[LUCENE-7999] Invalid segment file name

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 7.0
• Fix Version/s: 7.2, 8.0
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Mykhailo Demianenko
• Created: 19/Oct/17 10:14
• Updated: 28/Aug/22 15:20
• Resolved: 24/Oct/17 17:16

Description

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)