers/keycloak/org/keycloak/keycloak-server-subsystem/dependencies/main/module.xml] <module name="org.keycloak.keycloak-server-subsystem.dependencies" xmlns="urn:jboss:module:1.1"> <resources> </resources> <dependencies> <module name="org.keycloak.keycloak-services" export="true"/> <module name="org.jboss.msc"/> <module name="org.infinispan" export="true"/> </dependencies> </module> Thanks, Bo From: Vlasta Ramik <vramik@redhat.com<mailto:vramik@redhat.com>> Sent: Thursday, July 18, 2019 7:28 PM To: Yang, Bo; keycloak-user@lists.jboss.org<mailto:keycloak-user@lists.jboss.org> Subject: Re: [keycloak-user] Uncaught server error: java.lang.NoClassDefFoundError: org/keycloak/services/validation/Validation [EXTERNAL EMAIL] Hey, I think you could try to add dependency to the keycloak-services, see https://docs.jboss.org/author/display/WFLY/Class+Loading+in+WildFly section JBoss Deployment Structure File. V. On 7/18/19 12:59 PM, Bo.Y@dell.com<mailto:Bo.Y@dell.com> wrote: Hi Experts, When I follow https://www.keycloak.org/docs/latest/server_development/index.html#packag... step by step to do customize the validation in keycloak. After I throw my jar into standalone/deployment, it creates a deployed file and the log shows the jar is deployed. I can found my execution in keycloak admin console which shows in the screen shot below. But when it comes to register page, after I click register button with my filled content I got exception in keycloak log file. I also checked `standalone.xml` and `jboss-deployment-structure.xml` which seems fine too which means it include "keycloak-services-4.7.0.Final.jar". I don't find any useful information in the search. So could anyone help to have a look please? Keycloak version: compile group: 'org.keycloak', name: 'keycloak-core', version: '4.7.0.Final' compile group: 'org.keycloak', name: 'keycloak-server-spi', version: '4.7.0.Final' compile group: 'org.keycloak', name: 'keycloak-server-spi-private', version: '4.7.0.Final' compile group: 'org.keycloak', name: 'keycloak-services', version: '4.7.0.Final' [Screen Shot] [cid:image003.jpg@01D53D9A.DBB94DF0] [Exception] 09:04:01,128 ERROR [org.keycloak.services.error.KeycloakErrorHandler] (default task-35) Uncaught server error: java.lang.NoClassDefFoundError: org/keycloak/services/validation/Validation at com.xxxxxx.registerformcustom.validate(registerformcustom.java:51) at org.keycloak.authentication.FormAuthenticationFlow.processAction(FormAuthenticationFlow.java:214) at org.keycloak.authentication.DefaultAuthenticationFlow.processAction(DefaultAuthenticationFlow.java:97) at org.keycloak.authentication.AuthenticationProcessor.authenticationAction(AuthenticationProcessor.java:873) at org.keycloak.services.resources.LoginActionsService.processFlow(LoginActionsService.java:292) at org.keycloak.services.resources.LoginActionsService.processRegistration(LoginActionsService.java:627) at org.keycloak.services.resources.LoginActionsService.registerRequest(LoginActionsService.java:681) at org.keycloak.services.resources.LoginActionsService.processRegister(LoginActionsService.java:661) at sun.reflect.GeneratedMethodAccessor1030.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Delegati _______________________________________________ keycloak-user mailing list keycloak-user@lists.jboss.org<mailto:keycloak-user@lists.jboss.org> https://lists.jboss.org/mailman/listinfo/keycloak-user