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Date: Mon, 19 Oct 2009 19:54:59 +0000 (UTC)
From: "Michael McCandless (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-1996) EnwikiContentSource isn't thread
 safe
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    [ https://issues.apache.org/jira/browse/LUCENE-1996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767492#action_12767492 ] 

Michael McCandless commented on LUCENE-1996:
--------------------------------------------

That IS really crazy.

> EnwikiContentSource isn't thread safe
> -------------------------------------
>
>                 Key: LUCENE-1996
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1996
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/benchmark
>            Reporter: Michael McCandless
>            Priority: Minor
>             Fix For: 3.1
>
>
> When I run this alg:
> {code}
> analyzer=org.apache.lucene.analysis.standard.StandardAnalyzer
> content.source=org.apache.lucene.benchmark.byTask.feeds.EnwikiContentSource
> docs.file=/x/lucene/enwiki-20090724-pages-articles.xml.bz2
> doc.tokenized = false
> ram.flush.mb=32.0
> doc.stored = false
> doc.term.vector = false
> log.step.AddDoc=10000
> directory=FSDirectory
> autocommit=false
> compound=false
> work.dir=/lucene/work.wiki.nd0.02M
> { "BuildIndex"
>   - CreateIndex
>   [ { "AddDocs" AddDoc > : 10000 } : 2
>   - CloseIndex
> }
> RepSumByPrefRound BuildIndex
> {code}
> I hit exceptions in each thread like this:
> {code}
> Exception in thread "Thread-2" java.lang.RuntimeException: org.xml.sax.SAXParseException: Open quote is expected for attribute "msxi" associated with an  element type  "mdiiki".
> 	at org.apache.lucene.benchmark.byTask.feeds.EnwikiContentSource$Parser.run(EnwikiContentSource.java:189)
> 	at java.lang.Thread.run(Thread.java:613)
> Caused by: org.xml.sax.SAXParseException: Open quote is expected for attribute "msxi" associated with an  element type  "mdiiki".
> 	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:236)
> 	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:215)
> 	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:386)
> 	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:316)
> 	at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1441)
> 	at com.sun.org.apache.xerces.internal.impl.XMLScanner.scanAttributeValue(XMLScanner.java:802)
> 	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanAttribute(XMLNSDocumentScannerImpl.java:578)
> 	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:222)
> 	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(XMLNSDocumentScannerImpl.java:779)
> 	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1794)
> 	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
> 	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
> 	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
> 	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
> 	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242)
> 	at org.apache.lucene.benchmark.byTask.feeds.EnwikiContentSource$Parser.run(EnwikiContentSource.java:166)
> 	... 1 more
> {code}

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