<div dir="ltr"><div>Hi team,</div><div><br></div><div>I am implementing own user federation. </div><div><br></div><div><br></div><div>As part of this implementing my class is UserFederationProvider.</div><div><br></div><div>1. In method <span class="" style="white-space:pre">        </span>public UserModel getUserByUsername(RealmModel realm, String username) {</div><div><br></div><div>//Own code which authenticates the user in DB</div><div><br></div><div>Returning  user model </div><div><br></div><div><span class="" style="white-space:pre">        </span>UserModel userModel = session.userStorage().addUser(realm, username);</div><div><span class="" style="white-space:pre">                </span>userModel.setEnabled(true);</div><div>        userModel.setFederationLink(model.getId());</div><div>    <span class="" style="white-space:pre">        </span>return userModel</div><div>}</div><div><br></div><div><br></div><div>2. Below exception is generated after UserModel in returned.</div><div><br></div><div>Please let me know if i missed anything.</div><div><br></div><div>============================================================================</div><div><br></div><div><br></div><div>11:22:01,438 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (default task-10) SQL Error: 50200, SQLState: HYT00</div><div>11:22:01,439 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (default task-10) Timeout trying to lock table &quot;USER_ENTITY&quot;; SQL statement:</div><div>select userentity0_.ID as ID1_47_, userentity0_.CREATED_TIMESTAMP as CREATED_2_47_, userentity0_.EMAIL as EMAIL3_47_, userentity0_.EMAIL_CONSTRAINT as EMAIL_CO4_47_, userentity0_.EMAIL_VERIFIED as EMAIL_VE5_47_, userentity0_.ENABLED as ENABLED6_47_, userentity0_.federation_link as federati7_47_, userentity0_.FIRST_NAME as FIRST_NA8_47_, userentity0_.LAST_NAME as LAST_NAM9_47_, userentity0_.REALM_ID as REALM_I10_47_, userentity0_.SERVICE_ACCOUNT_CLIENT_LINK as SERVICE11_47_, userentity0_.TOTP as TOTP12_47_, userentity0_.USERNAME as USERNAM13_47_ from USER_ENTITY userentity0_ where userentity0_.ID=? and userentity0_.REALM_ID=? [50200-173]</div><div>11:22:01,442 ERROR [org.keycloak.authentication.AuthenticationProcessor] (default task-10) failed authentication: javax.persistence.PessimisticLockException: could not extract ResultSet</div><div>        at org.hibernate.jpa.spi.AbstractEntityManagerImpl.wrapLockException(AbstractEntityManagerImpl.java:1831)</div><div>        at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1720)</div><div>        at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1677)</div><div>        at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:458)</div><div>        at org.keycloak.models.jpa.JpaUserProvider.getUserById(JpaUserProvider.java:228)</div><div>        at org.keycloak.models.cache.DefaultCacheUserProvider.getUserById(DefaultCacheUserProvider.java:132)</div><div>        at org.keycloak.models.UserFederationManager.deleteInvalidUser(UserFederationManager.java:111)</div><div>        at org.keycloak.models.UserFederationManager.validateAndProxyUser(UserFederationManager.java:134)</div><div>        at org.keycloak.models.UserFederationManager.getUserById(UserFederationManager.java:162)</div><div>        at org.keycloak.models.sessions.mem.ClientSessionAdapter.getAuthenticatedUser(ClientSessionAdapter.java:192)</div><div>        at org.keycloak.authentication.AuthenticationProcessor$Result.getUser(AuthenticationProcessor.java:301)</div><div>        at org.keycloak.authentication.authenticators.browser.AbstractFormAuthenticator.validatePassword(AbstractFormAuthenticator.java:176)</div><div>        at org.keycloak.authentication.authenticators.browser.UsernamePasswordForm.validateForm(UsernamePasswordForm.java:46)</div><div>        at org.keycloak.authentication.authenticators.browser.UsernamePasswordForm.action(UsernamePasswordForm.java:39)</div><div>        at org.keycloak.authentication.DefaultAuthenticationFlow.processAction(DefaultAuthenticationFlow.java:59)</div><div>        at org.keycloak.authentication.DefaultAuthenticationFlow.processAction(DefaultAuthenticationFlow.java:54)</div><div>        at org.keycloak.authentication.AuthenticationProcessor.authenticationAction(AuthenticationProcessor.java:533)</div><div>        at org.keycloak.services.resources.LoginActionsService.processFlow(LoginActionsService.java:306)</div><div>        at org.keycloak.services.resources.LoginActionsService.processAuthentication(LoginActionsService.java:287)</div><div>        at org.keycloak.services.resources.LoginActionsService.authenticateForm(LoginActionsService.java:333)</div><div>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</div><div>        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)</div><div>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)</div><div>        at java.lang.reflect.Method.invoke(Method.java:497)</div><div>        at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)</div><div>        at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)</div><div>        at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)</div><div>        at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:140)</div><div>        at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:103)</div><div>        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)</div><div>        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)</div><div>        at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)</div><div>        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)</div><div>        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)</div><div>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)</div><div>        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86)</div><div>        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)</div><div>        at org.keycloak.services.filters.KeycloakSessionServletFilter.doFilter(KeycloakSessionServletFilter.java:59)</div><div>        