NIFI 1.9 : Unable to validate the supplied credentials.

[#1]

2020-11-03 19:35:27,605 ERROR [NiFi Web Server-17] o.a.n.w.a.c.AdministrationExceptionMapper org.apache.nifi.admin.service.AdministrationException: Unable to validate the supplied credentials. Please contact the system administrator.. Returning Internal Server Error response.
org.apache.nifi.admin.service.AdministrationException: Unable to validate the supplied credentials. Please contact the system administrator.
at org.apache.nifi.web.api.AccessResource.createAccessToken(AccessResource.java:736)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:200)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703)
at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
at org.apache.nifi.web.filter.RequestLogger.doFilter(RequestLogger.java:66)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:208)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
at org.apache.nifi.web.filter.TimerFilter.doFilter(TimerFilter.java:51)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
at org.apache.nifi.web.filter.ExceptionFilter.doFilter(ExceptionFilter.java:46)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634)
at org.apache.nifi.web.security.headers.StrictTransportSecurityFilter.doFilter(StrictTransportSecurityFilter.java:48)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
at org.apache.nifi.web.security.headers.XSSProtectionFilter.doFilter(XSSProtectionFilter.java:48)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
at org.apache.nifi.web.security.headers.ContentSecurityPolicyFilter.doFilter(ContentSecurityPolicyFilter.java:47)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
at org.apache.nifi.web.security.headers.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:48)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:724)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)
at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:61)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.Server.handle(Server.java:531)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:291)
at org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:151)
at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.nifi.authentication.exception.IdentityAccessException: Unable to validate the supplied credentials. Please contact the system administrator.
at org.apache.nifi.ldap.LdapProvider.authenticate(LdapProvider.java:340)
at org.apache.nifi.web.security.spring.LoginIdentityProviderFactoryBean$1.authenticate(LoginIdentityProviderFactoryBean.java:315)
at org.apache.nifi.web.api.AccessResource.createAccessToken(AccessResource.java:728)
... 83 common frames omitted
Caused by: org.springframework.security.authentication.InternalAuthenticationServiceException: Failed to negotiate TLS session; nested exception is javax.net.ssl.SSLPeerUnverifiedException: hostname of the server '' does not match the hostname in the server's certificate.
at org.springframework.security.ldap.authentication.LdapAuthenticationProvider.doAuthentication(LdapAuthenticationProvider.java:206)
at org.springframework.security.ldap.authentication.AbstractLdapAuthenticationProvider.authenticate(AbstractLdapAuthenticationProvider.java:85)
at org.apache.nifi.ldap.LdapProvider.authenticate(LdapProvider.java:310)
... 85 common frames omitted
Caused by: org.springframework.ldap.UncategorizedLdapException: Failed to negotiate TLS session; nested exception is javax.net.ssl.SSLPeerUnverifiedException: hostname of the server '' does not match the hostname in the server's certificate.
at org.springframework.ldap.core.support.AbstractTlsDirContextAuthenticationStrategy.processContextAfterCreation(AbstractTlsDirContextAuthenticationStrategy.java:153)
at org.springframework.ldap.core.support.AbstractContextSource.doGetContext(AbstractContextSource.java:142)
at org.springframework.ldap.core.support.AbstractContextSource.getReadOnlyContext(AbstractContextSource.java:158)
at org.springframework.ldap.core.LdapTemplate.executeReadOnly(LdapTemplate.java:802)
at org.springframework.security.ldap.SpringSecurityLdapTemplate.searchForSingleEntry(SpringSecurityLdapTemplate.java:316)
at org.springframework.security.ldap.search.FilterBasedLdapUserSearch.searchForUser(FilterBasedLdapUserSearch.java:127)
at org.springframework.security.ldap.authentication.BindAuthenticator.authenticate(BindAuthenticator.java:95)
at org.springframework.security.ldap.authentication.LdapAuthenticationProvider.doAuthentication(LdapAuthenticationProvider.java:187)
... 87 common frames omitted
Caused by: javax.net.ssl.SSLPeerUnverifiedException: hostname of the server '' does not match the hostname in the server's certificate.
at com.sun.jndi.ldap.ext.StartTlsResponseImpl.verify(StartTlsResponseImpl.java:447)
at com.sun.jndi.ldap.ext.StartTlsResponseImpl.negotiate(StartTlsResponseImpl.java:225)
at org.springframework.ldap.core.support.AbstractTlsDirContextAuthenticationStrategy.processContextAfterCreation(AbstractTlsDirContextAuthenticationStrategy.java:136)
... 94 common frames omitted
Caused by: java.security.cert.CertificateException: Illegal given domain name:
at sun.security.util.HostnameChecker.matchDNS(HostnameChecker.java:207)
at sun.security.util.HostnameChecker.match(HostnameChecker.java:102)
at sun.security.util.HostnameChecker.match(HostnameChecker.java:108)
at com.sun.jndi.ldap.ext.StartTlsResponseImpl.verify(StartTlsResponseImpl.java:426)
... 96 common frames omitted
Caused by: java.lang.IllegalArgumentException: Server name value of host_name cannot be empty
at javax.net.ssl.SNIHostName.checkHostName(SNIHostName.java:314)
at javax.net.ssl.SNIHostName.<init>(SNIHostName.java:108)
at sun.security.util.HostnameChecker.matchDNS(HostnameChecker.java:205)
... 99 common frames omitted

@TimothySpann @MattWho  please advice

im able to login using the initial admin identity user cert.

whereas users from AD getting this error.

[#2]

Hi @DivyaKaki , This seems to be a duplicate of this post. Please use the other post for further queries.