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From "Doron Cohen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3123) TestIndexWriter.testBackgroundOptimize fails with too many open files
Date Thu, 19 May 2011 12:57:47 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13036163#comment-13036163
] 

Doron Cohen commented on LUCENE-3123:
-------------------------------------

This is on Ubuntu btw.

Run log:
{noformat}
NOTE: reproduce with: ant test -Dtestcase=TestIndexWriter -Dtestmethod=testBackgroundOptimize
-Dtests.seed=-3981504507637360146:51354004663342240
NOTE: reproduce with: ant test -Dtestcase=TestIndexWriter -Dtestmethod=testBackgroundOptimize
-Dtests.seed=-3981504507637360146:51354004663342240
The following exceptions were thrown by threads:
*** Thread: Lucene Merge Thread #0 ***
org.apache.lucene.index.MergePolicy$MergeException: java.io.FileNotFoundException: /tmp/test4907593285402510583tmp/_51_0.sd
(Too many open files)
	at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:507)
	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:472)
Caused by: java.io.FileNotFoundException: /tmp/test4907593285402510583tmp/_51_0.sd (Too many
open files)
	at java.io.RandomAccessFile.open(Native Method)
	at java.io.RandomAccessFile.<init>(RandomAccessFile.java:233)
	at org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput$Descriptor.<init>(SimpleFSDirectory.java:69)
	at org.apache.lucene.store.SimpleFSDirectory$SimpleFSIndexInput.<init>(SimpleFSDirectory.java:90)
	at org.apache.lucene.store.SimpleFSDirectory.openInput(SimpleFSDirectory.java:56)
	at org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:337)
	at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:402)
	at org.apache.lucene.index.codecs.mockrandom.MockRandomCodec.fieldsProducer(MockRandomCodec.java:236)
	at org.apache.lucene.index.PerFieldCodecWrapper$FieldsReader.<init>(PerFieldCodecWrapper.java:113)
	at org.apache.lucene.index.PerFieldCodecWrapper.fieldsProducer(PerFieldCodecWrapper.java:210)
	at org.apache.lucene.index.SegmentReader$CoreReaders.<init>(SegmentReader.java:131)
	at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:495)
	at org.apache.lucene.index.IndexWriter$ReaderPool.get(IndexWriter.java:635)
	at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3260)
	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:2930)
	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:379)
	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:447)
NOTE: test params are: codec=RandomCodecProvider: {field=MockRandom}, locale=nl_NL, timezone=Turkey
NOTE: all tests run in this JVM:
[TestIndexWriter]
NOTE: Linux 2.6.32-31-generic i386/Sun Microsystems Inc. 1.6.0_20 (32-bit)/cpus=1,threads=2,free=26480072,total=33468416
{noformat}

> TestIndexWriter.testBackgroundOptimize fails with too many open files
> ---------------------------------------------------------------------
>
>                 Key: LUCENE-3123
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3123
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: core/index
>         Environment: Linux 2.6.32-31-generic i386/Sun Microsystems Inc. 1.6.0_20 (32-bit)/cpus=1,threads=2
>            Reporter: Doron Cohen
>
> Recreate with this line:
> ant test -Dtestcase=TestIndexWriter -Dtestmethod=testBackgroundOptimize -Dtests.seed=-3981504507637360146:51354004663342240
> Might be related to LUCENE-2873 ?

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