Update to a fix version listed below or a newer version, where additional information is written to the uvserver.log showing the queries sent to the LDAP server and their responses.
In order to enable this trace, please add this category on the log4j.xml on the UVMS:
<category name="com.orsyp.central.ldap" additivity="false"> Then restart the UVMS. The traces should be included in the uvserver.log and will allow you to identify the user causing the errors.
Fix Status: Released
Dollar Universe 6.1.0 - Available