Since we updated to WF 17 (from WF 15) we find lots of DEBUGs in our logfiles like this:

2019-07-17 13:55:48,432|DEBUG|                    org.wildfly.security|Unable to create instance

java.security.NoSuchAlgorithmException: ELY00011: Unable to create service for 'HttpServerAuthenticationMechanismFactory.BEARER_TOKEN'

at org.wildfly.security.WildFlyElytronProvider$ProviderService.newInstance(WildFlyElytronProvider.java:342)

at org.wildfly.security.http.util.SecurityProviderServerMechanismFactory.getMechanismNames(SecurityProviderServerMechanismFactory.java:79)

at org.wildfly.security.http.util.SetMechanismInformationMechanismFactory.getMechanismNames(SetMechanismInformationMechanismFactory.java:58)

at org.wildfly.security.http.util.FilterServerMechanismFactory.getMechanismNames(FilterServerMechanismFactory.java:100)

at org.wildfly.security.http.util.SortedServerMechanismFactory.getMechanismNames(SortedServerMechanismFactory.java:50)

at org.wildfly.security.auth.server.HttpAuthenticationFactory.getAllSupportedMechNames(HttpAuthenticationFactory.java:65)

at org.wildfly.security.auth.server.AbstractMechanismAuthenticationFactory.getMechanismNames(AbstractMechanismAuthenticationFactory.java:77)

at org.jboss.as.domain.http.server.ManagementHttpServer.lambda$secureDomainAccess$3(ManagementHttpServer.java:447)

at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.authenticate(HttpAuthenticator.java:253)

at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.access$800(HttpAuthenticator.java:242)

at org.wildfly.security.http.HttpAuthenticator.authenticate(HttpAuthenticator.java:97)

at org.wildfly.elytron.web.undertow.server.SecurityContextImpl.authenticate(SecurityContextImpl.java:96)

at io.undertow.security.handlers.AuthenticationCallHandler.handleRequest(AuthenticationCallHandler.java:50)

at io.undertow.server.Connectors.executeRootHandler(Connectors.java:364)

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:1982)

at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)

at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)

at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.NoSuchMethodException: org.wildfly.security.http.bearer.BearerTokenAuthenticationMechanism.<init>(java.security.Provider)

at java.lang.Class.getConstructor0(Class.java:3082)

at java.lang.Class.getConstructor(Class.java:1825)

at org.wildfly.security.WildFlyElytronProvider$ProviderService.newInstance(WildFlyElytronProvider.java:339)

Can someone give me a hint, what causes this and how we can fix this problem?

Best regards

Markus.