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https://issues.apache.org/jira/browse/TIKA-185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662195#action_12662195
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Chris A. Mattmann commented on TIKA-185:
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+1.
I think we open up a whole horde of other tangential issues if we are dealing
with external validation and protocols. Let's apply KISS principles here.
Perhaps this can be attacked at the protocol layer, in some other fashion?
Cheers,
Chris
> XML files with (unsatisfied) SYSTEM entities can not be indexed
> ---------------------------------------------------------------
>
> Key: TIKA-185
> URL: https://issues.apache.org/jira/browse/TIKA-185
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 0.2
> Reporter: Andrzej Rusin
> Priority: Minor
> Attachments: xmlTest.xml, xmlTest2.xml
>
>
> When trying to extract an XPI file (Firefox extenstion, which probably is not
> a best candidate for extract) I got the below exception.
> It was caused by SYSTEM entities refering the chrome:// protocol.
> However, obviously any XML file that contains SYSTEM entities which can not
> be accessed at the time of extraction will not be extracted properly.
> Here is the stack trace:
> java.net.MalformedURLException: unknown protocol: chrome
> at java.net.URL.<init>(URL.java:574)
> at java.net.URL.<init>(URL.java:464)
> at java.net.URL.<init>(URL.java:413)
> at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown
> Source)
> at org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown Source)
> at org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown Source)
> at org.apache.xerces.impl.XMLDTDScannerImpl.startPE(Unknown Source)
> at org.apache.xerces.impl.XMLDTDScannerImpl.skipSeparator(Unknown Source)
> at org.apache.xerces.impl.XMLDTDScannerImpl.scanDecls(Unknown Source)
> at org.apache.xerces.impl.XMLDTDScannerImpl.scanDTDInternalSubset(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.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 javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
> at javax.xml.parsers.SAXParser.parse(SAXParser.java:198)
> at org.apache.tika.parser.xml.XMLParser.parse(XMLParser.java:57)
> at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:108)
> at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:80)
> at
> org.apache.tika.parser.pkg.PackageParser.parseEntry(PackageParser.java:93)
> at org.apache.tika.parser.pkg.ZipParser.parse(ZipParser.java:56)
> at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:108)
> at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:80)
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