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)</div><div>        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)</div><div>        at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)</div><div>        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)</div><div>        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)</div><div>        at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)</div><div>        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)</div><div>        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)</div><div>        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)</div><div>        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)</div><div>        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)</div><div>        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)</div><div>        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)</div><div>        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)</div><div>        at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)</div><div>        at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)</div><div>        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)</div><div>        at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)</div><div>        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)</div><div>        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)</div><div>        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:282)</div><div>        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:261)</div><div>        at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:80)</div><div>        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:172)</div><div>        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:199)</div><div>        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:774)</div><div>        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)</div><div>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)</div><div>        at java.lang.Thread.run(Thread.java:745)</div><div>Caused by: org.hibernate.PessimisticLockException: could not extract ResultSet</div><div>        at org.hibernate.dialect.H2Dialect$2.convert(H2Dialect.java:342)</div><div>        at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49)</div><div>        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126)</div><div>        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112)</div><div>        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:91)</div><div>        at org.hibernate.loader.Loader.getResultSet(Loader.java:2066)</div><div>        at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1863)</div><div>        at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1839)</div><div>        at org.hibernate.loader.Loader.doQuery(Loader.java:910)</div><div>        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:355)</div><div>        at org.hibernate.loader.Loader.doList(Loader.java:2554)</div><div>        at org.hibernate.loader.Loader.doList(Loader.java:2540)</div><div>        at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2370)</div><div>        at org.hibernate.loader.Loader.list(Loader.java:2365)</div><div>        at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:497)</div><div>        at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:387)</div><div>        at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:236)</div><div>        at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1300)</div><div>        at org.hibernate.internal.QueryImpl.list(QueryImpl.java:103)</div><div>        at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:573)</div><div>        at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:449)</div><div>        ... 63 more</div><div>Caused by: org.h2.jdbc.JdbcSQLException: Timeout trying to lock table &quot;USER_ENTITY&quot;; SQL statement:</div><div>select userentity0_.ID as ID1_47_, userentity0_.CREATED_TIMESTAMP as CREATED_2_47_, userentity0_.EMAIL as EMAIL3_47_, userentity0_.EMAIL_CONSTRAINT as EMAIL_CO4_47_, userentity0_.EMAIL_VERIFIED as EMAIL_VE5_47_, userentity0_.ENABLED as ENABLED6_47_, userentity0_.federation_link as federati7_47_, userentity0_.FIRST_NAME as FIRST_NA8_47_, userentity0_.LAST_NAME as LAST_NAM9_47_, userentity0_.REALM_ID as REALM_I10_47_, userentity0_.SERVICE_ACCOUNT_CLIENT_LINK as SERVICE11_47_, userentity0_.TOTP as TOTP12_47_, userentity0_.USERNAME as USERNAM13_47_ from USER_ENTITY userentity0_ where userentity0_.ID=? and userentity0_.REALM_ID=? [50200-173]</div><div>        at org.h2.message.DbException.getJdbcSQLException(DbException.java:331)</div><div>        at org.h2.message.DbException.get(DbException.java:171)</div><div>        at org.h2.message.DbException.get(DbException.java:148)</div><div>        at org.h2.table.RegularTable.doLock(RegularTable.java:521)</div><div>        at org.h2.table.RegularTable.lock(RegularTable.java:455)</div><div>        at org.h2.table.TableFilter.lock(TableFilter.java:145)</div><div>        at org.h2.command.dml.Select.queryWithoutCache(Select.java:611)</div><div>        at org.h2.command.dml.Query.query(Query.java:314)</div><div>        at org.h2.command.dml.Query.query(Query.java:284)</div><div>        at org.h2.command.dml.Query.query(Query.java:36)</div><div>        at org.h2.command.CommandContainer.query(CommandContainer.java:91)</div><div>        at org.h2.command.Command.executeQuery(Command.java:195)</div><div>        at org.h2.jdbc.JdbcPreparedStatement.executeQuery(JdbcPreparedStatement.java:106)</div><div>        at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:462)</div><div>        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:82)</div><div>        ... 79 more</div><div><span class="" style="white-space:pre">                </span>==========================================================================================</div><div><br></div></div>