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From "David Eric Pugh (Jira)" <j...@apache.org>
Subject [jira] [Created] (TIKA-2970) Configuring Tesseract for OCR of PDF via Tika Config is not working
Date Sun, 20 Oct 2019 20:11:00 GMT
David Eric Pugh created TIKA-2970:
-------------------------------------

             Summary: 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


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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