SevenCss commented on issue #7820:
URL: https://github.com/apache/lucene/issues/7820#issuecomment-1683471448
Hi , @asfimport
Recently, i encountered one similar issue that there are two segments files
in my index ( I'm using Lucene 8.10 version ) :
- segments_a7
- segments_a8
while segments_a7 refer to the already deleted file `_be.si`. It seems that
"segments_a7" was left behind and not deleted successfully. (We use the
KeepOnlyLastCommitDeletionPolicy ).
When i tried to exam the index with CheckIndex, it could not detect the
error and could not fix the problem, either.
So, i would like to ask for some help here. Here are some questions
- Are you going to fix this open issue recently?
- Besides, could you please provide some idea why segments_a7 is left
behind if you happen to have some experience?
- Is there any solution we could do, except manually delete the corrupted
segments file?
Below is the callstack:
```
at
org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:293)
at
org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:165)
at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1089)
...
Caused by: java.nio.file.NoSuchFileException:
Z:\BIN\x64\SearchData2\index\9d8a49d54e04e0be62c877acc18a5a0a\DossierContent\_be.si
at
java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85)
at
java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
at
java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)
at
java.base/sun.nio.fs.WindowsFileSystemProvider.newFileChannel(WindowsFileSystemProvider.java:120)
at java.base/java.nio.channels.FileChannel.open(FileChannel.java:292)
at java.base/java.nio.channels.FileChannel.open(FileChannel.java:345)
at
org.apache.lucene.store.MMapDirectory.openInput(MMapDirectory.java:238)
at
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
at
org.apache.lucene.codecs.lucene86.Lucene86SegmentInfoFormat.read(Lucene86SegmentInfoFormat.java:91)
at
org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:357)
at
org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:291)
... 4 more
Suppressed: org.apache.lucene.index.CorruptIndexException: checksum
passed (55e61d41). possibly transient resource issue, or a Lucene or JVM bug
(resource=BufferedChecksumIndexInput(MMapIndexInput(path="Z:\BIN\x64\SearchData2\index\9d8a49d54e04e0be62c877acc18a5a0a\DossierContent\segments_a7")))
```
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