From 43151551ab3aee656b0d72c463c620b33b2216e1 Mon Sep 17 00:00:00 2001
From: peng-yongsheng <8082209@qq.com>
Date: Thu, 4 Jan 2018 12:17:57 +0800
Subject: [PATCH] Use DecimalFormat to replace DecimalFormat because of
 DecimalFormat will add a comma in formatted result when value greater than
 1000.

---
 .../apm/collector/core/util/NumberFormatUtils.java       | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/apm-collector/apm-collector-core/src/main/java/org/apache/skywalking/apm/collector/core/util/NumberFormatUtils.java b/apm-collector/apm-collector-core/src/main/java/org/apache/skywalking/apm/collector/core/util/NumberFormatUtils.java
index dc3f1aa2b3..43d72fd68a 100644
--- a/apm-collector/apm-collector-core/src/main/java/org/apache/skywalking/apm/collector/core/util/NumberFormatUtils.java
+++ b/apm-collector/apm-collector-core/src/main/java/org/apache/skywalking/apm/collector/core/util/NumberFormatUtils.java
@@ -19,7 +19,7 @@
 package org.apache.skywalking.apm.collector.core.util;
 
 import java.math.RoundingMode;
-import java.text.NumberFormat;
+import java.text.DecimalFormat;
 
 /**
  * @author peng-yongsheng
@@ -27,10 +27,9 @@ import java.text.NumberFormat;
 public class NumberFormatUtils {
 
     public static Double rateNumberFormat(Double rate) {
-        NumberFormat rateNumberFormat = NumberFormat.getNumberInstance();
-        rateNumberFormat.setMaximumFractionDigits(2);
-        rateNumberFormat.setRoundingMode(RoundingMode.HALF_UP);
-        Double formattedRate = Double.valueOf(rateNumberFormat.format(rate));
+        DecimalFormat decimalFormat = new DecimalFormat("#.00");
+        decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
+        Double formattedRate = Double.valueOf(decimalFormat.format(rate));
         return Double.valueOf(formattedRate);
     }
 }
-- 
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