The issue is found with latest jre9 b90 PIT build on linux64 bit platform
1. Install mentioned jre from http://jre.us.oracle.com/java/re/jdk/9/jdk9-client/b89_2015-10-27-0301_3693/bundles/linux-amd64/
2. In JCP add http://www.java.com into ESL and enable both console and trace.
3. In browser access http://www.java.com/en/download/installed.jsp?detect=jre&try=1
4. If the applet shows message with "NosuchMethodException" as in screenshot below, the issue is reproduced.
http://sqeweb.us.oracle.com/net/scanas415/export/deployment/larry/Screenshot.png