--- old/src/java.base/unix/classes/sun/net/www/protocol/file/Handler.java	2018-12-06 17:25:53.549348850 -0500
+++ new/src/java.base/unix/classes/sun/net/www/protocol/file/Handler.java	2018-12-06 17:25:53.373347977 -0500
@@ -75,7 +75,7 @@
     public synchronized URLConnection openConnection(URL u, Proxy p)
            throws IOException {
         String host = u.getHost();
-        if (host == null || host.equals("") || host.equals("~") ||
+        if (host == null || host.isEmpty() || host.equals("~") ||
             host.equalsIgnoreCase("localhost")) {
             File file = new File(ParseUtil.decode(u.getPath()));
             return createFileURLConnection(u, file);