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https://issues.apache.org/jira/browse/LUCENE-7662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15858752#comment-15858752
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Michael McCandless commented on LUCENE-7662:
--------------------------------------------
Thanks [~mdrob], the new patch looks great, and +1 to do that test cleanup
here. I'll push soon!
> Index with missing files should throw CorruptIndexException
> -----------------------------------------------------------
>
> Key: LUCENE-7662
> URL: https://issues.apache.org/jira/browse/LUCENE-7662
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Affects Versions: 6.4
> Reporter: Mike Drob
> Attachments: LUCENE-7662.patch, LUCENE-7662.patch
>
>
> Similar to what we did in LUCENE-7592 for EOF, we should catch missing files
> and rethrow those as CorruptIndexException.
> If a particular codec can handle missing files, it should be proactive check
> for those optional files and not throw anything, so I think we can safely do
> this at SegmentReader or SegmentCoreReaders level.
> Stack trace copied from SOLR-10006:
> {noformat}
> Caused by: java.nio.file.NoSuchFileException:
> /Users/Erick/apache/solrVersions/trunk/solr/example/cloud/node3/solr/eoe_shard1_replica1/data/index/_1_Lucene50_0.doc
> at
> sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
> at
> sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:177)
> at java.nio.channels.FileChannel.open(FileChannel.java:287)
> at java.nio.channels.FileChannel.open(FileChannel.java:335)
> at
> org.apache.lucene.store.MMapDirectory.openInput(MMapDirectory.java:238)
> at
> org.apache.lucene.store.NRTCachingDirectory.openInput(NRTCachingDirectory.java:192)
> at
> org.apache.solr.core.MetricsDirectoryFactory$MetricsDirectory.openInput(MetricsDirectoryFactory.java:334)
> at
> org.apache.lucene.codecs.lucene50.Lucene50PostingsReader.<init>(Lucene50PostingsReader.java:81)
> at
> org.apache.lucene.codecs.lucene50.Lucene50PostingsFormat.fieldsProducer(Lucene50PostingsFormat.java:442)
> at
> org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsReader.<init>(PerFieldPostingsFormat.java:292)
> at
> org.apache.lucene.codecs.perfield.PerFieldPostingsFormat.fieldsProducer(PerFieldPostingsFormat.java:372)
> at
> org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
> at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:74)
> at
> org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:143)
> at
> org.apache.lucene.index.ReadersAndUpdates.getReadOnlyClone(ReadersAndUpdates.java:195)
> at
> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:103)
> at org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:473)
> at
> org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:103)
> at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:79)
> at
> org.apache.solr.core.StandardIndexReaderFactory.newReader(StandardIndexReaderFactory.java:39)
> at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1958)
> ... 12 more
> {noformat}
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