From 2fb8b360e3eb2252ea9c2e3f984f1ddd0130fc90 Mon Sep 17 00:00:00 2001
From: Duarte Meneses <duarte.meneses@sonarsource.com>
Date: Wed, 26 May 2021 16:12:07 -0500
Subject: [PATCH] SONAR-14870 DNS cache never expires causing PR decoration to
 fail

---
 .../src/main/java/org/sonar/process/SecurityManagement.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/server/sonar-process/src/main/java/org/sonar/process/SecurityManagement.java b/server/sonar-process/src/main/java/org/sonar/process/SecurityManagement.java
index 7a2d32f4fc5..6c7c72f5bfe 100644
--- a/server/sonar-process/src/main/java/org/sonar/process/SecurityManagement.java
+++ b/server/sonar-process/src/main/java/org/sonar/process/SecurityManagement.java
@@ -25,6 +25,7 @@ import java.security.PermissionCollection;
 import java.security.Permissions;
 import java.security.Policy;
 import java.security.ProtectionDomain;
+import java.security.Security;
 import java.security.SecurityPermission;
 import java.util.Arrays;
 import java.util.HashSet;
@@ -39,6 +40,8 @@ public class SecurityManagement {
     SecurityManager sm = new SecurityManager();
     Policy.setPolicy(new CustomPolicy());
     System.setSecurityManager(sm);
+    // SONAR-14870 By default, with a security manager installed, the DNS cache never times out. See InetAddressCachePolicy.
+    Security.setProperty("networkaddress.cache.ttl", "30");
   }
 
   static class CustomPolicy extends Policy {
-- 
2.39.5