.getResourceAsStream null

[debraj mallick]

hi all,
i am using the code below and i am getting "java.lang.NullPointerException"

public class Me {

    public static void main(String[] args) {
        try {
            Properties defaultProps = new Properties();
            InputStream in = Me.class.getClass().getResourceAsStream("D:/workspace/debraj/debraj-web-struts2/target/debraj-web-struts2-1.0.0-SNAPSHOT/WEB-INF/classes/global.properties");
            defaultProps.load(in);
            System.out.println(" before save : " + defaultProps.getProperty("global.username"));
        } catch (Exception e) {
            System.out.println(" exception is : " + e);
        }

    }
}

i also get this exception when i am using getClassLoader()
any help would be appreciated.

[Stephan van Hulst]

Are you trying to load the resource from a jar? In that case, the String should probably be something like "/WEB-INF/classes/global.properties". If the resource is not in a jar, or in a location that is relative to the class file, you should probably use the Path class to get access to the resource.

[Rob Spoor]

If you're going to use absolute paths like this, FileInputStream is the class you'll need.

Note that within web containers you shouldn't use absolute files like this. You should take a path relative to the root of the web application ("/WEB-INF/...."), then use getServletContext().getRealPath(...) to turn that relative path into an absolute path. In JSP pages you replace getServletContext() with application.

[Rob Spoor]

And if you need to use getResourceAsStream(...), it should take a path relative to the current class or to the class path. As the classes folder will be on the class path for web containers, the path should be "/global.properties" (the / makes it relative to the class path instead of the current class).

[debraj mallick]

thanks, Rob Spoor. it works

[Rob Spoor]

You're welcome