[GitHub] [skywalking] wu-sheng commented on a change in pull request #5960: fix springmvc reactive api can't collect HTTP statusCode

[GitBox <gi...@apache.org>]

wu-sheng commented on a change in pull request #5960:
URL: https://github.com/apache/skywalking/pull/5960#discussion_r537052658



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File path: apm-sniffer/apm-sdk-plugin/spring-plugins/mvc-annotation-5.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/spring/mvc/v5/InvokeInterceptor.java
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@@ -41,6 +52,23 @@ public void beforeMethod(final EnhancedInstance objInst,
                       .put(RESPONSE_KEY_IN_RUNTIME_CONTEXT, new ReactiveResponseHolder(exchange.getResponse()));
         ContextManager.getRuntimeContext()
                       .put(REQUEST_KEY_IN_RUNTIME_CONTEXT, new ReactiveRequestHolder(exchange.getRequest()));
+
+        ContextCarrier carrier = new ContextCarrier();
+        CarrierItem next = carrier.items();
+        HttpHeaders headers = exchange.getRequest().getHeaders();
+        while (next.hasNext()) {
+            next = next.next();
+            List<String> header = headers.get(next.getHeadKey());
+            if (header != null && header.size() > 0) {
+                next.setHeadValue(header.get(0));
+            }
+        }
+
+        AbstractSpan span = ContextManager.createEntrySpan(exchange.getRequest().getURI().getPath(), carrier);

Review comment:
       Why are you creating a new span?




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