Illegal Argument Exception while Reading XML File in Java

Question

I wrote this while following a video tutorial. The tutorial showed the same thing but got no error!

Here's the code:

public static void main(String[] args){
    
    DocumentBuilderFactory bf = DocumentBuilderFactory.newInstance();
    try {
        DocumentBuilder db = bf.newDocumentBuilder();

        //says input stream cannot be null
        Document d = db.parse(XmlReader.class.getResourceAsStream("XMLFile.xml")); 

        d.normalize();

When I run the program, it says that the input stream cannot be null for the statement indicated statement but, its not null!. The file path is correct! Is there something I'm missing? Is there a problem with eclipse or XMLfiles or something?

Stack trace:

Exception in thread "main" java.lang.IllegalArgumentException: InputStream cannot be null
at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
at io.XMLFileReading.main(XMLFileReading.java:27)

Exception in thread "main" java.lang.IllegalArgumentException: InputStream cannot be null at javax.xml.parsers.DocumentBuilder.parse(Unknown Source) at io.XMLFileReading.main(XMLFileReading.java:27) — Zero Cipher
– Zero Cipher, Commented Jul 11, 2015 at 14:38

Community · Accepted Answer · 2017-05-23 11:43:59Z

3

Seems like using FileInputStream would do the job (rather than XmlReader.class.getResourceAsStream()).

Document document = dBuilder.parse(new FileInputStream("XMLFile.xml"));

See similar question and accepted answer here: Cannot work with XML file. InputStream is null

edited May 23, 2017 at 11:43

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answered Jul 11, 2015 at 15:26

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