multithreading - unable to create new native thread in Suse 12 SP2 -


i using linux 12 sp2 . failed create thread when thread more 420 .

error log:

exception in thread "main" java.lang.outofmemoryerror: unable create new native thread (424 threads running, rlimit: stack 8192k, core 0k, nproc 30654, nofile 16394, infinity, data infinity, cpu infinity, fsize infinity, memlock 64k , memory: 4k page, physical 528062120k(345461208k free), swap 2097148k(2097148k free)  )

from log, can see server capacity enough more thread creation. there quite few thread running under os . have idea issue ? see below details :

ps -aux | wc -l 379 cat /proc/sys/vm/max_map_count 65530 cat /proc/sys/kernel/pid_max 32768 cat /proc/sys/kernel/threads-max 4125328  ulimit -a core file size          (blocks, -c) 0 data seg size           (kbytes, -d) unlimited scheduling priority             (-e) 0 file size               (blocks, -f) unlimited pending signals                 (-i) 2062664 max locked memory       (kbytes, -l) 64 max memory size         (kbytes, -m) unlimited open files                      (-n) 8192 pipe size            (512 bytes, -p) 8 posix message queues     (bytes, -q) 819200 real-time priority              (-r) 0 stack size              (kbytes, -s) 8192 cpu time               (seconds, -t) unlimited max user processes              (-u) 30654 virtual memory          (kbytes, -v) unlimited file locks                      (-x) unlimited


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