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

*** 890,904 ****
--- 890,911 ----
                  e.flag |= FLAG_USE_UTF8;
          }
  
          @Override
          public void close() throws IOException {
+             super.beginWrite();
+             try {
+                 if (!isOpen())
+                     return;
                  // will update the entry
                  try (OutputStream os = getOutputStream(e)) {
                      os.write(toByteArray());
                  }
                  super.close();
+             } finally {
+                 super.endWrite();
+             }
          }
      }
  
      // Returns a Writable/ReadByteChannel for now. Might consider to use
      // newFileChannel() instead, which dump the entry data into a regular