src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipFileSystem.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *

@@ -287,10 +287,18 @@
         synchronized (deflaters) {
             for (Deflater def : deflaters)
                 def.end();
         }
 
+        beginWrite();                // lock and sync
+        try {
+            // Clear the map so that its keys & values can be garbage collected
+            inodes = null;
+        } finally {
+            endWrite();
+        }
+
         IOException ioe = null;
         synchronized (tmppaths) {
             for (Path p: tmppaths) {
                 try {
                     Files.deleteIfExists(p);