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https://issues.apache.org/jira/browse/TIKA-1421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143273#comment-14143273
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Tyler Palsulich commented on TIKA-1421:
---------------------------------------
I commented on list, but here is a proposed solution.
TesseractOCRParser is the default parser for image types (by nature of how
Parsers are dynamically loaded).
If Tesseract is installed, that's the only Parser that gets called.
If not, ImageParser is called as a fallback.
Tests for TesseractOCRParser will check before calling TesseractOCRParser.parse
whether it's installed and skip it otherwise.
Tests for ImageParser will create the ImageParser directly.
> Tika-Parsers tests fail on CentOS6 if tesseract isn't installed
> ---------------------------------------------------------------
>
> Key: TIKA-1421
> URL: https://issues.apache.org/jira/browse/TIKA-1421
> Project: Tika
> Issue Type: Bug
> Components: parser
> Environment: CentOS6 AWS VM for DARPA Memex
> Reporter: Chris A. Mattmann
> Assignee: Chris A. Mattmann
> Priority: Blocker
> Fix For: 1.7
>
>
> While testing TIKA-93 on CentOS6, I ran into some test failing issues on a
> 1.7-trunk fresh install of tika in tika-parsers:
> {noformat}
> Running org.apache.tika.parser.chm.TestChmLzxcControlData
> Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
> Running org.apache.tika.parser.chm.TestChmBlockInfo
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec
> Running org.apache.tika.parser.chm.TestChmItsfHeader
> Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
> Running org.apache.tika.parser.txt.TXTParserTest
> Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec
> Running org.apache.tika.parser.txt.CharsetDetectorTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.02 sec
> Running org.apache.tika.parser.image.xmp.JempboxExtractorTest
> Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.014 sec
> Running org.apache.tika.parser.image.PSDParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
> Running org.apache.tika.parser.image.ImageParserTest
> Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.034 sec
> Running org.apache.tika.parser.image.ImageMetadataExtractorTest
> Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.241 sec
> Running org.apache.tika.parser.image.MetadataFieldsTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec
> Running org.apache.tika.parser.image.TiffParserTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.02 sec
> Running org.apache.tika.parser.font.FontParsersTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.192 sec
> Running org.apache.tika.parser.mp4.MP4ParserTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.07 sec
> Running org.apache.tika.parser.mp3.Mp3ParserTest
> Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.046 sec
> Running org.apache.tika.parser.mp3.MpegStreamTest
> Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec
> Running org.apache.tika.parser.dwg.DWGParserTest
> Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.02 sec
> Running org.apache.tika.parser.pkg.GzipParserTest
> Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.252 sec
> Running org.apache.tika.parser.pkg.Seven7ParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.37 sec
> Running org.apache.tika.parser.pkg.TarParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.118 sec
> Running org.apache.tika.parser.pkg.Bzip2ParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.233 sec
> Running org.apache.tika.parser.pkg.ArParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.017 sec
> Running org.apache.tika.parser.pkg.ZipParserTest
> Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.302 sec
> Running org.apache.tika.parser.video.FLVParserTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.026 sec
> Running org.apache.tika.parser.solidworks.SolidworksParserTest
> Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.019 sec
> Running org.apache.tika.parser.ibooks.iBooksParserTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.019 sec
> Running org.apache.tika.parser.ParsingReaderTest
> Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.018 sec
> Running org.apache.tika.parser.mail.RFC822ParserTest
> Tests run: 8, Failures: 1, Errors: 1, Skipped: 0, Time elapsed: 0.31 sec <<<
> FAILURE!
> Running org.apache.tika.parser.mbox.MboxParserTest
> Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.026 sec
> Running org.apache.tika.parser.mbox.OutlookPSTParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.094 sec
> Running org.apache.tika.parser.jpeg.JpegParserTest
> Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.153 sec
> Running org.apache.tika.parser.executable.ExecutableParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec
> Running org.apache.tika.parser.rtf.RTFParserTest
> Tests run: 31, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.221 sec
> Running org.apache.tika.parser.fork.ForkParserIntegrationTest
> Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.322 sec
> Running org.apache.tika.parser.envi.EnviHeaderParserTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
> Running org.apache.tika.parser.AutoDetectParserTest
> Tests run: 22, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.439 sec
> <<< FAILURE!
