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Type: Bug
Resolution: Done
Priority: Undefined
Fix Version/s: 26.0.6
Affects Version/s: None
Component/s: team/core-clients
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Epic Link:
RHBK-2287
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_Originally posted by @dingsoyr in https://github.com/keycloak/keycloak/issues/32685#issuecomment-2440981296_

Hi..

After upgrading to Keycloak 26.0.2 i get an error in the logs related to the new credential templates. When e.g. a user is updating his/her passord the error is:

```
2024-10-28 10:05:43,747 SEVERE [freemarker.runtime] (executor-thread-3) Error executing FreeMarker template: freemarker.core.NonHashException: For "." left-hand operand: Expected a hash, but this has evaluated to a sequence (wrapper: f.t.SimpleSequence):
==> event.details [in template "text/event-update_credential.ftl" at line 2, column 36]

FTL stack trace ("~" means nesting-related):

    - Failed at: ${msg("eventUpdateCredentialBody", ev...  [in template "text/event-update_credential.ftl" at line 2, column 1]

    at freemarker.core.Dot._eval(Dot.java:48)
    at freemarker.core.Expression.eval(Expression.java:101)
    at freemarker.core.DefaultToExpression._eval(DefaultToExpression.java:96)
    at freemarker.core.Expression.eval(Expression.java:101)
    at freemarker.core.ListLiteral.getModelList(ListLiteral.java:98)
    at freemarker.core.MethodCall._eval(MethodCall.java:60)
    at freemarker.core.Expression.eval(Expression.java:101)
    at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
    at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
    at freemarker.core.Environment.visit(Environment.java:335)
    at freemarker.core.Environment.process(Environment.java:314)
    at freemarker.template.Template.process(Template.java:383)
    at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.processTemplate(DefaultFreeMarkerProvider.java:49)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.processTemplate(FreeMarkerEmailTemplateProvider.java:233)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:262)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:257)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:211)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.sendEvent(FreeMarkerEmailTemplateProvider.java:108)
    at org.keycloak.events.email.EmailEventListenerProvider$1.run(EmailEventListenerProvider.java:97)
    at org.keycloak.models.utils.KeycloakModelUtils.lambda$runJobInTransaction$1(KeycloakModelUtils.java:274)
    at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransactionWithResult(KeycloakModelUtils.java:393)
    at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransaction(KeycloakModelUtils.java:273)
    at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransaction(KeycloakModelUtils.java:263)
    at org.keycloak.events.email.EmailEventListenerProvider.sendEmail(EmailEventListenerProvider.java:75)
    at java.base/java.lang.Iterable.forEach(Iterable.java:75)
    at org.keycloak.events.EventListenerTransaction.commitImpl(EventListenerTransaction.java:62)
    at org.keycloak.models.AbstractKeycloakTransaction.commit(AbstractKeycloakTransaction.java:46)
    at org.keycloak.services.DefaultKeycloakTransactionManager.commit(DefaultKeycloakTransactionManager.java:146)
    at org.keycloak.services.DefaultKeycloakSession.closeTransactionManager(DefaultKeycloakSession.java:414)
    at org.keycloak.services.DefaultKeycloakSession.close(DefaultKeycloakSession.java:379)
    at org.keycloak.models.KeycloakBeanProducer_ProducerMethod_getKeycloakSession_XoSEUTXOsE3bpqXlGMAykCiECUM_ClientProxy.close(Unknown Source)
    at org.keycloak.quarkus.runtime.transaction.TransactionalSessionHandler.close(TransactionalSessionHandler.java:60)
    at org.keycloak.quarkus.runtime.integration.jaxrs.CloseSessionFilter.closeSession(CloseSessionFilter.java:67)
    at org.keycloak.quarkus.runtime.integration.jaxrs.CloseSessionFilter.filter(CloseSessionFilter.java:63)
    at org.jboss.resteasy.reactive.server.handlers.ResourceResponseFilterHandler.handle(ResourceResponseFilterHandler.java:25)
    at io.quarkus.resteasy.reactive.server.runtime.QuarkusResteasyReactiveRequestContext.invokeHandler(QuarkusResteasyReactiveRequestContext.java:150)
    at org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:147)
    at io.quarkus.vertx.core.runtime.VertxCoreRecorder$14.runWith(VertxCoreRecorder.java:635)
    at org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2516)
    at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2495)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1521)
    at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:11)
    at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:11)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.base/java.lang.Thread.run(Thread.java:840)

2024-10-28 10:05:43,748 ERROR [org.keycloak.events.email.EmailEventListenerProvider] (executor-thread-3) Failed to send type mail: org.keycloak.email.EmailException: Failed to template email

