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https://issues.apache.org/jira/browse/TIKA-1154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13719468#comment-13719468
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Nick Burch commented on TIKA-1154:
----------------------------------
Stracktrace for the hang seems to be:
at org.apache.xerces.impl.XMLScanner.scanExternalID(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentScannerImpl.scanDoctypeDecl(Unknown Source)
at
org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
Source)
at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:195)
at
org.apache.tika.detect.XmlRootExtractor.extractRootElement(XmlRootExtractor.java:54)
at
org.apache.tika.detect.XmlRootExtractor.extractRootElement(XmlRootExtractor.java:41)
at org.apache.tika.mime.MimeTypes.getMimeType(MimeTypes.java:192)
at org.apache.tika.mime.MimeTypes.detect(MimeTypes.java:439)
at
org.apache.tika.detect.CompositeDetector.detect(CompositeDetector.java:61)
at org.apache.tika.cli.TikaCLI$10.process(TikaCLI.java:252)
at org.apache.tika.cli.TikaCLI.process(TikaCLI.java:417)
at org.apache.tika.cli.TikaCLI.main(TikaCLI.java:111)
Perhaps we need to tweak the options/configuration we give to the SAX parser
when we ask it to work out what kind of XML it is to avoid this?
> Tika hangs on format detection of malformed HTML file.
> ------------------------------------------------------
>
> Key: TIKA-1154
> URL: https://issues.apache.org/jira/browse/TIKA-1154
> Project: Tika
> Issue Type: Bug
> Components: mime
> Affects Versions: 1.4
> Reporter: Andrew Jackson
> Priority: Minor
> Attachments: tika-breaker.html
>
>
> We are using Tika on large web archives, which also happen to contain some
> malformed files. In particular, we found a HTML file with binary characters
> in the DOCTYPE declaration. This hangs Tika, either embedded or from the
> command line, during format detection.
> An example file is attached.
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