From 555b26ae1fd1584485ab6b85c0a55a350e035350 Mon Sep 17 00:00:00 2001
From: Nick Couchman <vnick@apache.org>
Date: Tue, 8 May 2018 15:58:58 -0400
Subject: [PATCH] GUACAMOLE-38: Use ConcurrentHashMap for threadsafety.

---
 .../guacamole/auth/quickconnect/QuickConnectDirectory.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extensions/guacamole-auth-quickconnect/src/main/java/org/apache/guacamole/auth/quickconnect/QuickConnectDirectory.java b/extensions/guacamole-auth-quickconnect/src/main/java/org/apache/guacamole/auth/quickconnect/QuickConnectDirectory.java
index 30d868330..5070ea6e7 100644
--- a/extensions/guacamole-auth-quickconnect/src/main/java/org/apache/guacamole/auth/quickconnect/QuickConnectDirectory.java
+++ b/extensions/guacamole-auth-quickconnect/src/main/java/org/apache/guacamole/auth/quickconnect/QuickConnectDirectory.java
@@ -19,7 +19,7 @@
 
 package org.apache.guacamole.auth.quickconnect;
 
-import java.util.HashMap;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
 import org.apache.guacamole.GuacamoleException;
@@ -45,7 +45,7 @@ public class QuickConnectDirectory extends SimpleDirectory<Connection> {
      * The connections to store.
      */
     private final Map<String, Connection> connections =
-            new HashMap<String, Connection>();
+            new ConcurrentHashMap<String, Connection>();
 
     /**
      * The root connection group for this directory.