From fd659bbfefe22943b22b00aac857c79da1be32f8 Mon Sep 17 00:00:00 2001
From: Yang Zeng <“zengyang@vmware.com”>
Date: Wed, 8 Nov 2023 11:55:19 -0800
Subject: [PATCH] MONIT-40224: fix error span

---
 .../main/java/com/wavefront/agent/sampler/EbpfSampler.java    | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/proxy/src/main/java/com/wavefront/agent/sampler/EbpfSampler.java b/proxy/src/main/java/com/wavefront/agent/sampler/EbpfSampler.java
index 8ab2b8536..9cc985a47 100644
--- a/proxy/src/main/java/com/wavefront/agent/sampler/EbpfSampler.java
+++ b/proxy/src/main/java/com/wavefront/agent/sampler/EbpfSampler.java
@@ -1,6 +1,5 @@
 package com.wavefront.agent.sampler;
 
-import static com.wavefront.common.TraceConstants.PARENT_KEY;
 import static com.wavefront.sdk.common.Constants.*;
 
 import com.github.benmanes.caffeine.cache.Caffeine;
@@ -16,7 +15,6 @@
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
-import org.apache.commons.lang.StringUtils;
 import wavefront.report.Annotation;
 import wavefront.report.Span;
 
@@ -139,7 +137,7 @@ public boolean sample(@Nonnull Span span) {
     stats.edgeCount.getAndIncrement();
     if (!stats.isSignificant()) sampled = true;
 
-    if (annotationMap.containsKey(ERROR_TAG_KEY)) {
+    if (annotationMap.containsKey(ERROR_TAG_KEY) && "true".equalsIgnoreCase(annotationMap.get(ERROR_TAG_KEY))) {
       stats.errorCount.getAndIncrement();
       if (!sampled && stats.getErrorRatio() < 0.5) sampled = true;
     }