node.js - ExpressJS app login fails after saving first login history -


i've implemented expressjs app using passportjs, mongodb (mongoose) , json web tokens.

inside successful login route implementation

await user.insertlogintime(); const token = user.generatejwt(); res.status(200).json({ token });

mongoose model method 'insertlogintime'

userschema.methods.insertlogintime = async function() {   try {     const presenttime = new date().gettime();     await this.loginhistory.push(presenttime);     await this.save();     return;   } catch (error) {       throw new error(error);   } };

first login successful , 'postman' receives token returns invalid password error on next attempts.

removing 'insertlogintime' method logs-in on multiple attempts. there mistake in 'insertlogintime' implementation?

i've resolved issue. occurring because added password hashing schema 'pre' hook 'save'. on saving login history, hashed password being hashed again , saved back. deleting actual password hash , causing next attempts fail.


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