[keycloak-user] adding translations to theme leads to NullPointerException

[Eugen Stan]

Hello,

We have translated keycloak into multiple languages, available at [1].

I've copied those translations into our custom theme and build the
docker image.

I updated the iimage and it fails to start with the following exception.

Just the files being there causes the above exception.

Any ideas how to fix this ?


Regards,


```

15:47:17,655 ERROR [org.keycloak.services.error.KeycloakErrorHandler]
(default task-6) Failed to create error page: java.lang.NullPointerException
    at
org.keycloak.theme.ExtendingThemeManager.loadTheme(ExtendingThemeManager.java:117)
    at
org.keycloak.theme.ExtendingThemeManager.getTheme(ExtendingThemeManager.java:95)
    at
org.keycloak.theme.DefaultThemeManager.getTheme(DefaultThemeManager.java:26)
    at
org.keycloak.theme.DefaultThemeManager.getTheme(DefaultThemeManager.java:21)
    at
org.keycloak.services.error.KeycloakErrorHandler.toResponse(KeycloakErrorHandler.java:71)
    at
org.jboss.resteasy.core.ExceptionHandler.executeExceptionMapper(ExceptionHandler.java:102)
    at
org.jboss.resteasy.core.ExceptionHandler.unwrapException(ExceptionHandler.java:131)
    at
org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:76)
    at
org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:222)
    at
org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:197)
    at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:459)
    at
org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:233)
    at
org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:139)
    at
org.jboss.resteasy.core.interception.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:358)
    at
org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:142)
    at
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:219)
    at
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:227)
    at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
    at
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:791)
    at
io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
    at
io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
    at
org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:90)
    at
io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
    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.ServletChain$1.handleRequest(ServletChain.java:68)
    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:132)
    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
org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
    at
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    at
io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
    at
io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
    at
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
    at
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
    at
io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
    at
io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
    at
org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
    at
org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
    at
org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
    at
org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
    at
org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
    at
io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
    at
io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
    at
io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:360)
    at
io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
    at
org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
    at
org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
    at
org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
    at
org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
    at java.lang.Thread.run(Thread.java:748)

````


[1] https://github.com/GreatPeopleInside/keycloak


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