Tomcat 远程调试端口开放以及详细堆栈信息

远程端口开放： -Xdebug -Xrunjdwp:transport=dt_socket,server=y,address=7899,suspend=n 
内存溢出详细堆栈信息：-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./heap_dump.bin
catalina.sh中CATALINA_OPTS末尾增加：CATALINA_OPTS="$CATALINA_OPTS -server -Xms512M -Xmx768M -Xss1024k -XX:NewSize=128M -XX:MaxNewSize=256M -XX:PermSize=64M -XX:MaxPermSize=128M -XX:+AggressiveOpts -XX:+UseBiasedLocking -XX:+DisableExplicitGC -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:MaxTenuringThreshold=31 -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -Xdebug -Xrunjdwp:transport=dt_socket,server=y,address=7899,suspend=n -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./heap_dump.bin"然后重启就好