From 087d989fccccd0c5e6f1d8c89741171592e62c47 Mon Sep 17 00:00:00 2001
From: shtykh_roman <rshtykh@yahoo.com>
Date: Thu, 16 Mar 2017 23:09:13 -0700
Subject: [PATCH] Corrected string check for emptiness.

---
 .../apache/rocketmq/tools/command/stats/StatsAllSubCommand.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/src/main/java/org/apache/rocketmq/tools/command/stats/StatsAllSubCommand.java b/tools/src/main/java/org/apache/rocketmq/tools/command/stats/StatsAllSubCommand.java
index 802d9c7c..47070882 100644
--- a/tools/src/main/java/org/apache/rocketmq/tools/command/stats/StatsAllSubCommand.java
+++ b/tools/src/main/java/org/apache/rocketmq/tools/command/stats/StatsAllSubCommand.java
@@ -189,7 +189,7 @@ public class StatsAllSubCommand implements SubCommand {
                     continue;
                 }
 
-                if (selectTopic != null && selectTopic != "" && !topic.equals(selectTopic)) {
+                if (selectTopic != null && !selectTopic.isEmpty() && !topic.equals(selectTopic)) {
                     continue;
                 }
 
-- 
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