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https://issues.apache.org/jira/browse/LUCENE-3627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless reassigned LUCENE-3627:
------------------------------------------
Assignee: Michael McCandless
> CorruptIndexException on indexing after a failure occurs after segments file
> creation but before any bytes are written
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-3627
> URL: https://issues.apache.org/jira/browse/LUCENE-3627
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 3.5
> Environment: lucene-3.5.0, src download from GA release
> lucene.apache.org.
> Mac OS X 10.6.5, running tests in Eclipse Build id: 20100218-1602,
> java version "1.6.0_24"
> Java(TM) SE Runtime Environment (build 1.6.0_24-b07-334-10M3326)
> Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02-334, mixed mode)
> Reporter: Ken McCracken
> Assignee: Michael McCandless
> Priority: Critical
> Attachments: LUCENE-3627_initial_proposal.txt,
> TestCrashCausesCorruptIndex.java
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> FSDirectory.createOutput(..) uses a RandomAccessFile to do its work. On my
> system the default FSDirectory.open(..) creates an NIOFSDirectory. If
> createOutput is called on a segments_* file and a crash occurs between
> RandomAccessFile creation (file system shows a segments_* file exists but has
> zero bytes) but before any bytes are written to the file, subsequent
> IndexWriters cannot proceed. The difficulty is that it does not know how to
> clear the empty segments_* file. None of the file deletions will happen on
> such a segment file because the opening bytes cannot not be read to determine
> format and version.
> An initial proposed patch file is attached below.
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