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https://issues.apache.org/jira/browse/TIKA-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14329474#comment-14329474
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Uwe Schindler commented on TIKA-1555:
-------------------------------------
bq. You can also disable OCR by setting the Tesseract path to "" in the
TesseractOCRConfig.
This did not work. If this would disable the fork I would be happy. But it just
disables parser as side effect because it tries to fork an invalid process path
which is created from empty string and sone sufix.
> posix_spawn is not a supported process launch mechanism on this platform
> ------------------------------------------------------------------------
>
> Key: TIKA-1555
> URL: https://issues.apache.org/jira/browse/TIKA-1555
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 1.7
> Environment: MacOS X 10.10.2
> Reporter: David Pilato
> Assignee: Tyler Palsulich
> Labels: ocr, parser
>
> It could happen on some systems that posix_spawn is not a supported process
> launch mechanism.
> We are doing random testing which simulates different kind of Locale so I
> could sometime hit that issue:
> {code}
> java.lang.Error: posix_spawn is not a supported process launch mechanism on
> this platform.
> at java.lang.UNIXProcess$1.run(UNIXProcess.java:104)
> at java.lang.UNIXProcess$1.run(UNIXProcess.java:93)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.lang.UNIXProcess.<clinit>(UNIXProcess.java:91)
> at java.lang.ProcessImpl.start(ProcessImpl.java:130)
> at java.lang.ProcessBuilder.start(ProcessBuilder.java:1022)
> at java.lang.Runtime.exec(Runtime.java:617)
> at java.lang.Runtime.exec(Runtime.java:485)
> at
> org.apache.tika.parser.external.ExternalParser.check(ExternalParser.java:344)
> at
> org.apache.tika.parser.ocr.TesseractOCRParser.hasTesseract(TesseractOCRParser.java:117)
> at
> org.apache.tika.parser.ocr.TesseractOCRParser.getSupportedTypes(TesseractOCRParser.java:90)
> at
> org.apache.tika.parser.CompositeParser.getParsers(CompositeParser.java:81)
> at
> org.apache.tika.parser.DefaultParser.getParsers(DefaultParser.java:95)
> at
> org.apache.tika.parser.CompositeParser.getSupportedTypes(CompositeParser.java:229)
> at
> org.apache.tika.parser.CompositeParser.getParsers(CompositeParser.java:81)
> at
> org.apache.tika.parser.CompositeParser.getParser(CompositeParser.java:209)
> at
> org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:244)
> at
> org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:120)
> at org.apache.tika.Tika.parseToString(Tika.java:506)
> {code}
> It sounds like it's related to this:
> http://java.thedizzyheights.com/2014/07/java-error-posix_spawn-is-not-a-supported-process-launch-mechanism-on-this-platform-when-trying-to-spawn-a-process/
> Though I have hard time to reproduce it!
> BTW I wonder if we could add a setting which can return {{false}} for
> {{TesseractOCRParser#hasTesseract}} even if we have tesseract available.
> For example, let say that my machine shares multiple application and for one
> of them I don't want any OCR on my documents.
> Hope this helps.
> Let me know if you need more details.
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