Fatal error: Uncaught exception 'RedisException' with message 'Redis server went away' in /opt/A/www/question/application/libraries/redismemcache.php:27
Stack trace:
#0 /opt/A/www/question/application/libraries/redismemcache.php(27): Redis->get('disease_cat_id_...')
#1 /opt/A/www/question/application/controllers/index.php(960): redismemcache->_get('disease_cat_id_...')
#2 /opt/A/www/question/application/controllers/index.php(338): Index->redisWrite(902824, '2014')
#3 [internal function]: Index->question('qid', '902824')
#4 /opt/A/www/question/system/core/CodeIgniter.php(359): call_user_func_array(Array, Array)
#5 /opt/A/www/question/index.php(202): require_once('/opt/A/www/ques...')
#6 {main}
thrown in /opt/A/www/question/application/libraries/redismemcache.php on line 27