From 33630e1c4deb8164ce8806ae05bcaf057dfedcfa Mon Sep 17 00:00:00 2001
From: zy-kkk <zhongyk10@gmail.com>
Date: Tue, 26 Sep 2023 10:44:22 +0800
Subject: [PATCH] [fix](multi-catalog) SecureRandom is used to replace Random
 in FederationBackendPolicy to enhance security (#24860)

---
 .../doris/planner/external/FederationBackendPolicy.java       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/planner/external/FederationBackendPolicy.java b/fe/fe-core/src/main/java/org/apache/doris/planner/external/FederationBackendPolicy.java
index 04c39fbf96..9e23463235 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/planner/external/FederationBackendPolicy.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/planner/external/FederationBackendPolicy.java
@@ -41,11 +41,11 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 import java.nio.charset.StandardCharsets;
+import java.security.SecureRandom;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import java.util.Random;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -53,7 +53,7 @@ public class FederationBackendPolicy {
     private static final Logger LOG = LogManager.getLogger(FederationBackendPolicy.class);
     private final List<Backend> backends = Lists.newArrayList();
     private final Map<String, List<Backend>> backendMap = Maps.newHashMap();
-    private final Random random = new Random(System.currentTimeMillis());
+    private final SecureRandom random = new SecureRandom();
     private ConsistentHash<TScanRangeLocations, Backend> consistentHash;
 
     private int nextBe = 0;