GUACAMOLE-394: No need to explicitly set ID - it's automatically pulled from the username.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledUserContext.java

@@ -132,7 +132,6 @@ public class ModeledUserContext extends RestrictedObject
 
         // Create login record for user
         userRecord = new ActivityRecordModel();
-        userRecord.setUserID(currentUser.getUser().getModel().getObjectID());
         userRecord.setUsername(currentUser.getIdentifier());
         userRecord.setStartDate(new Date());
         userRecord.setRemoteHost(currentUser.getCredentials().getRemoteHostname());