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From Stuart Goldberg <sgoldb...@fixflyer.com>
Subject FileNotFoundException with version 4.10.4
Date Tue, 10 Sep 2019 14:34:32 GMT
We have been using version 4.10.4 for quite some time and ran into the
following issue.

Out of the clear blue, one of our clients sees the exception cited below.
We see no prior evidence of anything going awry in our log files. This
literally seems to occur out of nowhere.

Is there any known issue with the version we are using that might explain
this?

Is there any way to recover from such a condition short of deleting the
entire index?

java.lang.RuntimeException: java.io.FileNotFoundException: _27b7u.fnm
        at
org.apache.lucene.index.TieredMergePolicy$SegmentByteSizeDescending.compare(TieredMergePolicy.java:258)
        at
org.apache.lucene.index.TieredMergePolicy$SegmentByteSizeDescending.compare(TieredMergePolicy.java:238)
        at java.util.TimSort.countRunAndMakeAscending(Unknown Source)
        at java.util.TimSort.sort(Unknown Source)
        at java.util.Arrays.sort(Unknown Source)
        at java.util.ArrayList.sort(Unknown Source)
        at java.util.Collections.sort(Unknown Source)
        at
org.apache.lucene.index.TieredMergePolicy.findMerges(TieredMergePolicy.java:292)
        at
org.apache.lucene.index.IndexWriter.updatePendingMerges(IndexWriter.java:2020)
        at
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:1984)
        at
org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:441)
        at
org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:112)

Stuart M Goldberg

Senior Vice President of Software Develpment
*FIX Flyer LLC*
http://www.FIXFlyer.com/ <http://www.fixflyer.com/>

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