character encoding - All inclusive Charset to avoid "java.nio.charset.MalformedInputException: Input length = 1"? -

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I am creating a simple wordpress program in Java that reads through the directory's text-based files.

However, I continue to get the error: 

  java.nio.charset.MalformedInputException: Input Length = 1   
 From this line of code:  
  BufferedReader Reader = Files.newBufferedReader (file, Charset.forName ("UTF-8"));   
 I know I might get it because I used a  charset , which did not include some of the text files, some of which others The characters were included languages But I want to include those characters.  
 I learned later that  charset  is optional and is used only for more efficient reading of the files, so I changed the code:  
  BufferedReader Reader = Files.newBufferedReader (file);   
 But some files still throw  MalformedInputException . I do not know why  
  I was wondering if there is an all-encompassed  charset  which will allow me to read text files with many different types of characters ?  
 Thank you.   
 
 
 You probably want a list of supported encodings for each file, try each encoding instead, maybe Starting with UTF-8 every time you capture  MalformedInputException , try the next encoding.

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