{"action":"created","issue":{"url":"https://api.github.com/repos/sequelize/sequelize/issues/4797","labels_url":"https://api.github.com/repos/sequelize/sequelize/issues/4797/labels{/name}","comments_url":"https://api.github.com/repos/sequelize/sequelize/issues/4797/comments","events_url":"https://api.github.com/repos/sequelize/sequelize/issues/4797/events","html_url":"https://github.com/sequelize/sequelize/issues/4797","id":114807021,"number":4797,"title":"version \"3.3.2\", always throw Too many connection","user":{"login":"kidyfirst","id":2074642,"avatar_url":"https://avatars.githubusercontent.com/u/2074642?v=3","gravatar_id":"","url":"https://api.github.com/users/kidyfirst","html_url":"https://github.com/kidyfirst","followers_url":"https://api.github.com/users/kidyfirst/followers","following_url":"https://api.github.com/users/kidyfirst/following{/other_user}","gists_url":"https://api.github.com/users/kidyfirst/gists{/gist_id}","starred_url":"https://api.github.com/users/kidyfirst/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kidyfirst/subscriptions","organizations_url":"https://api.github.com/users/kidyfirst/orgs","repos_url":"https://api.github.com/users/kidyfirst/repos","events_url":"https://api.github.com/users/kidyfirst/events{/privacy}","received_events_url":"https://api.github.com/users/kidyfirst/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-11-03T12:40:41Z","updated_at":"2015-11-05T02:17:16Z","closed_at":null,"body":"    2015-11-01 15:40:46.409|******|********|server error { [SequelizeAccessDeniedError:     ER_ACCESS_DENIED_ERROR: Access denied for user '******'@'*********:38571' Too many\r\n    connection]\r\n    name: 'SequelizeAccessDeniedError',\r\n    message: 'ER_ACCESS_DENIED_ERROR: Access denied for user \\'******\\'@\\'*********:38571\\' Too   many connection',\r\n      parent:\r\n      { [Error: ER_ACCESS_DENIED_ERROR: Access denied for user '******'@'******:38571' Too many connection]\r\n       code: 'ER_ACCESS_DENIED_ERROR',\r\n     errno: 1045,\r\n     sqlState: '28000',\r\n     fatal: true },\r\n     original:\r\n       { [Error: ER_ACCESS_DENIED_ERROR: Access denied for user '******'@'******:38571' Too many  connection]\r\n       code: 'ER_ACCESS_DENIED_ERROR',\r\n       errno: 1045,\r\n       sqlState: '28000',\r\n       fatal: true } }\r\n    SequelizeAccessDeniedError: ER_ACCESS_DENIED_ERROR: Access denied for user  '****'@'****:38571' Too many connection\r\n        at Handshake._callback (****/node_modules/sequelize/lib/dialects/mysql/connection-    manager.js:51:20)\r\n        at Handshake.Sequence.end (****/node_modules/mysql/lib/protocol/sequences/Sequence.js:96:24)\r\n    at Handshake.ErrorPacket (****/node_modules/mysql/lib/protocol/sequences/Handshake.js:103:8)\r\n    at Protocol._parsePacket (****/node_modules/mysql/lib/protocol/Protocol.js:274:23)\r\n    at Parser.write (****/node_modules/mysql/lib/protocol/Parser.js:77:12)\r\n    at Protocol.write (****/node_modules/mysql/lib/protocol/Protocol.js:39:16)\r\n    at Socket.<anonymous> (****/node_modules/mysql/lib/Connection.js:96:28)\r\n    at Socket.emit (events.js:107:17)\r\n    at readableAddChunk (_stream_readable.js:163:16)\r\n    at Socket.Readable.push (_stream_readable.js:126:10)\r\n    at TCP.onread (net.js:538:20) { request:\r\n  \r\n\r\n\r\nand we have monitored the mysql connection count,  there are too many sleep count.\r\nwho can provide some suggestions?  "},"comment":{"url":"https://api.github.com/repos/sequelize/sequelize/issues/comments/153931863","html_url":"https://github.com/sequelize/sequelize/issues/4797#issuecomment-153931863","issue_url":"https://api.github.com/repos/sequelize/sequelize/issues/4797","id":153931863,"user":{"login":"kidyfirst","id":2074642,"avatar_url":"https://avatars.githubusercontent.com/u/2074642?v=3","gravatar_id":"","url":"https://api.github.com/users/kidyfirst","html_url":"https://github.com/kidyfirst","followers_url":"https://api.github.com/users/kidyfirst/followers","following_url":"https://api.github.com/users/kidyfirst/following{/other_user}","gists_url":"https://api.github.com/users/kidyfirst/gists{/gist_id}","starred_url":"https://api.github.com/users/kidyfirst/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kidyfirst/subscriptions","organizations_url":"https://api.github.com/users/kidyfirst/orgs","repos_url":"https://api.github.com/users/kidyfirst/repos","events_url":"https://api.github.com/users/kidyfirst/events{/privacy}","received_events_url":"https://api.github.com/users/kidyfirst/received_events","type":"User","site_admin":false},"created_at":"2015-11-05T02:17:16Z","updated_at":"2015-11-05T02:17:16Z","body":"@mickhansen  thank you for your answer,  my app only run one sequelize instance, once it throw below error, i have to restart my app.\r\n"}}