What will happen if you try to register a Node to a Selenium Grid Hub using the command: java -jar selenium-server.jar node --hub http://localhost:4444/grid/register --port 5555 but the port 5555 is already in use by another process?

medium📝 Predict Output Q5 of 15

Selenium Python - Selenium Grid

ANode will fail to start and show a port binding error

BNode will start successfully ignoring the port conflict

CHub will automatically assign a different port to the Node

DNode will register but not run any tests

Step-by-Step Solution

Solution:

Step 1: Understand port usage in Node startup
The Node tries to bind to the specified port; if it's busy, it cannot start.
Step 2: Check behavior on port conflict
Java process will throw an error and Node startup fails; no automatic port reassignment.
Final Answer:
Node will fail to start and show a port binding error -> Option A
Quick Check:
Port conflict = Node startup failure [OK]

Quick Trick: Port conflicts prevent Node startup; fix port or free it [OK]

Common Mistakes:

Assuming Hub assigns ports automatically
Thinking Node ignores port conflicts
Believing Node registers without running

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What will happen if you try to register a Node to a Selenium Grid Hub using the command: java -jar selenium-server.jar node --hub http://localhost:4444/grid/register --port 5555 but the port 5555 is already in use by another process?

Step 1: Understand port usage in Node startup

Step 2: Check behavior on port conflict

Final Answer:

Quick Check:

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