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Posted to issues@opennlp.apache.org by "Richard Zowalla (Jira)" <ji...@apache.org> on 2026/09/17 18:16:00 UTC

[jira] [Updated] (OPENNLP-1961) Remove the JWNL add-on

     [ https://issues.apache.org/jira/browse/OPENNLP-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Zowalla updated OPENNLP-1961:
-------------------------------------
    Fix Version/s: 3.0.0

> Remove the JWNL add-on
> ----------------------
>
>                 Key: OPENNLP-1961
>                 URL: https://issues.apache.org/jira/browse/OPENNLP-1961
>             Project: OpenNLP
>          Issue Type: Task
>          Components: Lemmatizer
>            Reporter: Richard Zowalla
>            Assignee: Richard Zowalla
>            Priority: Minor
>             Fix For: 3.0.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Remove the {{jwnl}} module and its extJWNL and WordNet 3.1 data dependencies from opennlp-addons. It holds a single WordNet-based English lemmatizer.
> *Replacement:* {{LemmatizerME}} with the {{opennlp-models-lemmatizer-en}} UD model, or {{DictionaryLemmatizer}}. Both are also usable through {{LemmatizerAnnotator}} in the document pipeline. The removed lemmatizer only understands Penn Treebank tags: with our UD models it looks up {{ADJ}} as an adverb, and {{lemmatize(List, List)}} throws {{UnsupportedOperationException}}.



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