#vulnerable code 
                                protected ConfigurationSource getInputFromResource(final String resource, final ClassLoader loader) {
        final URL url = Loader.getResource(resource, loader);
        if (url == null) {
            return null;
        }
        InputStream is = null;
        try {
            is = url.openStream();
        } catch (final IOException ioe) {
            LOGGER.catching(Level.DEBUG, ioe);
            return null;
        }
        if (is == null) {
            return null;
        }

        if (FileUtils.isFile(url)) {
            try {
                return new ConfigurationSource(is, FileUtils.fileFromURI(url.toURI()));
            } catch (final URISyntaxException ex) {
                // Just ignore the exception.
                LOGGER.catching(Level.DEBUG, ex);
            }
        }
        return new ConfigurationSource(is, resource);
    } 
                            #location 19 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                protected ConfigurationSource getInputFromResource(final String resource, final ClassLoader loader) {
        final URL url = Loader.getResource(resource, loader);
        if (url == null) {
            return null;
        }
        InputStream is = null;
        try {
            is = url.openStream();
        } catch (final IOException ioe) {
            LOGGER.catching(Level.DEBUG, ioe);
            return null;
        }
        if (is == null) {
            return null;
        }

        if (FileUtils.isFile(url)) {
            try {
                return new ConfigurationSource(is, FileUtils.fileFromUri(url.toURI()));
            } catch (final URISyntaxException ex) {
                // Just ignore the exception.
                LOGGER.catching(Level.DEBUG, ex);
            }
        }
        return new ConfigurationSource(is, resource);
    }