Hi!

I'm trying to set my LDAP authentication, I've already followed what the 
documentation says here: 
https://wiki.lyrasis.org/display/DSDOC7x/Authentication+Plugins#AuthenticationPlugins-LDAPAuthentication
But, now when I try to log in with my institutional user, Dspace throws 
this error:


2021-08-24 09:29:15,622 INFO org.dspace.authenticate.LDAPAuthentication @ 
anonymous::auth:attempting trivial auth of user=juanfelipe.lopezf 
2021-08-24 09:29:15,626 WARN org.dspace.authenticate.LDAPAuthentication @ 
anonymous::ldap_authentication:type=failed_auth 
javax.naming.AuthenticationException\colon; [LDAP\colon; error code 49 - 
80090308\colon; LdapErr\colon; DSID-0C090439, comment\colon; 
AcceptSecurityContext error, data 52e, v4563] 2021-08-24 09:29:15,626 INFO 
org.dspace.authenticate.LDAPAuthentication @ anonymous::failed_login:no DN 
found for user juanfelipe.lopezf 2021-08-24 09:29:15,626 INFO 
org.dspace.authenticate.PasswordAuthentication @ 
anonymous::authenticate:attempting password auth of user=juanfelipe.lopezf 
2021-08-24 09:29:15,627 INFO 
org.dspace.app.rest.security.EPersonRestAuthenticationProvider @ 
anonymous::failed_login:email=juanfelipe.lopezf, result=2 2021-08-24 
09:29:15,627 ERROR org.dspace.app.rest.security.StatelessLoginFilter @ 
Authentication failed (status:401) 
org.springframework.security.authentication.BadCredentialsException: Login 
failed at 
org.dspace.app.rest.security.EPersonRestAuthenticationProvider.authenticateNewLogin(EPersonRestAuthenticationProvider.java:108)
 
~[classes/:7.0-beta5] at 
org.dspace.app.rest.security.EPersonRestAuthenticationProvider.authenticate(EPersonRestAuthenticationProvider.java:71)
 
~[classes/:7.0-beta5] at 
org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:175)
 
~[spring-security-core-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.dspace.app.rest.security.StatelessLoginFilter.attemptAuthentication(StatelessLoginFilter.java:56)
 
[classes/:7.0-beta5] at 
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:212)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.dspace.app.rest.security.StatelessAuthenticationFilter.doFilterInternal(StatelessAuthenticationFilter.java:101)
 
[classes/:7.0-beta5] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:141)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:92) 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:92)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:77)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
 
[spring-security-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at 
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
 
[catalina.jar:9.0.45] at 
org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
 
[catalina.jar:9.0.45] at 
org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:128)
 
[spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] at 
org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:66)
 
[spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] at 
org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:103)
 
[spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:121)
 
[spring-boot-2.2.6.RELEASE.jar:2.2.6.RELEASE] at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
 
[catalina.jar:9.0.45] at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
 
[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
 
[catalina.jar:9.0.45] at 
org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
 
[log4j-web-2.13.3.jar:2.13.3] at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) 
[catalina.jar:9.0.45] at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) 
[catalina.jar:9.0.45] at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
 
[catalina.jar:9.0.45] at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) 
[catalina.jar:9.0.45] at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) 
[tomcat-coyote.jar:9.0.45] at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
 
[tomcat-coyote.jar:9.0.45] at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893)
 
[tomcat-coyote.jar:9.0.45] at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707)
 
[tomcat-coyote.jar:9.0.45] at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
[tomcat-coyote.jar:9.0.45] at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) 
[?:?] at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) 
[?:?] at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 
[tomcat-util.jar:9.0.45] at java.lang.Thread.run(Thread.java:829) [?:?]

In my browser console I got a HTTP ERROR 401 when I try to login with my 
LDAP credentials.

To produce this error all I did was:

   1. Configure LDAP in DSPACE 7.
   2. Try To login with an user registered in your LDAP.

Hope you guys can guide me through a solution... I asked in the 
"tech-support" slack channel and github, but didn't get a response.

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