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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-7999) Invalid segment file name
Date Thu, 19 Oct 2017 11:37:00 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-7999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210891#comment-16210891
] 

Uwe Schindler commented on LUCENE-7999:
---------------------------------------

Thanks Mykhailo for reporting this! We will look into it. I think the indexCreatedVersion
must be changed accoring to the branch, we commit this to.

> Invalid segment file name
> -------------------------
>
>                 Key: LUCENE-7999
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7999
>             Project: Lucene - Core
>          Issue Type: Bug
>    Affects Versions: 5.x, 6.x, 7.0
>            Reporter: Mykhailo Demianenko
>            Priority: Minor
>         Attachments: segmentName.patch
>
>
> After really long and intensive index usage its possible to overflow counter that used
to generate new segment name that will not satisfy validation criteria:
> Caused by: java.lang.IllegalArgumentException: invalid codec filename '_-zik0zk_Lucene54_0.dvm',
must match: _[a-z0-9]+(_.*)?\..*
>     at org.apache.lucene.index.SegmentInfo.checkFileNames(SegmentInfo.java:280)
>     at org.apache.lucene.index.SegmentInfo.addFiles(SegmentInfo.java:262)
>     at org.apache.lucene.index.SegmentInfo.setFiles(SegmentInfo.java:256)
>     at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4080)
>     at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3655)
>     at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
>     at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)



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