Since JDK-8144226, the java.desktop module is including more resource files than it used to. This is caused by a small bug in SetupJavaCompilation.gmk that fails to apply exclude patterns on files to be copied. The fix is simple.

diff -r 4b01ea6c12c3 make/common/JavaCompilation.gmk
--- a/make/common/JavaCompilation.gmk
+++ b/make/common/JavaCompilation.gmk
@@ -267,7 +267,7 @@
     $1_ALL_COPIES := $$(filter $$($1_INCLUDE_PATTERN),$$($1_ALL_COPIES))
   endif
   ifneq (,$$($1_EXCLUDE_PATTERN))
- $1_ALL_COPIES := $$(filter-out $$($1_EXCLUDES_PATTERN),$$($1_ALL_COPIES))
+ $1_ALL_COPIES := $$(filter-out $$($1_EXCLUDE_PATTERN),$$($1_ALL_COPIES))
   endif
   ifneq (,$$($1_ALL_COPIES))
     # Yep, there are files to be copied!