[Solved] Identify the error in this Node.js cluster code snippet:const cluster = require('cluster'); if (cluster.isMaster) { cluster.fork(); } else { console.log('Worker running'); } | Node.js

Node.js - Cluster Module

Identify the error in this Node.js cluster code snippet:

const cluster = require('cluster');
if (cluster.isMaster) {
  cluster.fork();
} else {
  console.log('Worker running');
}

AMissing call to cluster.setupMaster().

BUsing deprecated 'isMaster' instead of 'isPrimary'.

Ccluster.fork() must be called outside the if block.

DNo error; code runs correctly.

Step-by-Step Solution

Solution:

Step 1: Check cluster API usage
Recent Node.js versions replaced 'isMaster' with 'isPrimary'.
Step 2: Identify deprecated property usage
Using 'cluster.isMaster' causes warnings or errors in modern Node.js.
Final Answer:
Using deprecated 'isMaster' instead of 'isPrimary'. -> Option B
Quick Check:
Use isPrimary, not isMaster [OK]

Quick Trick: Use cluster.isPrimary for master check in Node.js 16+ [OK]

Common Mistakes:

Master "Cluster Module" in Node.js

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