It is possible that you have not downloaded eng.traineddata or it is in a 
different location.

Try running tesseract on command line, check --list-langs.

On Friday, May 18, 2018 at 9:27:59 AM UTC+5:30, Dattatraya Tembare wrote:
>
>
> *[SOLVED] changed the language from 'hin+eng' to 'hin'In this case 
> selection of language also matters -* I was processing image with 
> lang=hin+eng, but it was giving the same error (mentioned in this post)
>
> As English text was less in the image so I changed lang=hin and I got the 
> expected result.
>
> public static void main(String[] args) {
>         Tesseract in = new ReadImageText().getTesseractInstance("C:/Program 
> Files (x86)/Tesseract-OCR/tessdata/", "hin");
>         try {
>             String resultText = in.doOCR(new 
> File("C:/EA/app-result/im/01-001/34/0.png"));
>             log.info("resultText {}", resultText);
>         } catch (TesseractException e) {
>             // TODO Auto-generated catch block
>             e.printStackTrace();
>         }
>     }
>
>
> On Friday, May 4, 2018 at 2:38:16 PM UTC-4, Dattatraya Tembare wrote:
>>
>> Exception in thread "main" java.lang.Error: Invalid memory access
>> at com.sun.jna.Native.invokePointer(Native Method)
>> at com.sun.jna.Function.invokePointer(Function.java:490)
>> at com.sun.jna.Function.invoke(Function.java:434)
>> at com.sun.jna.Function.invoke(Function.java:354)
>> at com.sun.jna.Library$Handler.invoke(Library.java:244)
>> at com.sun.proxy.$Proxy0.TessBaseAPIGetUTF8Text(Unknown Source)
>> at net.sourceforge.tess4j.Tesseract.getOCRText(Tesseract.java:433)
>> at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:288)
>> at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:209)
>> at net.sourceforge.tess4j.Tesseract.doOCR(Tesseract.java:193)
>> at com.ea.ocr.tesseract.ReadImageText.readText(ReadImageText.java:59)
>> at com.ea.ocr.tesseract.ReadImageText.main(ReadImageText.java:32)
>> Error opening data file ./eng.traineddata
>> Please make sure the TESSDATA_PREFIX environment variable is set to your 
>> "tessdata" directory.
>> Failed loading language 'eng'
>> Tesseract couldn't load any languages!
>>
>

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