Why is Embedded Apache Tomcat recommended in production Java applications?

It guarantees immutability, prevents NullPointerExceptions, and simplifies unit testing with Mockito without starting slow test servers.

Embedded Apache Tomcat

Default embedded web server in Spring Boot.

Written by Anuj Kumar Singh (Lead Engineer, 13+ yrs exp) • 5 min read • Verified Spring Boot 3+ Guide

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Spring Boot includes embedded Apache Tomcat by default.