sudo: pam_open_session: Permission denied
    sudo: policy plugin failed session initialization

tomcat soft nofile 5000000
tomcat hard nofile 5000000
tomcat soft nproc  5000000
tomcat hard nproc  5000000

session    required     pam_limits.so

strace -e setrlimit sudo -u tomcat ls /tmp
setrlimit(RLIMIT_NPROC, {rlim_cur=RLIM64_INFINITY, rlim_max=RLIM64_INFINITY}) = 0
setrlimit(RLIMIT_NPROC, {rlim_cur=1031015, rlim_max=1031015}) = 0
setrlimit(RLIMIT_NPROC, {rlim_cur=5000000, rlim_max=5000000}) = 0
setrlimit(RLIMIT_NOFILE, {rlim_cur=5000000, rlim_max=5000000}) = -1 EPERM (Operation not permitted)
sudo: pam_open_session: Permission denied
sudo: policy plugin failed session initialization
+++ exited with 1 +++"

strace -e setrlimit sudo -u tomcat ls /tmp
setrlimit(RLIMIT_NPROC, {rlim_cur=5000000, rlim_max=5000000}) = 0
setrlimit(RLIMIT_NOFILE, {rlim_cur=5000000, rlim_max=5000000}) = -1 EPERM (Operation not permitted)
setrlimit(RLIMIT_NPROC, {rlim_cur=RLIM64_INFINITY, rlim_max=RLIM64_INFINITY}) = 0
hs_err_pid13726.log  hsperfdata_cron  hsperfdata_tokor  hsperfdata_tomcat  systemd-private-U8GAP7
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28963, si_status=0, si_utime=0, si_stime=0} ---
+++ exited with 0 +++