Question

I have the below code.

The below source code is from the file x.java. The hi.html is present in the same directory as x.java.

I get a file not found exception even though the file is present. Am I missing something ?

    public void sendStaticResource() throws IOException{
    byte[] bytes = new byte[1024];
    FileInputStream fis = null;

    try{
        File file = new File("hi.html");

        boolean p  = file.exists();

        int i = fis.available();

        fis = new FileInputStream(file);

        int ch = fis.read(bytes, 0, 1024);

        while(ch!=-1){
            output.write(bytes, 0, ch);
            ch = fis.read(bytes, 0, 1024);
        }

    }catch(Exception e){
        String errorMessage = "file not found";
        output.write(errorMessage.getBytes());
    }finally {
        if(fis != null){
            fis.close();
        }

    }

}

Answer 1

The directory of the .java file is not necessarily the direction your code runs in! You can check the current working dir of your program by in example:

 System.out.println( System.getProperty( "user.dir" ) );

You could use the System.getProperty( “user.dir” ) string to make your relative filename an absolute one! Just prefix it to your filename 🙂