[GitHub] [skywalking] EvanLjp commented on a change in pull request #6567: fix no trace id in async log

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

EvanLjp commented on a change in pull request #6567:
URL: https://github.com/apache/skywalking/pull/6567#discussion_r595983742



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File path: apm-sniffer/apm-toolkit-activation/apm-toolkit-log4j-2.x-activation/src/main/java/org/apache/skywalking/apm/toolkit/activation/log/log4j/v2/x/async/AsyncAppenderMethodInterceptor.java
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@@ -32,7 +32,9 @@ public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allAr
         MethodInterceptResult result) throws Throwable {
         if (allArguments[0] instanceof EnhancedInstance) {
             EnhancedInstance instances = (EnhancedInstance) allArguments[0];
-            instances.setSkyWalkingDynamicField(ContextManager.getGlobalTraceId());
+            if (instances.getSkyWalkingDynamicField() == null){
+                instances.setSkyWalkingDynamicField(ContextManager.getGlobalTraceId());

Review comment:
       I have the same problem as Sheng? @xuanyu66 




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