In https://docs.oracle.com/javase/9/security/java-security-standard-algorithm-names.htm#JSSEC-GUID-179D969E-F78E-4738-B0A5-BB587FFECC2D the link to the Standard Algorithm Names spec is broken:

http://www.oracle.com/pls/topic/lookup?ctx=javase9&id=security_standard_algorithm_spec resolves to http://download.java.net/java/jdk9/docs/specs/security/standard-names.html which gives a 404 error. It should be: https://docs.oracle.com/javase/9/docs/specs/security/standard-names.html