Hi Adrien Thank you very much for your help!
That was it :-) I completely forgot that I set this somewhere hidden inside my code. I made a note in the pom file, such that I should not forget again during the next upgrade :-)
Or what is the best practice re setting / handling the codec? Thanks Michael Am 01.10.22 um 08:06 schrieb Adrien Grand:
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 <michael.wech...@wyona.com> a écrit :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.lucene91.Lucene91HnswVectorsFormat.fieldsWriter(Lucene91HnswVectorsFormat.java:131) ~[lucene-backward-codecs-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.codecs.perfield.PerFieldKnnVectorsFormat$FieldsWriter.getInstance(PerFieldKnnVectorsFormat.java:161) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.codecs.perfield.PerFieldKnnVectorsFormat$FieldsWriter.addField(PerFieldKnnVectorsFormat.java:105) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.VectorValuesConsumer.addField(VectorValuesConsumer.java:70) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.IndexingChain.initializeFieldInfo(IndexingChain.java:665) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.IndexingChain.processDocument(IndexingChain.java:556) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.DocumentsWriterPerThread.updateDocuments(DocumentsWriterPerThread.java:241) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:432) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1533) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1818) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1471) ~[lucene-core-9.4.0.jar:9.4.0 d2e22e18c6c92b6a6ba0bbc26d78b5e82832f956 - sokolovm - 2022-09-30 14:55:13] Any idea what I might be doing wrong? Thanks Michael --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
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