Spring Security In Action Second Edition May 2026

public String extractUsername(String token) return Jwts.parserBuilder() .setSigningKey(key) .build() .parseClaimsJws(token) .getBody() .getSubject();

In the first edition of Spring Security in Action , many readers fell in love with the classic "formLogin" flow. But in the second edition, Laurentiu Spilca makes one thing crystal clear: In a modern cloud-native world, servers must forget. spring security in action second edition

"The best session is no session at all." — A mantra for modern Spring Security developers. public String extractUsername(String token) return Jwts