Myclass.class.getresourceasstream() unable to find resources in JAR, but it can in .class

See more:

Java

TileManager.class.getResourceAsStream("maps/Level_0.json")

works fine if I compile everything, but when I put it in a jar, it returned

Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/JsonDeserializer

My code for loading the JSON file is:

InputStream is = TileManager.class.getResourceAsStream(src);

    assert is != null;
    content = new BufferedReader(new InputStreamReader(is))
            .lines().collect(Collectors.joining("\n"));

    System.out.println(content);
    data = Converter.fromJsonString(content);

Where src = "/maps/Level_0.json"

The location of `Level_0.json` is `src/res/maps/Level_0.json` and `res` is a source folder.

[x] I have imported all the libraries into the jar file.




I am using IntelliJ IDEA and /res is a source folder

What I have tried:

The location of `Level_0.json` is `src/res/maps/Level_0.json` and `res` is a source folder.

I have imported all the libraries into the jar file.

I have tried to change the path(with the preceding slash, without it)