handle missing exception types

backend/src/main/java/com/petshop/backend/exception/GlobalExceptionHandler.java

@@ -11,10 +11,13 @@ import org.springframework.security.authentication.DisabledException;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.validation.FieldError;
+import org.springframework.web.HttpMediaTypeNotSupportedException;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.MissingServletRequestParameterException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;
 import org.springframework.web.server.ResponseStatusException;
 import org.springframework.web.servlet.resource.NoResourceFoundException;
@@ -117,11 +120,31 @@ public class GlobalExceptionHandler {
         return buildErrorResponse(HttpStatus.BAD_REQUEST, "Invalid sort field: " + ex.getPropertyName(), ex, request);
     }
 
+    @ExceptionHandler(org.hibernate.query.PathException.class)
+    public ResponseEntity<ApiErrorResponse> handleHibernatePathException(org.hibernate.query.PathException ex, HttpServletRequest request) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, "Invalid query field reference", ex, request);
+    }
+
     @ExceptionHandler(PetService.ForbiddenImageAccessException.class)
     public ResponseEntity<ApiErrorResponse> handleForbiddenImageAccess(PetService.ForbiddenImageAccessException ex, HttpServletRequest request) {
         return buildErrorResponse(HttpStatus.FORBIDDEN, "Access to this pet image is not allowed", ex, request);
     }
 
+    @ExceptionHandler(HttpMessageNotReadableException.class)
+    public ResponseEntity<ApiErrorResponse> handleHttpMessageNotReadable(HttpMessageNotReadableException ex, HttpServletRequest request) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, "Invalid or missing request body", ex, request);
+    }
+
+    @ExceptionHandler(MissingServletRequestParameterException.class)
+    public ResponseEntity<ApiErrorResponse> handleMissingParam(MissingServletRequestParameterException ex, HttpServletRequest request) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, "Missing required parameter: " + ex.getParameterName(), ex, request);
+    }
+
+    @ExceptionHandler(HttpMediaTypeNotSupportedException.class)
+    public ResponseEntity<ApiErrorResponse> handleMediaTypeNotSupported(HttpMediaTypeNotSupportedException ex, HttpServletRequest request) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, "Unsupported content type", ex, request);
+    }
+
     @ExceptionHandler(IOException.class)
     public ResponseEntity<ApiErrorResponse> handleIOException(IOException ex, HttpServletRequest request) {
         return buildErrorResponse(HttpStatus.BAD_REQUEST, ex.getMessage(), ex, request);