无法连接数据库:Can't connect to MySQL server on '42.96.149.21' (111)

>  /app/base/lib/db/connections.php:176
#0trigger_error(...string(75) "无法连接数据库:Can't connect to MySQL server on '42.96.149.21' (111)" ,'256')connections.php:176
#1base_db_connections->_connect('42.96.149.21','db','huatangdb','ecstore')connections.php:165
#2base_db_connections->_rw_conn()connections.php:150
#3base_db_connections->_ro_conn()connections.php:90
#4base_db_connections->select(...string(137) "SELECT member_id,login_account,login_type FROM `sdb_pam_members` WHERE 1 AND `sdb_pam_members`.member_id='' LIMIT 0, 18446744073709551615" )connections.php:139
#5base_db_connections->selectlimit(...string(107) "SELECT member_id,login_account,login_type FROM `sdb_pam_members` WHERE 1 AND `sdb_pam_members`.member_id=''" ,'-1','0')model.php:64
#6dbeav_model->getList(...string(34) "member_id,login_account,login_type" ,...array(1) { ["member_id"]=> bool(false) } )object.php:179
#7b2c_user_object->_get_pam_members_data(...string(34) "member_id,login_account,login_type" ,'')object.php:140
#8b2c_user_object->get_members_data(...array(2) { ["account"]=> string(34) "member_id,login_account,login_type" ["members"]=> string(60) "member_id,member_lv_id,name,sex,experience,cur,advance,point" } )object.php:92
#9b2c_user_object->get_member_info()object.php:81
#10b2c_user_object->get_current_member()objects.php:47
#11b2c_cart_objects->get_current_member()seckill.php:35
#12seckill_cart_object_seckill->__construct(object(appobject(app)#42 (22) { ["__render":"app":private]=> NULL ["__router":"app":private]=> NULL ["__define":"app":private]=> NULL ["__taskrunner":"app":private]=> NULL ["__checkVaryArr":"app":private]=> array(0) { } ["__langPack":"app":private]=> array(0) { } ["__installed":"app":private]=> NULL ["__actived":"app":private]=> NULL ["__setting":"app":private]=> NULL ["app_id"]=> string(7) "seckill" ["app_dir"]=> string(21) "/data/www/app/seckill" ["public_app_dir"]=> string(28) "/data/www/public/app/seckill" ["res_url"]=> string(48) "http://www.htmall.com/public/app/seckill/statics" ["res_full_url"]=> string(48) "http://www.htmall.com/public/app/seckill/statics" ["lang_url"]=> string(45) "http://www.htmall.com/public/app/seckill/lang" ["lang_full_url"]=> string(45) "http://www.htmall.com/public/app/seckill/lang" ["widgets_url"]=> string(48) "http://www.htmall.com/public/app/seckill/widgets" ["widgets_full_url"]=> string(48) "http://www.htmall.com/public/app/seckill/widgets" ["res_dir"]=> string(36) "/data/www/public/app/seckill/statics" ["widgets_dir"]=> string(36) "/data/www/public/app/seckill/widgets" ["lang_dir"]=> string(33) "/data/www/public/app/seckill/lang" ["_lang_resource"]=> NULL } ))kernel.php:341
#13kernel::single(...string(27) "seckill_cart_object_seckill" )service.php:53
#14service->filter()service.php:36
#15service->valid()service.php:15
#16service->__construct(...array(1) { ["list"]=> array(3) { [0]=> string(27) "seckill_cart_object_seckill" [1]=> string(22) "b2c_cart_object_coupon" [2]=> string(21) "b2c_cart_object_goods" } } ,'')kernel.php:368
#17kernel::servicelist('b2c_cart_object_apps')cart.php:315
#18b2c_mdl_cart->unset_data()cart.php:56
#19b2c_ctl_site_cart->__construct(object(appobject(app)#10 (22) { ["__render":"app":private]=> NULL ["__router":"app":private]=> NULL ["__define":"app":private]=> NULL ["__taskrunner":"app":private]=> NULL ["__checkVaryArr":"app":private]=> array(0) { } ["__langPack":"app":private]=> array(0) { } ["__installed":"app":private]=> NULL ["__actived":"app":private]=> NULL ["__setting":"app":private]=> NULL ["app_id"]=> string(3) "b2c" ["app_dir"]=> string(17) "/data/www/app/b2c" ["public_app_dir"]=> string(24) "/data/www/public/app/b2c" ["res_url"]=> string(44) "http://www.htmall.com/public/app/b2c/statics" ["res_full_url"]=> string(44) "http://www.htmall.com/public/app/b2c/statics" ["lang_url"]=> string(41) "http://www.htmall.com/public/app/b2c/lang" ["lang_full_url"]=> string(41) "http://www.htmall.com/public/app/b2c/lang" ["widgets_url"]=> string(44) "http://www.htmall.com/public/app/b2c/widgets" ["widgets_full_url"]=> string(44) "http://www.htmall.com/public/app/b2c/widgets" ["res_dir"]=> string(32) "/data/www/public/app/b2c/statics" ["widgets_dir"]=> string(32) "/data/www/public/app/b2c/widgets" ["lang_dir"]=> string(29) "/data/www/public/app/b2c/lang" ["_lang_resource"]=> NULL } ))kernel.php:341
#20kernel::single('b2c_ctl_site_cart',object(appobject(app)#10 (22) { ["__render":"app":private]=> NULL ["__router":"app":private]=> NULL ["__define":"app":private]=> NULL ["__taskrunner":"app":private]=> NULL ["__checkVaryArr":"app":private]=> array(0) { } ["__langPack":"app":private]=> array(0) { } ["__installed":"app":private]=> NULL ["__actived":"app":private]=> NULL ["__setting":"app":private]=> NULL ["app_id"]=> string(3) "b2c" ["app_dir"]=> string(17) "/data/www/app/b2c" ["public_app_dir"]=> string(24) "/data/www/public/app/b2c" ["res_url"]=> string(44) "http://www.htmall.com/public/app/b2c/statics" ["res_full_url"]=> string(44) "http://www.htmall.com/public/app/b2c/statics" ["lang_url"]=> string(41) "http://www.htmall.com/public/app/b2c/lang" ["lang_full_url"]=> string(41) "http://www.htmall.com/public/app/b2c/lang" ["widgets_url"]=> string(44) "http://www.htmall.com/public/app/b2c/widgets" ["widgets_full_url"]=> string(44) "http://www.htmall.com/public/app/b2c/widgets" ["res_dir"]=> string(32) "/data/www/public/app/b2c/statics" ["widgets_dir"]=> string(32) "/data/www/public/app/b2c/widgets" ["lang_dir"]=> string(29) "/data/www/public/app/b2c/lang" ["_lang_resource"]=> NULL } ))app.php:74
#21app->controller('site_cart')router.php:600
#22site_router->default_dispatch()router.php:490
#23site_router->dispatch('cart.html')kernel.php:165
#24kernel::boot()index.php:5

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