src/jdk.jartool/share/classes/sun/tools/jar/Main.java

rev 51097 : 8207395: jar has issues with UNC-path arguments for the jar -C parameter [windows]

*** 631,643 ****
--- 631,652 ----
                          /* change the directory */
                          String dir = args[++i];
                          dir = (dir.endsWith(File.separator) ?
                                 dir : (dir + File.separator));
                          dir = dir.replace(File.separatorChar, '/');
+ 
+                         if (dir.startsWith("//") && (File.separatorChar == '\\') ) {
                              while (dir.indexOf("//") > -1) { 
                                  dir = dir.replace("//", "/");
                              }
+                             // restore the leading / to fix the Win UNC path
+                             dir = "/" + dir;
+                         } else {
+                             while (dir.indexOf("//") > -1) {
+                                 dir = dir.replace("//", "/");
+                             }
+                         }
                          pathsMap.get(version).add(dir.replace(File.separatorChar, '/'));
                          nameBuf[k++] = dir + args[++i];
                      } else if (args[i].startsWith("--release")) {
                          int v = BASE_VERSION;
                          try {