在 Keycloak 用户创建期间显示错误，在 JSON 表示中使用已弃用的“凭据”格式

Question

在 23.0.x 中创建 Keycloak 用户期间显示错误，在 JSON 表示中使用已弃用的“凭据”格式。该错误提到 CredentialRepresentation.getHashIterations() 为 null，但上述字段已弃用，并且无法设置该属性。

2023-12-01 15:03:36,761 WARN  [org.keycloak.models.utils.RepresentationToModel] (executor-thread-8) Using deprecated 'credentials' format in JSON representation for user 'Sapil'. It will be removed in future versions
2023-12-01 15:03:36,762 ERROR [org.keycloak.services.error.KeycloakErrorHandler] (executor-thread-8) Uncaught server error: java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "org.keycloak.representations.idm.CredentialRepresentation.getHashIterations()" is null
    at org.keycloak.models.utils.RepresentationToModel.convertDeprecatedCredentialsFormat(RepresentationToModel.java:225)
    at org.keycloak.models.utils.RepresentationToModel.createCredentials(RepresentationToModel.java:734)
    at org.keycloak.services.resources.admin.UsersResource.createUser(UsersResource.java:171)
    at org.keycloak.services.resources.admin.UsersResource$quarkusrestinvoker$createUser_4d0cc20e069446c6d13766369a6d45d05b869eef.invoke(Unknown Source)
    at org.jboss.resteasy.reactive.server.handlers.InvocationHandler.handle(InvocationHandler.java:29)
    at io.quarkus.resteasy.reactive.server.runtime.QuarkusResteasyReactiveRequestContext.invokeHandler(QuarkusResteasyReactiveRequestContext.java:141)
    at org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:145)
    at io.quarkus.vertx.core.runtime.VertxCoreRecorder$14.runWith(VertxCoreRecorder.java:576)
    at org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2513)
    at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1538)
    at org.jboss.threads.DelegatingRunnable.run(DelegatingRunnable.java:29)
    at org.jboss.threads.ThreadLocalResettingRunnable.run(ThreadLocalResettingRunnable.java:29)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.base/java.lang.Thread.run(Thread.java:1623)

Answer 1

当 CredentialRepresentation 的值为 null 时有时可能会发生