Actually, I didn't technically "upgrade". I downloaded the new version, grabbed the example, and pasted in the fields from my schema into the new one. So the only two files I changed from the example are schema.xml and solr.xml.
Then I reindexed everything from scratch so there was no old index involved, either. On Wed, Sep 5, 2012 at 2:42 PM, Chris Hostetter <hossman_luc...@fucit.org> wrote: > > : That was exactly it. I added the following line to schema.xml and it now > works. > : > : <field name="_version_" type="long" indexed="true" stored="true"/> > > Just to be clear: how exactly did you "upgraded to solr 4.0 from solr 3.5" > -- did you throw out your old solrconfig.xml and use the example > solrconfig.xml from 4.0, but keep your 3.5 schema.xml? Do you in fact > have an <updateLog ... /> in your solrconfig.xml? > > (if so: then this is all known as part of SOLR-3432, and won't affect any > users of 4.0-final -- but i want to be absolutely sure there isn't some > other edge case of this bug) > > > -Hoss
