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From "Tim Allison (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (TIKA-2970) Configuring Tesseract for OCR of PDF via Tika Config is not working
Date Mon, 21 Oct 2019 15:27:00 GMT

     [ https://issues.apache.org/jira/browse/TIKA-2970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Tim Allison resolved TIKA-2970.
    Fix Version/s: 1.23
       Resolution: Fixed

[~epugh], thank you for opening this issue.  Please give a local or nightly build a try and
let us know if it is not resolved...or if you find any other surprises!

> Configuring Tesseract for OCR of PDF via Tika Config is not working
> -------------------------------------------------------------------
>                 Key: TIKA-2970
>                 URL: https://issues.apache.org/jira/browse/TIKA-2970
>             Project: Tika
>          Issue Type: Improvement
>          Components: ocr
>    Affects Versions: 1.22
>            Reporter: David Eric Pugh
>            Assignee: Tim Allison
>            Priority: Critical
>             Fix For: 1.23
> Based on TIKA-2705, I thought I could eliminate the use of the properties files for configuring
PDF and OCR processing, and just use a tika-config.xml file.
> I believe I have a unit test that demonstrates that if you need to override the tesseract
path for OCR, you end up always with the default Tesseract configuration, which leads to Tika
throwing an error: https://github.com/apache/tika/blob/master/tika-parsers/src/main/java/org/apache/tika/parser/pdf/AbstractPDF2XHTML.java#L328
> In stepping through the code, it seems like every time we consult the context:
> ```
> TesseractOCRConfig tesseractConfig =
>                 context.get(TesseractOCRConfig.class, DEFAULT_TESSERACT_CONFIG);
> ```
> We always get back the default.  The context never has our customized TesseractOCRConfig!
  Despite the fact that when we load up the TikaConfig in the first case, I notice that we
do create a TesseractOCRParser object WITH the various parameters...   

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