yvrng commented on code in PR #1819:
URL: https://github.com/apache/cxf/pull/1819#discussion_r1573205491
##########
core/src/main/java/org/apache/cxf/transport/common/gzip/GZIPOutInterceptor.java:
##########
@@ -337,7 +337,10 @@ private static void addHeader(Message message, String
name, String value) {
if (header.isEmpty()) {
header.add(value);
} else {
- header.set(0, header.get(0) + "," + value);
+ String existingValue = header.get(0);
+ if (!existingValue.contains(value)) {
Review Comment:
I was thinking the same, and I confirm, I get the same result by adding the
item directly to the list: values are concatenated with a comma.
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