Hope you guys are doing great.
I implemented BullMQ (next major version of Bull) into my nodejs project to schedule the jobs to send emails. For example, send email of forget password request. So, I have written my code something like below.
User Service:
await resetPasswordJob({email: '[email protected]'}); // from service I'm calling a job
Reset Password Job:
const {Queue} = require('bullmq');
const IOredis = require('ioredis');
const connection = new IOredis(process.env.REDIS_PORT || 6379);
const resetPasswordResolver = require('../resolvers/resetPasswordResolver');
const resetPasswordJob = async (payload) => {
const queue = new Queue('default', {connection}); // 'default' is queue name
// Added below line, because I was getting this issue sometime
// "MaxListenersExceededWarning: Possible EventEmitter memory leak detected."
queue.setMaxListeners(queue.getMaxListeners() + 1);
await queue.add('resetPassword', payload, {
removeOnFail: true,
removeOnComplete: true,
}); // 'resetPassword' is job name
const worker = new Worker('default', async (job) =>
await resetPasswordResolver(job.data)
);
worker.on('completed', (job) => {
console.log(`Worker Mesg: ${job.id} has completed.`);
done();
});
worker.on('failed', (job, err) => {
console.log(
`Worker Mesg: ${job.id} has failed with ${err.message}!`
);
done();
});
};
module.exports = resetPasswordJob;
Reset Password Resolver:
const sendMail = require('../../utils/sendMail');
const resetPasswordMailResolver = async (payload) => {
const body = `<html>Some html email template here</html>`;
await sendMail({to: payload.email, subject: 'Reset your account password', body: body});
return {};
};
module.exports = resetPasswordMailResolver;
But the problem is, if I execute this once and try to execute some other job, that time this job is only executing, no the latest one. And getting a error message in console:
Worker Mesg: 7 has completed.
Error: Missing lock for job 7 failed
at Function.finishedErrors (/home/admini/Documents/node-project/node_modules/bullmq/dist/classes/scripts.js:135:24)
at Job.moveToFailed (/home/admini/Documents/node-project/node_modules/bullmq/dist/classes/job.js:197:41)
at processTicksAndRejections (internal/process/task_queues.js:93:5)
at async handleFailed (/home/admini/Documents/node-project/node_modules/bullmq/dist/classes/worker.js:207:17)
at async Worker.run (/home/admini/Documents/node-project/node_modules/bullmq/dist/classes/worker.js:90:33)
I'm not able to find any concrete solution for this bug. Please help me out.
Thank you guys!
your issue can be made by several things.