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src/main/java/stirling/software/SPDF/config/security/CustomAuthenticationFailureHandler.java

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+package stirling.software.SPDF.config.security;
+
+import java.io.IOException;
+
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.security.authentication.BadCredentialsException;
+import org.springframework.security.authentication.LockedException;
+
+public class CustomAuthenticationFailureHandler extends SimpleUrlAuthenticationFailureHandler {
+
+    @Override
+    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) 
+      throws IOException, ServletException {
+        if (exception.getClass().isAssignableFrom(BadCredentialsException.class)) {
+        	setDefaultFailureUrl("/login?error=badcredentials");
+        } else if (exception.getClass().isAssignableFrom(LockedException.class)) {
+        	setDefaultFailureUrl("/login?error=locked");
+        }
+        super.onAuthenticationFailure(request, response, exception);
+    }
+}