在openresty下执行实例，直接导致nginx进程崩溃 #17
Description
2015-08-12 18:15:17,139:10367(0x7fff75527300):ZOO_INFO@log_env@712: Client environment:zookeeper.version=zookeeper C client 3.4.6
2015-08-12 18:15:17,139:10367(0x7fff75527300):ZOO_INFO@log_env@716: Client environment:host.name=localhost
2015-08-12 18:15:17,139:10367(0x7fff75527300):ZOO_INFO@log_env@723: Client environment:os.name=Darwin
2015-08-12 18:15:17,139:10367(0x7fff75527300):ZOO_INFO@log_env@724: Client environment:os.arch=14.4.0
2015-08-12 18:15:17,139:10367(0x7fff75527300):ZOO_INFO@log_env@725: Client environment:os.version=Darwin Kernel Version 14.4.0: Thu May 28 11:35:04 PDT 2015; root:xnu-2782.30.5~1/RELEASE_X86_64
2015-08-12 18:15:17,139:10367(0x7fff75527300):ZOO_INFO@log_env@733: Client environment:user.name=steven
2015-08-12 18:15:17,140:10367(0x7fff75527300):ZOO_INFO@log_env@741: Client environment:user.home=/var/empty
2015-08-12 18:15:17,140:10367(0x7fff75527300):ZOO_INFO@log_env@753: Client environment:user.dir=/Users/steven
2015-08-12 18:15:17,140:10367(0x7fff75527300):ZOO_INFO@zookeeper_init@786: Initiating client connection, host=192.168.0.72:2181 sessionTimeout=10000 watcher=0x1361390 sessionId=0 sessionPasswd= context=0x7faf92e000e0 flags=0
2015/08/12 18:15:17 [notice] 10367#0: *197 [lua] monitor.lua:43: zklua.aexists ret: 0, client: 127.0.0.1, server: localhost, request: "GET /api/v1/zk/monitor HTTP/1.1", host: "localhost"
2015/08/12 18:15:18 [notice] 375#0: signal 20 (SIGCHLD) received
2015/08/12 18:15:18 [alert] 375#0: worker process 10367 exited on signal 11
2015/08/12 18:15:18 [notice] 375#0: start worker process 10371
2015/08/12 18:15:18 [notice] 375#0: signal 23 (SIGIO) received
2015/08/12 18:15:18 [alert] 10371#0: setrlimit(RLIMIT_NOFILE, 65535) failed (22: Invalid argument)