From 7c498f262e864244de8b780e62423970e6e5fc10 Mon Sep 17 00:00:00 2001
From: Unknown <guilgaly@gmail.com>
Date: Sun, 2 Dec 2018 21:26:52 +0100
Subject: [PATCH] [jdbc-driver] Synchronize access to the handlers map

---
 jdbc-driver/src/main/java/acolyte/jdbc/Driver.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/jdbc-driver/src/main/java/acolyte/jdbc/Driver.java b/jdbc-driver/src/main/java/acolyte/jdbc/Driver.java
index a946efaa..d2729c42 100644
--- a/jdbc-driver/src/main/java/acolyte/jdbc/Driver.java
+++ b/jdbc-driver/src/main/java/acolyte/jdbc/Driver.java
@@ -1,5 +1,7 @@
 package acolyte.jdbc;
 
+import java.util.Collections;
+import java.util.Map;
 import java.util.Properties;
 import java.util.HashMap;
 
@@ -31,8 +33,8 @@ public final class Driver implements java.sql.Driver {
     /**
      * Handler registry
      */
-    public static final HashMap<String,ConnectionHandler> handlers =
-        new HashMap<String,ConnectionHandler>();
+    public static final Map<String,ConnectionHandler> handlers =
+        Collections.synchronizedMap(new HashMap<String,ConnectionHandler>());
 
     // --- Shared ---