Merge pull request #8735 from TexasDigitalLibrary/DS-8668

DS-8668: adds exception handler for when maximum upload size is exceeded

dspace-server-webapp/src/main/java/org/dspace/app/rest/exception/DSpaceApiExceptionControllerAdvice.java

@@ -42,6 +42,7 @@
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.context.request.WebRequest;
+import org.springframework.web.multipart.MaxUploadSizeExceededException;
 import org.springframework.web.multipart.MultipartException;
 import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
 
@@ -97,6 +98,13 @@ protected void handleWrongRequestException(HttpServletRequest request, HttpServl
         sendErrorResponse(request, response, ex, "Request is invalid or incorrect", HttpServletResponse.SC_BAD_REQUEST);
     }
 
+    @ExceptionHandler(MaxUploadSizeExceededException.class)
+    protected void handleMaxUploadSizeExceededException(HttpServletRequest request, HttpServletResponse response,
+                                               Exception ex) throws IOException {
+        sendErrorResponse(request, response, ex, "Request entity is too large",
+                          HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE);
+    }
+
     @ExceptionHandler(SQLException.class)
     protected void handleSQLException(HttpServletRequest request, HttpServletResponse response, Exception ex)
         throws IOException {