tomcat 正常啓動後， 啓動webapps中的Jenkins程序，tomcat進程被killed
查看catalina.out日誌文件:
/home/tomcat-9.0.16/bin/catalina.sh: line 482: 20428Killed
查看linux 系統日誌
vim /var/log/messages
發現 Out of memory: Kill process 20428(java)
Sep 9 08:57:41 izwz91lqdcu2tt1mwsa2m2z kernel: Out of memory: Kill process 17314 (java) score 187 or sacrifice child
Sep 9 08:57:41 izwz91lqdcu2tt1mwsa2m2z kernel: Killed process 17314 (java) total-vm:2662608kB, anon-rss:361460kB, file-rss:692kB, shmem-rss:0kB
確定tomcat killed原因爲內存溢出