You did a reload and not a reindex? Probably the best is to delete the collection fully, create it new and index then .
> Am 27.02.2020 um 14:02 schrieb Pavel Polivka <ppoli...@idc.com>: > > Hello, > > I am doing upgrade of SolrCloud cluster from 6.5.0 to 8.4.1. > > My process is: > > Upgrade to 7.7.2. > Reconfigure my solrconfig to have > <luceneMatchVersion>7.7.2</luceneMatchVersion>, reload collections. > Delete all docs in all collections and index them again. > > Upgrade to 8.4.1. > This step always fails for me with message in logs saying that the index > format is probably created by 6.x version. > My thinking is that the reindex I do in 7.7.2 is not enough. > > Is there a way to check in what format my index is? > > Any ideas if I am doing anything wrong? > > > Thanks. > > > Pavel Polivka
