![]() Make the connection only var connection = mysql.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. This will cause problems on repeated calls to the function. The best way to handle such unexpected disconnects is shown below: function handleDisconnect(connection) ')ĭo not connect() and end() inside the function. All of these eventsĪre considered fatal errors, and will have the err.code = The server timing you out, or the server crashing. But when I wanted to use the functionality of updating data through transactions I got the following error: Error: Cannot enqueue Query after invoking quit. system to enqueue all written data to the disk immediately after it is written. You may lose the connection to a MySQL server due to network problems, Cannot set the property to a value less than 1 or more than 6400000. You can listen on the error event to handle server disconnection and ![]() eu preciso inserir alguns dados em duas tabelas. Error: Cannot enqueue Query after invoking quit.at Protocol. Startup and use the connection/client object to query all the time. Ajuda na programação, respostas a perguntas / Javascript / Erro: Não é possível enfileirar a consulta após invocar quit - javascript, mysql, node.js ao executar o código abaixo, estou tendo um erro:Não é possível enfileirar Query depois de invocar quit. The main problem is how we can pass a variable to the callback function because they need. (Cannot enqueue Query after invoking quit error). In addition, I have used the setInterval method to set a delay of 7 seconds to do the reload process. Therefore, I have added location.reload inside the success callback function. query () method chronologically after you called the. The location.reload method, will reload (or refresh ) an entire web page after the Ajax has performed its operation, that is, extracted data from an xml file. Note: If you're serving web requests, then you shouldn't be ending connections on every request. I tried to query the MySQL database in Node.js but I dont know where to end the connection. Thanks So the issue is that in your code, line 139 you are calling the. TL DR You need to establish a new connection by calling the createConnection method after every disconnection. I often get the following app crash error: 'Cannot enqueue quit after invoking quit.' My kluge solution, which doesn't work very well, is to put a setTimeout function at the end of the route to wait to give the MySQL processes enough time to finish before the connection.end () (or, in this case, pool.end ()). Cannot enqueue Query after invoking quit before end has been called. ![]() You don't need to connect if you have already ran the createConnection call Solution 2įixing Node Mysql "Error: Cannot enqueue Handshake after invoking quit.": Apparently they pushed in unnecessary code in their last iteration that is also bugged. ![]() If you using the node-mysql module, just remove the.
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