8069211: (zipfs) ZipFileSystem creates corrupted zip if entry output stream gets closed more than once Summary: to synchronize the write and close methods of the entry output stream Reviewed-by: alanb

8069155: The value of 'KeyStore Type' isn't 'jks' Reviewed-by: xuelei

8068427: Hashtable deserialization reconstitutes table with wrong capacity Reviewed-by: mduigou, martin, chegar, dfuchs

8068732: Adding Initial RowSet tests Reviewed-by: joehw