kezhenxu94 commented on a change in pull request #5045:
URL: https://github.com/apache/skywalking/pull/5045#discussion_r450617063
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File path:
apm-sniffer/apm-toolkit-activation/apm-toolkit-trace-activation/src/main/java/org/apache/skywalking/apm/toolkit/activation/util/TagUtil.java
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@@ -38,6 +38,6 @@ public static void tagReturnSpanSpan(final AbstractSpan span,
final Map<String,
public static Boolean isReturnTag(String expression) {
String[] es = expression.split("\\.");
- return es.length == 2 && "returnedObj".equals(es[0]);
+ return "returnedObj".equals(es[0]);
Review comment:
Are there possibilities that the method returns a `String` and the user
wants to use that as a tag? In such case, `es.length == 1`
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