Generate JHipster 9.3.0 baseline application

src/main/java/com/example/questionbank/security/UserNotActivatedException.java

@@ -0,0 +1,21 @@
+package com.example.questionbank.security;
+
+import java.io.Serial;
+import org.springframework.security.core.AuthenticationException;
+
+/**
+ * This exception is thrown in case of a not activated user trying to authenticate.
+ */
+public class UserNotActivatedException extends AuthenticationException {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    public UserNotActivatedException(String message) {
+        super(message);
+    }
+
+    public UserNotActivatedException(String message, Throwable t) {
+        super(message, t);
+    }
+}