Check if response not sent

Check if someone else didn't already flush the response

Change-Id: Id4230baaffcf80e388283f1d5b3ea4be4c011e2a
Issue-ID: AAI-1762
Signed-off-by: Pavel Paroulek <pavel.paroulek@orange.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/aai-traversal/src/main/java/org/onap/aai/config/aaf/ResponseFormatter.java b/aai-traversal/src/main/java/org/onap/aai/config/aaf/ResponseFormatter.java
index 1b932e6..0fc64bc 100644
--- a/aai-traversal/src/main/java/org/onap/aai/config/aaf/ResponseFormatter.java
+++ b/aai-traversal/src/main/java/org/onap/aai/config/aaf/ResponseFormatter.java
@@ -34,6 +34,10 @@ class ResponseFormatter {
     private static final String ACCEPT_HEADER = "accept";
 
     static void errorResponse(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        if (response.isCommitted()){
+            return;
+        }
+
         String accept = request.getHeader(ACCEPT_HEADER) == null ? MediaType.APPLICATION_XML : request.getHeader(ACCEPT_HEADER);
         AAIException aaie = new AAIException("AAI_3300");
         response.setStatus(aaie.getErrorObject().getHTTPResponseCode().getStatusCode());