Have you defined a uniqueKey in your schema? http://wiki.apache.org/solr/SchemaXml#The_Unique_Key_Field
On Wednesday 30 March 2011 13:16:02 Carl-Erik Herheim wrote: > Hi list, > I've got a multi-core solr index that is indexed through solrj. The > problem is that already existing documents don't get overwritten when > they are re-indexed. This means we have to empty the index whenever we > want to update it, which isn't really an option. From what I've been > reading I was under the impression that documents get overwritten by > default, but that doesn't seem to be the case. Is there anything I can > do to force overwriting? > The way we index it now is (to put it simply): > CommonsHttpSolrServer.add(List<SolrInputDocument>) > > Any help appreciated, thanks! > > - Carl-Erik -- Markus Jelsma - CTO - Openindex http://www.linkedin.com/in/markus17 050-8536620 / 06-50258350