src/main/java/org/apache/tomee/website/AbstractDownloadsNG.java [214:228]:
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        try {
            final URL url = new URL(download.url);
            final HttpURLConnection connection = HttpURLConnection.class.cast(url.openConnection());
            connection.setConnectTimeout((int) TimeUnit.SECONDS.toMillis(30));
            final int responseCode = connection.getResponseCode();
            if (responseCode != HttpURLConnection.HTTP_OK) {
                if (HttpURLConnection.HTTP_NOT_FOUND != responseCode) {
                    System.err.println("Got " + responseCode + " for " + download.url);
                }
                return null;
            }

            download.setDate(connection.getHeaderField("Last-Modified").replaceAll(" +", " "));
            download.setSize(toMega(ofNullable(connection.getHeaderField("Content-Length")).map(Long::parseLong).orElse(0L), ofNullable(connection.getHeaderField("Accept-Ranges")).orElse
                    ("bytes")));
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src/main/java/org/apache/tomee/website/Downloads.java [166:180]:
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        try {
            final URL url = new URL(download.url);
            final HttpURLConnection connection = HttpURLConnection.class.cast(url.openConnection());
            connection.setConnectTimeout((int) TimeUnit.SECONDS.toMillis(30));
            final int responseCode = connection.getResponseCode();
            if (responseCode != HttpURLConnection.HTTP_OK) {
                if (HttpURLConnection.HTTP_NOT_FOUND != responseCode) {
                    System.err.println("Got " + responseCode + " for " + download.url);
                }
                return null;
            }

            download.setDate(connection.getHeaderField("Last-Modified").replaceAll(" +", " "));
            download.setSize(toMega(ofNullable(connection.getHeaderField("Content-Length")).map(Long::parseLong).orElse(0L), ofNullable(connection.getHeaderField("Accept-Ranges")).orElse
                    ("bytes")));
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