I tried to integrate searchguard with LDAP .I got following error and warnigs.What does it means and how to resolve it.
[2017-06-28T07:15:50,369][ERROR][c.f.s.a.BackendRegistry ] Unexpected exception com.google.common.util.concurrent.UncheckedExecutionException: ElasticsearchSecurityException[XXX not found]
[2017-06-28T07:15:50,369][INFO ][c.f.s.a.BackendRegistry ] Cannot authenticate user (or add roles) with ad 4 due to ElasticsearchSecurityException[com.google.common.util.concurrent.UncheckedExecutionException: ElasticsearchSecurityException[XXX not found]]; nested: UncheckedExecutionException[ElasticsearchSecurityException[XXX not found]]; nested: ElasticsearchSecurityException[XXX not found];, try next
[2017-06-28T07:15:50,374][WARN ][c.f.d.a.l.b.LDAPAuthorizationBackend] Unable to connect to ldapserver hostname:389 due to [org.ldaptive.provider.ConnectionException@602013923::resultCode=PROTOCOL_ERROR, matchedDn=null, responseControls=null, referralURLs=null, messageId=-1, message=javax.naming.CommunicationException: XXXX:389 [Root exception is javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake], providerException=javax.naming.CommunicationException: XXX:389 [Root exception is javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake]]. Try next.