tomcat stacktrace dumper

cron-tomcat-thread-dump

*/5 * * * * tomcat bash -c "/usr/java/latest/bin/jstack -l `ps aux | grep org.apache.catalina.startup.Bootstrap | grep -v grep | tr -s ' ' | cut -f2 -d' '` >> `ls -d /var/log/tomcat[6-9] | head -1`/stacktrace.log"

logrotate-tomcat-threads

/var/log/tomcat7/stacktrace.log {
    missingok
    daily
    minsize 1M
    compress
    create 640 tomcat tomcat
    rotate 4
}