CorruptIndexException on indexing after a failure occurs after segments file
creation but before any bytes are written
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Key: LUCENE-3627
URL: https://issues.apache.org/jira/browse/LUCENE-3627
Project: Lucene - Java
Issue Type: Bug
Environment: 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
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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