> Running org.apache.tika.parser.epub.EpubParserTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
> Running org.apache.tika.parser.code.SourceCodeParserTest
> Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.069 sec
> Running org.apache.tika.parser.netcdf.NetCDFParserTest
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.125 sec
> Running org.apache.tika.parser.pdf.PDFParserTest
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 205317
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 56931
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 56931
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 56931
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 56931
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 205317
> INFO [main] (PDFParser.java:248) - Document is encrypted
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 5592
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 51851
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 51851
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 5592
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 12324
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 5969
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 5687
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 44785
> WARN [main] (FontManager.java:312) - Font not found: Times New Roman
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 44785
> WARN [main] (FontManager.java:312) - Font not found: Times New Roman
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 56931
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 56931
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 26441
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 5592
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 205317
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 205317
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 8777
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 2314576
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 68229
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 68229
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 116
> ERROR [main] (NonSequentialPDFParser.java:1904) - Can't find the object xref
> at offset 5500
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 56931
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 51851
> INFO [main] (PDFParser.java:248) - Document is encrypted
> INFO [main] (PDFParser.java:248) - Document is encrypted
> Tests run: 27, Failures: 3, Errors: 0, Skipped: 0, Time elapsed: 14.305 sec
> <<< FAILURE!
> Running org.apache.tika.parser.RecursiveParserWrapperTest
> Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.233 sec
> Running org.apache.tika.parser.prt.PRTParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.014 sec
> Running org.apache.tika.parser.html.HtmlParserTest
> Tests run: 38, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 0.162 sec
> Running org.apache.tika.parser.mat.MatParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.543 sec
> Running org.apache.tika.parser.feed.FeedParserTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec
> Running org.apache.tika.parser.ocr.TesseractOCRTest
> Tests run: 3, Failures: 0, Errors: 0, Skipped: 3, Time elapsed: 0.007 sec
> Running org.apache.tika.parser.odf.ODFParserTest
> Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.098 sec
> Running org.apache.tika.parser.hdf.HDFParserTest
> WARN [main] (H4header.java:392) - **dimension length=0 for TagVGroup=
> *refno=53 tag= VG (1965) Vgroup length=34 class= Dim0.0 name= Longitude using
> data 52
> WARN [main] (H4header.java:392) - **dimension length=0 for TagVGroup=
> *refno=55 tag= VG (1965) Vgroup length=33 class= Dim0.0 name= Latitude using
> data 54
> WARN [main] (H4header.java:392) - **dimension length=0 for TagVGroup=
> *refno=57 tag= VG (1965) Vgroup length=33 class= Dim0.0 name= fakeDim2 using
> data 56
> WARN [main] (H4header.java:392) - **dimension length=0 for TagVGroup=
> *refno=59 tag= VG (1965) Vgroup length=33 class= Dim0.0 name= fakeDim3 using
> data 58
> WARN [main] (H4header.java:844) - data tag missing vgroup= 70 Sea Surface
> Temperature
> WARN [main] (H4header.java:844) - data tag missing vgroup= 73 Number of
> Observations per Bin
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.087 sec
> Running org.apache.tika.embedder.ExternalEmbedderTest
> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.014 sec
> Running org.apache.tika.mime.MimeTypesTest
> Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
> Running org.apache.tika.mime.TestMimeTypes
> Tests run: 47, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.163 sec
> Running org.apache.tika.mime.MimeTypeTest
> Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
> Running org.apache.tika.detect.TestContainerAwareDetector
> Tests run: 15, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.277 sec
> Running org.apache.tika.TestParsers
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 68229
> WARN [main] (PDFParser.java:757) - Count in xref table is 0 at offset 44785
> WARN [main] (FontManager.java:312) - Font not found: Times New Roman
> Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.2 sec
> Results :
> Failed tests: testMultipart(org.apache.tika.parser.mail.RFC822ParserTest):
> Exception thrown: TIKA-198: Illegal IOException from
> org.apache.tika.parser.ocr.TesseractOCRParser@2657d8a0
> testInlineSelector(org.apache.tika.parser.pdf.PDFParserTest): expected:<2>
> but was:<0>
> testInlineConfig(org.apache.tika.parser.pdf.PDFParserTest): expected:<2>
> but was:<0>
> testEmbeddedFilesInChildren(org.apache.tika.parser.pdf.PDFParserTest):
> expected:<5> but was:<3>
> Tests in error:
> testUnusualFromAddress(org.apache.tika.parser.mail.RFC822ParserTest):
> TIKA-198: Illegal IOException from
> org.apache.tika.parser.ocr.TesseractOCRParser@1574a7af
> testImages(org.apache.tika.parser.AutoDetectParserTest): TIKA-198: Illegal
> IOException from org.apache.tika.parser.ocr.TesseractOCRParser@107aac4a
> Tests run: 538, Failures: 4, Errors: 2, Skipped: 4
> {noformat}
> I tried installing Tesseract here:
> http://pkgs.org/centos-6/naulinux-school-x86_64/tesseract-3.01-2.el6.x86_64.rpm.html
> However, installing that causes the other tests to pass, but the Tesseract
> ones to fail (I think there is something wrong with the English config and am
> looking into it).
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