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https://issues.apache.org/jira/browse/LUCENE-10521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17526611#comment-17526611
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Dawid Weiss commented on LUCENE-10521:
--------------------------------------
You can use a custom IndexDeletionPolicy - one that never deletes and previous
commit, for example. Then create two (or more) commits and each will have a
different set of files. You can open a reader over any arbitrary commit so this
should be simple and consistent?
> Tests in windows are failing for the new
> testAlwaysRefreshDirectoryTaxonomyReader test
> --------------------------------------------------------------------------------------
>
> Key: LUCENE-10521
> URL: https://issues.apache.org/jira/browse/LUCENE-10521
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/facet
> Environment: Windows 10
> Reporter: Gautam Worah
> Priority: Minor
>
> Build: [https://jenkins.thetaphi.de/job/Lucene-main-Windows/10725/] is
> failing.
>
> Specifically, the loop which checks if any files still remain to be deleted
> is not ending.
> We have added an exception to the main test class to not run the test on
> WindowsFS (not sure if this is related).
>
> ```
> SEVERE: 1 thread leaked from SUITE scope at
> org.apache.lucene.facet.taxonomy.directory.TestAlwaysRefreshDirectoryTaxonomyReader:
> 1) Thread[id=19,
> name=TEST-TestAlwaysRefreshDirectoryTaxonomyReader.testAlwaysRefreshDirectoryTaxonomyReader-seed#[F46E42CB7F2B6959],
> state=RUNNABLE, group=TGRP-TestAlwaysRefreshDirectoryTaxonomyReader] at
> java.base@18/sun.nio.fs.WindowsNativeDispatcher.GetFileAttributesEx0(Native
> Method) at
> java.base@18/sun.nio.fs.WindowsNativeDispatcher.GetFileAttributesEx(WindowsNativeDispatcher.java:390)
> at
> java.base@18/sun.nio.fs.WindowsFileAttributes.get(WindowsFileAttributes.java:307)
> at
> java.base@18/sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:251)
> at
> java.base@18/sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:105)
> at
> app/[email protected]/org.apache.lucene.tests.mockfile.FilterFileSystemProvider.delete(FilterFileSystemProvider.java:130)
> at
> app/[email protected]/org.apache.lucene.tests.mockfile.FilterFileSystemProvider.delete(FilterFileSystemProvider.java:130)
> at
> app/[email protected]/org.apache.lucene.tests.mockfile.FilterFileSystemProvider.delete(FilterFileSystemProvider.java:130)
> at
> app/[email protected]/org.apache.lucene.tests.mockfile.FilterFileSystemProvider.delete(FilterFileSystemProvider.java:130)
> at
> app/[email protected]/org.apache.lucene.tests.mockfile.FilterFileSystemProvider.delete(FilterFileSystemProvider.java:130)
> at java.base@18/java.nio.file.Files.delete(Files.java:1152) at
> app/[email protected]/org.apache.lucene.store.FSDirectory.privateDeleteFile(FSDirectory.java:344)
> at
> app/[email protected]/org.apache.lucene.store.FSDirectory.deletePendingFiles(FSDirectory.java:325)
> at
> app/[email protected]/org.apache.lucene.store.FSDirectory.getPendingDeletions(FSDirectory.java:410)
> at
> app/[email protected]/org.apache.lucene.store.FilterDirectory.getPendingDeletions(FilterDirectory.java:121)
> at
> app//org.apache.lucene.facet.taxonomy.directory.TestAlwaysRefreshDirectoryTaxonomyReader.testAlwaysRefreshDirectoryTaxonomyReader(TestAlwaysRefreshDirectoryTaxonomyReader.java:97)
> ```
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