Step:
1.First,install test jre(test jre is jre9b150,and Installation path is "/root/core/jre-9").
2.Connect the Java plug-in to the browser(ln -s /root/core/jre-9/lib/libnpjp2.so /root/.mozilla/plugins)
3.In firefox browser open a java game(http://www.by-art.com/)

Expect behavior: This java game can be loaded and played

The actual result:
This java plugin crashed.Please refer to plugins.png.