![]() Cannot enqueue Query after invoking quit. However, the whenever I try to query something from my database I get one of two errors, depending on how I structure my code: Cannot enqueue Quit after invoking quit. Make the connection only var connection = mysql. I am trying to access a MySQL database in my backend Express and send it to my frontend React page. 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. Just create a connection on server startup and use the. ![]() This will cause problems on repeated calls to the function. Note: If youre serving web requests, then you shouldnt be ending connections on every request. 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 = at Protocol.validateEnqueue (E:NodeJSProject-ChangenodemodulesmysqllibprotocolProtocol.js:204:16). The server timing you out, or the server crashing. I have already read the post Node Mysql Cannot Enqueue a query after calling quit, the conn.end() is in my query block. Nevertheless, the code below doesnt work, because the connection.end() method is called before the SQL queries can run. You may lose the connection to a MySQL server due to network problems, Closing the connection is done using end() which makes sure all remaining queries are executed before sending a quit packet to the mysql server. You can listen on the error event to handle server disconnection and Asked by: Frida-Timms 547 I tried to query the MySQL database in Node.js but I don't know where. ![]() Then the script aborts because there is still a connection to the database. (Cannot enqueue Query after invoking quit error) 0 answers. On my SharedServer there are processes with a runtime limited 180/300 seconds. If you using the node-mysql module, just remove the. Startup and use the connection/client object to query all the time. This worked quite well, but was not sufficient for me yet. 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. ![]() Note: If you're serving web requests, then you shouldn't be ending connections on every request. TL DR You need to establish a new connection by calling the createConnection method after every disconnection. Subject: draw Cannot enqueue Query after invoking quit Date: Fri, 13:56 How to replicate : create a fresh etherdraw install, configure settings.json with mysql database, launch bin/run. 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.": I put connection.end() as the last line of the code, everything works fine. Apparently they pushed in unnecessary code in their last iteration that is also bugged. Database connection error: Error: Cannot enqueue Query after invoking quit. ![]() 1278 Handle MySQL servers not closing TCP connection after QUIT -> OK exchange 1277 Minor SqlString. nnection = mysql.If you using the node-mysql module, just remove the. Handshake (options, callback) function mysql. The code I am using is var mysql = require('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.js:277:22 > I resolve this so that every time after connecting to the DB (Query etc. ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |