Users using LDAP Plugin can get an error "unable to bind connection: ERR_04202 A value is missing on some RDN". Please refer sample logs given below:
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12:06:11.014 ERROR [pool-6-thread-1] o.a.d.l.c.a.DefaultLdapConnectionFactory - unable to bind connection: ERR_04202 A value is missing on some RDN
12:06:11.014 ERROR [pool-6-thread-1] c.t.b.s.l.r.LDAPConnectionResource - Create connection failed: ERR_04202 A value is missing on some RDN
12:06:11.014 ERROR [pool-6-thread-1] c.t.b.s.l.r.LDAPConnectionResource - Reconnect failed on attempt 3, and all the retries are failed
12:06:11.033 ERROR [bwEngThread:In-Memory Process Worker-2] com.tibco.bw.core - 
<Data>
<ns0:LDAPException xmlns:ns0="http://schemas.tibco.com/bw/plugins/ldap/7.1/ldapExceptions">
    <msg>The connection is invalid.-{ActivityName=SearchEntry, ProcessName=test.module.Process, ModuleName=test.module}</msg>
    <msgCode>501000</msgCode>
</ns0:LDAPException>
</Data>
TIBCO-BW-CORE-500050: The BW process [test.module.Process] instance faulted, JobId [bw0a100], ProcessInstanceId [bw0a100], ParentProcessInstanceId [-], Module [test.module:1.0.0.qualifier], Application [test:1.0].  
   <CausedBy> TIBCO-BW-CORE-500051: Activity [SearchEntry] fault.  
   <CausedBy> com.tibco.bw.palette.ldap.runtime.exception.LDAPExceptionFault: The connection is invalid.-{ActivityName=SearchEntry, ProcessName=test.module.Process, ModuleName=test.module}
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This error is due to the use of uid as a username in Identity Provider while configuring the LDAP connection in LDAP Plugin. LDAP Plugin Activities which are using such connection will fail with above error.