The following file has an incorrect header format:

src/jdk.internal.jvmstat/share/classes/sun/jvmstat/perfdata/monitor/protocol/local/PerfDataFile.java

You can verify the header is correct with make/scripts/lic_check.sh (from JDK 10 WS) to make sure each file now passes.

The template is located at:
  make/templates/gpl-header
  make/templates/gpl-cp-header

 * Copyright (c) 2004, 2018 Oracle and/or its affiliates. All rights reserved.

Missing comma after the second year, YEAR should be "2018,"
%YEARS% should be one of two formats

    "YEAR,"
    "YEAR, YEAR,"