From 2a031dae776eeab2b268da2e25b0a1e39e1b1b30 Mon Sep 17 00:00:00 2001
From: Gao Hongtao <hanahmily@gmail.com>
Date: Sun, 26 Jul 2020 11:19:22 +0800
Subject: [PATCH] Fix histogram labels are absent (#5173)

---
 .../oap/server/library/util/prometheus/parser/Context.java       | 1 +
 1 file changed, 1 insertion(+)

diff --git a/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/prometheus/parser/Context.java b/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/prometheus/parser/Context.java
index ef4c4b505..d0482fea8 100644
--- a/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/prometheus/parser/Context.java
+++ b/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/prometheus/parser/Context.java
@@ -116,6 +116,7 @@ public class Context {
                 Histogram.HistogramBuilder hBuilder = Histogram.builder();
                 hBuilder.name(name).timestamp(now);
                 samples.forEach(textSample -> {
+                    hBuilder.labels(textSample.getLabels());
                     if (textSample.getName().endsWith("_count")) {
                         hBuilder.sampleCount((long) convertStringToDouble(textSample.getValue()));
                     } else if (textSample.getName().endsWith("_sum")) {