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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3422) IndeIndexWriter.optimize() throws FileNotFoundException and IOException
Date Thu, 08 Sep 2011 14:49:09 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100363#comment-13100363
] 

Michael McCandless commented on LUCENE-3422:
--------------------------------------------

Are you using NoLockFactory in your Directory?  Is this all on a local filesystem?

Can you turn on IndexWriter's infoStream and post the resulting output?

Can you try with Lucene 3.0.3 (just in case you're hitting an already fixed bug)?

> IndeIndexWriter.optimize() throws FileNotFoundException and IOException
> -----------------------------------------------------------------------
>
>                 Key: LUCENE-3422
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3422
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Elizabeth Nisha
>
> I am using lucene 3.0.2 search APIs for my application. 
> Indexed data is about 350MB and time taken for indexing is 25 hrs. Search indexing and
Optimization runs in two different threads. Optimization runs for every 1 hour and it doesn't
run while indexing is going on and vice versa. When optimization is going on using IndexWriter.optimize(),
FileNotFoundException and IOException are seen in my log and the index file is getting corrupted,
log says
> 1. java.io.IOException: No sub-file with id _5r8.fdt found 
> [The file name in this message changes over time (_5r8.fdt, _6fa.fdt, _6uh.fdt, ...,
_emv.fdt) ]
> 2. java.io.FileNotFoundException: /local/groups/necim/index_5.3/index/_bdx.cfs (No such
file or directory)  
> 3. java.io.FileNotFoundException: /local/groups/necim/index_5.3/index/_hkq.cfs (No such
file or directory)
> 	Stack trace: java.io.IOException: background merge hit exception: _hkp:c100->_hkp
_hkq:c100->_hkp _hkr:c100->_hkr _hks:c100->_hkr _hxb:c5500 _hx5:c1000 _hxc:c198
> 84 into _hxd [optimize] [mergeDocStores]
>        at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2359)
>        at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2298)
>        at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2268)
>        at com.telelogic.cs.search.SearchIndex.doOptimize(SearchIndex.java:130)
>        at com.telelogic.cs.search.SearchIndexerThread$1.run(SearchIndexerThread.java:337)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>        at java.lang.Thread.run(Thread.java:662)
> Caused by: java.io.FileNotFoundException: /local/groups/necim/index_5.3/index/_hkq.cfs
(No such file or directory)
>        at java.io.RandomAccessFile.open(Native Method)
>        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>        at org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput$Descriptor.<init>(SimpleFSDirectory.java:76)
>        at org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput.<init>(SimpleFSDirectory.java:97)
>        at org.apache.lucene.store.NIOFSDirectory$NIOFSIndexInput.<init>(NIOFSDirectory.java:87)
>        at org.apache.lucene.store.NIOFSDirectory.openInput(NIOFSDirectory.java:67)
>        at org.apache.lucene.index.CompoundFileReader.<init>(CompoundFileReader.java:67)
>        at org.apache.lucene.index.SegmentReader$CoreReaders.<init>(SegmentReader.java:114)
>        at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:590)
>        at org.apache.lucene.index.IndexWriter$ReaderPool.get(IndexWriter.java:616)
>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4309)
>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3965)
>        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:231)
>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:288)


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