src/jdk.zipfs/share/classes/jdk/nio/zipfs/ZipFileSystemProvider.java

*** 63,74 ****
          }
          try {
              // only support legacy JAR URL syntax  jar:{uri}!/{entry} for now
              String spec = uri.getRawSchemeSpecificPart();
              int sep = spec.indexOf("!/");
!             if (sep != -1)
                  spec = spec.substring(0, sep);
              return Paths.get(new URI(spec)).toAbsolutePath();
          } catch (URISyntaxException e) {
              throw new IllegalArgumentException(e.getMessage(), e);
          }
      }
--- 63,75 ----
          }
          try {
              // only support legacy JAR URL syntax  jar:{uri}!/{entry} for now
              String spec = uri.getRawSchemeSpecificPart();
              int sep = spec.indexOf("!/");
!             if (sep != -1) {
                  spec = spec.substring(0, sep);
+             }
              return Paths.get(new URI(spec)).toAbsolutePath();
          } catch (URISyntaxException e) {
              throw new IllegalArgumentException(e.getMessage(), e);
          }
      }
*** 105,114 ****
--- 106,118 ----
                  if (pname.endsWith(".zip") || pname.endsWith(".jar"))
                      throw ze;
                  // assume NOT a zip/jar file
                  throw new UnsupportedOperationException();
              }
+             if (realPath == null) {  // newly created
+                 realPath = path.toRealPath();
+             }
              filesystems.put(realPath, zipfs);
              return zipfs;
          }
      }
  
*** 130,140 ****
          }
      }
  
      @Override
      public Path getPath(URI uri) {
- 
          String spec = uri.getSchemeSpecificPart();
          int sep = spec.indexOf("!/");
          if (sep == -1)
              throw new IllegalArgumentException("URI: "
                  + uri
--- 134,143 ----