Michael McCandless created LUCENE-6205:
------------------------------------------
Summary: DV updates can hit FileNotFoundException due to
concurrency bug
Key: LUCENE-6205
URL: https://issues.apache.org/jira/browse/LUCENE-6205
Project: Lucene - Core
Issue Type: Bug
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: Trunk, 5.1
Jenkins has hit this a few times recently, e.g.:
{noformat}
[junit4] Suite: org.apache.lucene.index.TestBinaryDocValuesUpdates
[junit4] 2> Jan 28, 2015 11:49:24 AM
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
uncaughtException
[junit4] 2> WARNUNG: Uncaught exception in thread: Thread[Lucene Merge
Thread #1,5,TGRP-TestBinaryDocValuesUpdates]
[junit4] 2> org.apache.lucene.index.MergePolicy$MergeException:
java.nio.file.NoSuchFileException: _4_1.fnm in dir=RAMDirectory@5dcf7f8a
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@ccb4148
[junit4] 2> at
__randomizedtesting.SeedInfo.seed([5EC20FA2CD1E68B8]:0)
[junit4] 2> at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:641)
[junit4] 2> at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:609)
[junit4] 2> Caused by: java.nio.file.NoSuchFileException: _4_1.fnm in
dir=RAMDirectory@5dcf7f8a
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@ccb4148
[junit4] 2> at
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:655)
[junit4] 2> at
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:110)
[junit4] 2> at
org.apache.lucene.codecs.lucene50.Lucene50FieldInfosFormat.read(Lucene50FieldInfosFormat.java:113)
[junit4] 2> at
org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:155)
[junit4] 2> at
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:119)
[junit4] 2> at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3935)
[junit4] 2> at
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3559)
[junit4] 2> at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:549)
[junit4] 2> at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:587)
[junit4] 2>
[junit4] 2> NOTE: reproduce with: ant test
-Dtestcase=TestBinaryDocValuesUpdates -Dtests.method=testManyReopensAndFields
-Dtests.seed=5EC20FA2CD1E68B8 -Dtests.slow=true -Dtests.locale=de_DE
-Dtests.timezone=Europe/Samara -Dtests.asserts=true -Dtests.file.encoding=UTF-8
{noformat}
It repros only after substantial beasting.
It's a concurrency issue between one thread kicking off a merge, and another
thread resolving doc values updates.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
