IntelliJ Tweaks: Hot Deploy/Swap to Servlet Server
Hot deployment in IntelliJ IDEA allows developers to make changes to their code and immediately see the results on the Servlet Server without restarting the application. This tweak is a lifesaver for anyone working in a fast-paced development environment.
Follow these simple steps to enable Hot Deploy and Hot Swap in IntelliJ IDEA.
Steps to Enable Hot Deploy
1. Update Debugger Settings
Go to:
File → Settings → Debugger → HotSwap
- Enable class reload on the background: Set to
true. - Enable class reload after compilations: Set to
always.
2. Configure Run/Debug Settings
Update your Run/Debug Configuration:
- In the “On frame deactivation” dropdown, select “Update resources.”
Bonus: More Configuration Tips
For advanced hot deployment scenarios, refer to this detailed guide on Hot Deployment with IntelliJ IDEA.
Conclusion
You’ll spend less time restarting your server and more time focusing on building your application after these IntelliJ tweaks. Hot deployment can significantly improve productivity, especially in projects where frequent updates are necessary.
Try it out and let the rapid feedback loop supercharge your development workflow!

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