It’s the _schema_ that’s not mutable. Which implies you have field guessing turned _off_
I’d take a look at the solr log, the error might be more informative. But at a guess, you need to define the fields you’re importing, namely id, name, surname, gender, eyeColor and hairColor in your schema. > On May 20, 2020, at 1:46 PM, Vincenzo D'Amore <v.dam...@gmail.com> wrote: > > Hi all, > > I'm trying to import a csv file in solr > > id,name,surname,gender,eyeColor,hairColor > 1,pippo,pluto,male,brown,brown > > I'm using this command > > curl ' > http://localhost:8983/solr/videoid/update?commit=true&header=true&fieldnames=id,name,surname,gender,eyeColor,hairColor&separator=,' > -H "Content-Type: application/csv" --data-binary @test.csv > > But receiving the following error: > > { > "responseHeader":{ > "status":400, > "QTime":32}, > "error":{ > "metadata":[ > "error-class","org.apache.solr.common.SolrException", > "root-error-class","org.apache.solr.common.SolrException"], > "msg":"This IndexSchema is not mutable.", > "code":400}} > > Do you know why the Solr index should be mutable? > > > > -- > Vincenzo D'Amore