Hello Alfonso, I expected that we could use *uuid* updateRequestProcessorChain like below for generating unique value for unique key:
<updateRequestProcessorChain name="uuid"> <processor class="solr.UUIDUpdateProcessorFactory"> <str name="fieldName">uniqueKey</str> </processor> <processor class="solr.RunUpdateProcessorFactory" /> </updateRequestProcessorChain> However, I saw that you used *dedupe* updateRequestProcessorChain as below; <updateRequestProcessorChain name="dedupe" default="true"> <processor class="solr.processor.SignatureUpdateProcessorFactory"> <bool name="enabled">true</bool> ……… I wonder if we can use *UUIDUpdateProcessorFactory* class instead of *SignatureUpdateProcessorFactory* class! -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html