advancedAuthorization: Roles, Authorities (RBAC) & Custom Filters
What happens if a custom filter forgets to call filterChain.doFilter()?
The request processing stops completely at that filter — no later filter, and no controller/servlet, ever executes. This often manifests as a hung request or a generic timeout with no obvious error message, making it a notoriously tricky bug to diagnose in real projects.
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