Leibnizhu commented on code in PR #265:
URL: https://github.com/apache/skywalking-java/pull/265#discussion_r909438949


##########
apm-sniffer/apm-sdk-plugin/resteasy-plugin/resteasy-server-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/resteasy/v4/server/SynchronousDispatcherInterceptor.java:
##########
@@ -50,13 +50,22 @@ public void beforeMethod(EnhancedInstance objInst, Method 
method, Object[] allAr
             
next.setHeadValue(request.getHttpHeaders().getHeaderString(next.getHeadKey()));
         }
 
-        AbstractSpan span = 
ContextManager.createEntrySpan(request.getHttpMethod() + ":" + 
request.getUri().getPath(), contextCarrier);
+        String operationName = toOperationName(request);
+        AbstractSpan span = ContextManager.createEntrySpan(operationName, 
contextCarrier);
         span.tag(Tags.URL, 
toPath(request.getUri().getRequestUri().toString()));
         span.tag(Tags.HTTP.METHOD, request.getHttpMethod());
         span.setComponent(ComponentsDefine.RESTEASY);
         SpanLayer.asHttp(span);
     }
 
+    private String toOperationName(HttpRequest request) {
+        if (request.getHttpMethod() == null) {

Review Comment:
   it is just.....some defensive code....



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