Re: Upgrading from 9.1.0. to 9.4.0: Old codecs may only be used for reading Lucene91HnswVectorsFormat.java

I would guess that you are configuring your IndexWriterConfig with a "Lucene91Codec" instance. You need to replace it with a "Lucene94Codec" instance. Le sam. 1 oct. 2022, 06:12, Michael Wechner a écrit : > Hi > > I have just upgraded from 9.1.0 to 9.4.0 and compiling works fine, but > when I ru

Upgrading from 9.1.0. to 9.4.0: Old codecs may only be used for reading Lucene91HnswVectorsFormat.java

Hi I have just upgraded from 9.1.0 to 9.4.0 and compiling works fine, but when I run and re-index my data using KnnVectorField, then I receive the following exception: java.lang.UnsupportedOperationException: Old codecs may only be used for reading     at org.apache.lucene.backward_codecs.l

Re: [ANNOUNCE] Apache Lucene 9.4.0 released

great, thank you very much! Just in time for ApacheCon :-) Am 01.10.22 um 00:09 schrieb Michael Sokolov: The Lucene PMC is pleased to announce the release of Apache Lucene 9.4.0. Apache Lucene is a high-performance, full-featured search engine library written entirely in Java. It is a technolo

[ANNOUNCE] Apache Lucene 9.4.0 released

The Lucene PMC is pleased to announce the release of Apache Lucene 9.4.0. Apache Lucene is a high-performance, full-featured search engine library written entirely in Java. It is a technology suitable for nearly any application that requires structured search, full-text search, faceting, nearest-n