    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.processTemplate(FreeMarkerEmailTemplateProvider.java:247)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:262)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:257)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.send(FreeMarkerEmailTemplateProvider.java:211)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.sendEvent(FreeMarkerEmailTemplateProvider.java:108)
    at org.keycloak.events.email.EmailEventListenerProvider$1.run(EmailEventListenerProvider.java:97)
    at org.keycloak.models.utils.KeycloakModelUtils.lambda$runJobInTransaction$1(KeycloakModelUtils.java:274)
    at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransactionWithResult(KeycloakModelUtils.java:393)
    at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransaction(KeycloakModelUtils.java:273)
    at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransaction(KeycloakModelUtils.java:263)
    at org.keycloak.events.email.EmailEventListenerProvider.sendEmail(EmailEventListenerProvider.java:75)
    at java.base/java.lang.Iterable.forEach(Iterable.java:75)
    at org.keycloak.events.EventListenerTransaction.commitImpl(EventListenerTransaction.java:62)
    at org.keycloak.models.AbstractKeycloakTransaction.commit(AbstractKeycloakTransaction.java:46)
    at org.keycloak.services.DefaultKeycloakTransactionManager.commit(DefaultKeycloakTransactionManager.java:146)
    at org.keycloak.services.DefaultKeycloakSession.closeTransactionManager(DefaultKeycloakSession.java:414)
    at org.keycloak.services.DefaultKeycloakSession.close(DefaultKeycloakSession.java:379)
    at org.keycloak.models.KeycloakBeanProducer_ProducerMethod_getKeycloakSession_XoSEUTXOsE3bpqXlGMAykCiECUM_ClientProxy.close(Unknown Source)
    at org.keycloak.quarkus.runtime.transaction.TransactionalSessionHandler.close(TransactionalSessionHandler.java:60)
    at org.keycloak.quarkus.runtime.integration.jaxrs.CloseSessionFilter.closeSession(CloseSessionFilter.java:67)
    at org.keycloak.quarkus.runtime.integration.jaxrs.CloseSessionFilter.filter(CloseSessionFilter.java:63)
    at org.jboss.resteasy.reactive.server.handlers.ResourceResponseFilterHandler.handle(ResourceResponseFilterHandler.java:25)
    at io.quarkus.resteasy.reactive.server.runtime.QuarkusResteasyReactiveRequestContext.invokeHandler(QuarkusResteasyReactiveRequestContext.java:150)
    at org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:147)
    at io.quarkus.vertx.core.runtime.VertxCoreRecorder$14.runWith(VertxCoreRecorder.java:635)
    at org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2516)
    at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2495)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1521)
    at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:11)
    at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:11)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.base/java.lang.Thread.run(Thread.java:840)

Caused by: org.keycloak.email.EmailException: Failed to template plain text email.

    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.processTemplate(FreeMarkerEmailTemplateProvider.java:235)
    ... 31 more

Caused by: org.keycloak.theme.FreeMarkerException: Failed to process template text/event-update_credential.ftl

    at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.processTemplate(DefaultFreeMarkerProvider.java:52)
    at org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider.processTemplate(FreeMarkerEmailTemplateProvider.java:233)
    ... 31 more

Caused by: freemarker.core.NonHashException: For "." left-hand operand: Expected a hash, but this has evaluated to a sequence (wrapper: f.t.SimpleSequence):
==> event.details [in template "text/event-update_credential.ftl" at line 2, column 36]

FTL stack trace ("~" means nesting-related):

    - Failed at: ${msg("eventUpdateCredentialBody", ev...  [in template "text/event-update_credential.ftl" at line 2, column 1]

    at freemarker.core.Dot._eval(Dot.java:48)
    at freemarker.core.Expression.eval(Expression.java:101)
    at freemarker.core.DefaultToExpression._eval(DefaultToExpression.java:96)
    at freemarker.core.Expression.eval(Expression.java:101)
    at freemarker.core.ListLiteral.getModelList(ListLiteral.java:98)
    at freemarker.core.MethodCall._eval(MethodCall.java:60)
    at freemarker.core.Expression.eval(Expression.java:101)
    at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
    at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
    at freemarker.core.Environment.visit(Environment.java:335)
    at freemarker.core.Environment.process(Environment.java:314)
    at freemarker.template.Template.process(Template.java:383)
    at org.keycloak.theme.freemarker.DefaultFreeMarkerProvider.processTemplate(DefaultFreeMarkerProvider.java:49)
    ... 32 more

```

Using the "keycloak" email theme.

The same type of error also occurs when the event-remove_credential.ftl is triggered, eg when removing OTP from an account.

links to

Link to original GitHub issue

Assignee:: Unassigned

Reporter:: Pavel Vlha

Team:: Keycloak Core Clients

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Created:: 2024/11/20 12:03 PM

Updated:: 2024/11/25 12:23 PM

Resolved:: 2024/11/20 12:03 PM

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