Corrupted segment file not detected and wipes index contents
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Key: LUCENE-3255
URL: https://issues.apache.org/jira/browse/LUCENE-3255
Project: Lucene - Java
Issue Type: Bug
Affects Versions: 3.2, 2.9.4
Reporter: Mark Harwood
Attachments: BadSegmentsFileTest.java
Lucene will happily wipe an existing index if presented with a latest
generation segments_n file of all zeros. File format documentation says
segments_N files should start with a format of -9 but SegmentInfos.read accepts
>=0 as valid for backward compatibility reasons.
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