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[Solved] DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs

Hello Guys, How are you all? Hope You all Are Fine. Today I am using nodejs with MongoDB and mongoose 6.0 and I am facing the following error DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs Error Occurs ?

Today I am using nodejs with MongoDB and mongoose 6.0 and I am facing the following error.

(Use `node --trace-warnings ...` to show where the warning was created)
(node:13720) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--u
terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:13720) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

How To Solve DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs Error ?

  1. How To Solve DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs Error?

    To Solve DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs Error This issue is facing mongoose version 6.0 So you just have to downgrade the mongoose version. Just run npm uninstall mongoose to uninstall the current mongoose version then run npm i [email protected]  this will install the version that will fix your problem

  2. DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs

    To Solve DeprecationWarning: Unhandled promise rejections are deprecated in mongoose nodejs Error This issue is facing mongoose version 6.0 So you just have to downgrade the mongoose version. Just run npm uninstall mongoose to uninstall the current mongoose version then run npm i [email protected]  this will install the version that will fix your problem.

Solution 1: Downgrade mongoose version.

This issue is facing mongoose version 6.0 So you just have to downgrade the mongoose version.

Just run npm uninstall mongoose to uninstall the current mongoose version then run npm i [email protected]  this will install the version that will fix your problem

Solution 2: Use mongoose version 5.13.8

npm uninstall mongoose
npm i [email protected]

Summery

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you?

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