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

rev 57619 : 7143743: (zipfs) Potential memory leak with zip provider
Summary: ZipFileSystem.close() now releases the "inodes" Map, to avoid holding on to potentially large amounts of data
Reviewed-by:

*** 487,496 ****
--- 487,505 ----
          }
          synchronized (deflaters) {
              for (Deflater def : deflaters)
                  def.end();
          }
+         beginWrite(); // lock and sync
+         try {
+             // dereference the inodes map, since each entry in that map
+             // can potentially hold on to large amounts of data (especially
+             // IndexNode of type ZipFileSystem$Entry)
+             inodes = null;
+         } finally {
+             endWrite();
+         }
  
          IOException ioe = null;
          synchronized (tmppaths) {
              for (Path p : tmppaths) {
                  try {