How to Solve Selenium Parallel Execution Issues | ThreadLocal vs Static WebDriver
Selenium Parallel Execution Deep Dive | ThreadLocal vs Static Driver | Fix Single Browser Issue
In this video, you’ll learn how to fix one of the most common problems in Selenium TestNG automation —
👉 “Why only one browser opens during parallel execution?”
We’ll deep dive into:
✅ Why your framework opens only one Chrome window
✅ The problem with using static WebDriver driver
✅ How synchronized affects parallel runs
✅ The real fix using ThreadLocal
✅ Proper DriverManager & BaseTest implementation
✅ Running multiple browsers in parallel using TestNG
💡 Perfect for:
Selenium Automation Engineers
Framework Designers
TestNG / Cucumber Users
QA Leads preparing for interviews
📘 Chapters:
00:00 – Introduction
01:20 – Understanding Parallel Execution in TestNG
03:45 – The Problem with Static WebDriver
06:10 – Why synchronized Fails for Parallel Runs
08:00 – Implementing ThreadLocal for Parallel Execution
12:30 – Demo: Running Tests in Parallel
15:00 – Best Practices for Thread-Safe Frameworks
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