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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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Ken McCracken updated LUCENE-3627:
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Attachment: LUCENE-3627_initial_proposal.txt
Initial proposed patch. I'm not sure if this is the correct place and scope.
But it does fix my test case.
The test case and the proposed code change are attached.
> 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
> 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.
> I will attempt to attach a Test file demonstrates the issue; place it in your
> src/test/org/apache/lucene/store/
> directory and run the unit tests with JUnit4.
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