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https://issues.apache.org/jira/browse/LUCENE-10088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17411194#comment-17411194
]
Michael McCandless commented on LUCENE-10088:
---------------------------------------------
Hmm, another test, on 8.x branch, is also failing from {{too many open files}}:
{noformat}
[junit4] 2> WARNING: Uncaught exception in thread:
Thread[Thread-29697,5,TGRP-TestIndexWriterThreadsToSegments]
[junit4] 2> java.lang.RuntimeException: java.nio.file.FileSystemException:
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J0/temp/lucene.index.TestIndexWriterThreadsToSegments_FAA2519FF20B50F7-001/tempDir-001/_1kc_Lucene85FieldsIndexfile_pointers_34n.tmp:
Too many open files
[junit4] 2> at
__randomizedtesting.SeedInfo.seed([FAA2519FF20B50F7]:0)
[junit4] 2> at
org.apache.lucene.index.TestIndexWriterThreadsToSegments$2.run(TestIndexWriterThreadsToSegments.java:220)
[junit4] 2> Caused by: java.nio.file.FileSystemException:
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J0/temp/lucene.index.TestIndexWriterThreadsToSegments_FAA2519FF20B50F7-001/tempDir-001/_1kc_Lucene85FieldsIndexfile_pointers_34n.tmp:
Too many open files
[junit4] 2> at
org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
[junit4] 2> at
org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
[junit4] 2> at
org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
[junit4] 2> at
org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
[junit4] 2> at java.nio.file.Files.newOutputStream(Files.java:216)
[junit4] 2> at
org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
[junit4] 2> at
org.apache.lucene.store.FSDirectory.createTempOutput(FSDirectory.java:267)
[junit4] 2> at
org.apache.lucene.store.MockDirectoryWrapper.createTempOutput(MockDirectoryWrapper.java:707)
[junit4] 2> at
org.apache.lucene.store.FilterDirectory.createTempOutput(FilterDirectory.java:79)
[junit4] 2> at
org.apache.lucene.store.TrackingDirectoryWrapper.createTempOutput(TrackingDirectoryWrapper.java:51)
[junit4] 2> at
org.apache.lucene.codecs.compressing.FieldsIndexWriter.<init>(FieldsIndexWriter.java:80)
[junit4] 2> at
org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:129)
[junit4] 2> at
org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:130)
[junit4] 2> at
org.apache.lucene.codecs.lucene87.Lucene87StoredFieldsFormat.fieldsWriter(Lucene87StoredFieldsFormat.java:141)
[junit4] 2> at
org.apache.lucene.codecs.asserting.AssertingStoredFieldsFormat.fieldsWriter(AssertingStoredFieldsFormat.java:48)
[junit4] 2> at
org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:48)
[junit4] 2> at
org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:55)
[junit4] 2> at
org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:452)
[junit4] 2> at
org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:488)
[junit4] 2> at
org.apache.lucene.index.DocumentsWriterPerThread.updateDocuments(DocumentsWriterPerThread.java:208)
[junit4] 2> at
org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:415)
[junit4] 2> at
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1471)
[junit4] 2> at
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1757)
[junit4] 2> at
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1400)
[junit4] 2> at
org.apache.lucene.index.TestIndexWriterThreadsToSegments$2.run(TestIndexWriterThreadsToSegments.java:209)
[junit4] 2> NOTE: reproduce with: ant test
-Dtestcase=TestIndexWriterThreadsToSegments -Dtests.seed=FAA2519FF20B50F7
-Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true
-Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/test-data/enwiki.random.lines.txt
-Dtests.locale=et-EE -Dtests.timezone=Australia/Victoria -Dtests.asserts=true
-Dtests.file.encoding=UTF-8 {noformat}
> Too many open files in
> TestIndexWriterMergePolicy.testStressUpdateSameDocumentWithMergeOnGetReader
> --------------------------------------------------------------------------------------------------
>
> Key: LUCENE-10088
> URL: https://issues.apache.org/jira/browse/LUCENE-10088
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Priority: Major
>
> [This build
> failure|https://ci-builds.apache.org/job/Lucene/job/Lucene-NightlyTests-main/386/]
> reproduces for me. I'll try to dig.
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