![]() ![]() See the error handling section for more information.I am trying to insert into MYSQL table some data recieved from AJAX post.Įrror: Cannot enqueue Handshake after already enqueuing a Handshake.Īt Protocol._validateEnqueue (C:\nodejs\node_modules\mysql\lib\protocol\Protocol.js:208:16)Īt Protocol._enqueue (C:\nodejs\node_modules\mysql\lib\protocol\Protocol.js:135:13)Īt Protocol.handshake (C:\nodejs\node_modules\mysql\lib\protocol\Protocol.js:52:41)Īt nnect (C:\nodejs\node_modules\mysql\lib\Connection.js:136:18)Īt Layer.handle (C:\nodejs\node_modules\express\lib\router\layer.js:95:5)Īt next (C:\nodejs\node_modules\express\lib\router\route.js:131:13)Īt Route.dispatch (C:\nodejs\node_modules\express\lib\router\route.js:112:3)Īt C:\nodejs\node_modules\express\lib\router\index. nodemodules events.js: 183 throw er // Unhandled error event Error: Cannot enqueue Quit after invoking quit. All of these are considered “fatal errors “and there will be an error code err. For this post I will use only my initial route, the one that renders after the user logs in (dashboard.js) Event.js is not a part of my working files, probably is a file from. You may lose your connection to MySQL server due to a network problem, server timeout, or server hanging. ![]() To handle server disconnection and reconnection events you can listen for error events. Error: Cannot enqueue Handshake after already enqueuing a Handshake. 1278 Handle MySQL servers not closing TCP connection after QUIT -> OK exchange 1277 Minor SqlString. I am trying to insert into MYSQL table some data recieved from AJAX post. After a few hours, as I thought I’m close to being done, I get this error: cannot enqueue query after invoking quit What does that mean Arrgghh After another few hours of searching the web, node-inspector debugging, and tons of debugger command and console.log(), the dark cloud was lifted away. When the server starts up, create a connection and keep querying it with the Connection/Client object. Handshake (options, callback) function mysql. Note: If you are serving web requests, you should not turn off the connection each time the request is processed. TL Every time DR closes a connection you need to create a new connection using the createConnection method. Those blind solutions and water paste I will not translate.įixing Node Mysql “Error: Cannot enqueue Handshake after invoking quit.”: In my experience, that problem was due to creating a connection directly (with mysqljs/mysql library, using createConnection()) instead of using createPool() that allows to run query() and releases the connection automatically after execution (doing getConnection() + query() + release()). When I call the end method at the end of the code it gives me an er. I’ve tried turning off the connection without using the.end() method, but it doesn’t work. Maybe the problem is that the mySQL query is executed after the connection is already closed, due to the asynchronous nature of Node. I tried to query the MySQL database in Node.js but I dont know where to end the connection. "INSERT INTO tag (userId, tag) VALUES (?, ?)",Įverything worked fine at first, but when I executed the second “query, “I got this error: Cannot enqueue Handshake after invoking quit "SELECT * FROM userProfilDetails LEFT JOIN tags ON erId = erId WHERE erid = ?", ![]() GetUserDetails: function(userid, callback) If you using the node-mysql module, just remove the. "SELECT id FROM users WHERE login = ?AND pass = ?", If I want to 'use' the query for the second time I get the following error: Cannot enqueue Handshake after invoking quit I have tried not to. ![]() LoginUser: function(login, pass, callback) Connection.query("SELECT * FROM usergps", I made a simple app in nodejs with express framework and ejs template where I can insert into mysql database and see the results, but for some reasons when I insert and refresh the page, the new date is not showing, even if it puts it in the database.I need to close the server to see the new data. ![]()
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