From 393cf9bfefc0bde17aad74db27743e99c50a47b7 Mon Sep 17 00:00:00 2001
From: Clebert Suconic <clebertsuconic@apache.org>
Date: Tue, 8 Aug 2017 16:00:01 -0400
Subject: [PATCH] ARTEMIS-1334 Scheduled component shouldn't be synchronized

(cherry picked from commit 8bc15b1199e9aa82c1cb92586deaba46174473ad)
---
 .../artemis/core/server/ActiveMQScheduledComponent.java       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/artemis-commons/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQScheduledComponent.java b/artemis-commons/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQScheduledComponent.java
index 7aeec1ebc2..e6c015e6f7 100644
--- a/artemis-commons/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQScheduledComponent.java
+++ b/artemis-commons/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQScheduledComponent.java
@@ -41,7 +41,7 @@ public abstract class ActiveMQScheduledComponent implements ActiveMQComponent, R
    private long millisecondsPeriod;
    private TimeUnit timeUnit;
    private final Executor executor;
-   private ScheduledFuture future;
+   private volatile ScheduledFuture future;
    private final boolean onDemand;
 
    long lastTime = 0;
@@ -144,7 +144,7 @@ public abstract class ActiveMQScheduledComponent implements ActiveMQComponent, R
    }
 
    @Override
-   public synchronized void stop() {
+   public void stop() {
       if (future != null) {
          future.cancel(false);
          future = null;