Tesseract gives warning message - tesseract

Question

I am working with tess4j (4.3.1 version) so that I can convert image files to text file for preparing index for Lucene.It does its work but at the end gives an warning
Warning: Parameter not found: enable_new_segsearch
Here is my pom.xml
<dependencies>
<dependency>
<groupId>org.ghost4j</groupId>
<artifactId>ghost4j</artifactId>
<version>1.0.1</version>
</dependency>
<dependency>
<groupId>net.java.dev.jna</groupId>
<artifactId>jna</artifactId>
<version>5.3.1</version>
</dependency>
<dependency>
<groupId>net.sourceforge.tess4j</groupId>
<artifactId>tess4j</artifactId>
<version>4.3.1</version>
</dependency>
<dependency>
<groupId>com.github.jai-imageio</groupId>
<artifactId>jai-imageio-core</artifactId>
<version>1.4.0</version>
</dependency>
<dependency>
<groupId>net.sourceforge.lept4j</groupId>
<artifactId>lept4j</artifactId>
<version>1.12.0</version>
</dependency>
</dependencies>
And my java main class:
File imageFile = new File("samples/eurotext.pdf");
ITesseract instance = new Tesseract();
instance.setDatapath("E:\\tessdata");
try {
String result = instance.doOCR(imageFile);
System.out.println(result);
} catch (TesseractException e) {
System.err.println(e.getMessage());
}
Using following VM arguments:
-Djna.library.path=${workspace_loc:/ocr-tess4j-example}/dlls/x64
Contents of dlls/x64 folder:
gsdll64.dll
liblept1760.dll
libtesseract400.dll
How can I get rid of the warning message?

Answer 1

Try:
instance.setTessVariable("debug_file", "/dev/null");

Answer 2

Language data was not correct.Downloaded whole tessdata from [https://github.com/tesseract-ocr/tessdata] . Error gone. Got the idea from here
https://pdfc.inetsoftware.de/public/help/tesseract4/p/optical-character-recognition