晚上10 点钟的时候突然发现APP工作不正常，一看日志实例自己重启并且报错了，为什么？要不是及时发现损失就大了，这两天正好用户上涨的好势头。。。。。。
下面是日志
ERROR 2016-04-12 22:29:51 redis err: Error: Redis connection lost and command aborted in uncertain state. It might have been processed.
ERROR 2016-04-12 22:29:51 redis err: Error: Ready check failed: Redis connection lost and command aborted in uncertain state. It might have been processed.
ERROR 2016-04-12 22:29:51 redis err: Error: Redis connection lost and commands aborted in uncertain state. They might have been processed.
ERROR 2016-04-12 22:29:51 events.js:85
ERROR 2016-04-12 22:29:51 throw er; // Unhandled 'error' event
ERROR 2016-04-12 22:29:51 ^
ERROR 2016-04-12 22:29:51 at RedisClient.connection_gone (/home/leanengine/app/node_modules/redis/index.js:587:17)
ERROR 2016-04-12 22:29:51 at streamreadable.js:908:16
ERROR 2016-04-12 22:29:51 at process._tickDomainCallback (node.js:381:11)
ERROR 2016-04-12 22:29:51
ERROR 2016-04-12 22:29:51 npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "start"
ERROR 2016-04-12 22:29:51 npm ERR! node v0.12.12
ERROR 2016-04-12 22:29:51 npm ERR! npm v2.14.9
ERROR 2016-04-12 22:29:51 npm ERR! code ELIFECYCLE
ERROR 2016-04-12 22:29:51 npm ERR! zhimai@1.0.0 start: node --harmony server.js
ERROR 2016-04-12 22:29:51 npm ERR! Exit status 1
ERROR 2016-04-12 22:29:51 npm ERR! Failed at the zhimai@1.0.0 start script 'node --harmony server.js'.
ERROR 2016-04-12 22:29:51 npm ERR! This is most likely a problem with the zhimai package,
ERROR 2016-04-12 22:29:51 npm ERR! not with npm itself.
ERROR 2016-04-12 22:29:51 npm ERR! Tell the author that this fails on your system:
ERROR 2016-04-12 22:29:51 npm ERR! node --harmony server.js
ERROR 2016-04-12 22:29:51 npm ERR! You can get their info via:
ERROR 2016-04-12 22:29:51 npm ERR! npm owner ls zhimai
ERROR 2016-04-12 22:29:51 npm ERR! There is likely additional logging output above.
ERROR 2016-04-12 22:29:51
ERROR 2016-04-12 22:29:51 npm ERR! Please include the following file with any support request:
ERROR 2016-04-12 22:29:51 npm ERR! /home/leanengine/app/npm-debug.log
INFO 2016-04-12 22:29:52
INFO 2016-04-12 22:29:52 > zhimai@1.0.0 start /home/leanengine/app
INFO 2016-04-12 22:29:52 > node --harmony server.js
ERROR 2016-04-12 22:29:52 redis err: Error: Redis connection lost and command aborted in uncertain state. It might have been processed.
ERROR 2016-04-12 22:29:52 redis err: Error: Ready check failed: Redis connection lost and command aborted in uncertain state. It might have been processed.
ERROR 2016-04-12 22:29:52 redis err: Error: Redis connection lost and commands aborted in uncertain state. They might have been processed.
ERROR 2016-04-12 22:29:52 events.js:85
ERROR 2016-04-12 22:29:52 throw er; // Unhandled 'error' event
ERROR 2016-04-12 22:29:52 ^
ERROR 2016-04-12 22:29:52 Error: Redis connection lost and command aborted in uncertain state. It might have been processed.
ERROR 2016-04-12 22:29:52 at RedisClient.connection_gone (/home/leanengine/app/node_modules/redis/index.js:587:17)
ERROR 2016-04-12 22:29:52 at Socket. (/home/leanengine/app/node_modules/redis/index.js:241:14)
ERROR 2016-04-12 22:29:52 at Socket.g (events.js:199:16)
ERROR 2016-04-12 22:29:52 at Socket.emit (events.js:129:20)
ERROR 2016-04-12 22:29:52 at streamreadable.js:908:16
ERROR 2016-04-12 22:29:52 at process._tickDomainCallback (node.js:381:11)
ERROR 2016-04-12 22:29:52
ERROR 2016-04-12 22:29:52 npm ERR! Linux 3.13.0-63-generic
ERROR 2016-04-12 22:29:52 npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "start"
ERROR 2016-04-12 22:29:52 npm ERR! node v0.12.12
ERROR 2016-04-12 22:29:52 npm ERR! npm v2.14.9
ERROR 2016-04-12 22:29:52 npm ERR! code ELIFECYCLE
ERROR 2016-04-12 22:29:52 npm ERR! zhimai@1.0.0 start: node --harmony server.js
ERROR 2016-04-12 22:29:52 npm ERR! Exit status 1
ERROR 2016-04-12 22:29:52 npm ERR!
ERROR 2016-04-12 22:29:52 npm ERR! Failed at the zhimai@1.0.0 start script 'node --harmony server.js'.
ERROR 2016-04-12 22:29:52 npm ERR! This is most likely a problem with the zhimai package,
ERROR 2016-04-12 22:29:52 npm ERR! not with npm itself.
ERROR 2016-04-12 22:29:52 npm ERR! Tell the author that this fails on your system:
ERROR 2016-04-12 22:29:52 npm ERR! node --harmony server.js
ERROR 2016-04-12 22:29:52 npm ERR! You can get their info via:
ERROR 2016-04-12 22:29:52 npm ERR! npm owner ls zhimai
ERROR 2016-04-12 22:29:52 npm ERR! There is likely additional logging output above.
ERROR 2016-04-12 22:29:52
ERROR 2016-04-12 22:29:52 npm ERR! Please include the following file with any support request:
ERROR 2016-04-12 22:29:52 npm ERR! /home/leanengine/app/npm-debug.log
