Hoss Man created LUCENE-8188:
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Summary: OpenNLPOpsFactory leaks filehandles of models
Key: LUCENE-8188
URL: https://issues.apache.org/jira/browse/LUCENE-8188
Project: Lucene - Core
Issue Type: Bug
Reporter: Hoss Man
Attachments: LUCENE-8188.patch
I appears that all methods in {{OpenNLPOpsFactory}} which use a
{{ResourceLoader}} to get an InputStream to use for building a model are not
closing those {{InputStreams}}
This doesn't seem to negatively affect any existing {{lucene/analysis/opennlp}}
tests, because the JVM doesn't know/care that there is a filehandle still open
at the end of the test (is there a way to make the test complain?) but it does
seem to cause a Solr level test failure on windows (SOLR-12046) because the
solr tests create a temp dir where pre-built models are copied for use, and
when the test completes the cleanup attempts to delete those copies of the
files but windows won't let it because they are still open.
presumably if a {{lucene/analysis/opennlp}} test also made a copy of the files
a similar failure would be triggered -- but only on windows
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