Tomcat 运行一段时间会自动关闭
Sep 9 08:57:07 xxxxx kernel: Out of memory: Kill process 25038 (java) score 77 or sacrifice child
Sep 9 08:57:07 xxxxx kernel: Killed process 25038 (java) total-vm:13754188kB, anon-rss:1284104kB, file-rss:0kB
Sep 9 08:57:08 xxxxx systemd-logind: Removed session 7942.
Sep 9 09:00:01 xxxxx systemd: Started Session 8063 of user root