From 18bc7e1a2ee9add2c97e19bdd6433715e97d02d8 Mon Sep 17 00:00:00 2001
From: dOkI <denis.kirpichenkov@gmail.com>
Date: Fri, 5 May 2017 22:10:59 +0500
Subject: [PATCH] ARTEMIS-874: ThreadGroup memory leak

---
 .../activemq/artemis/utils/ActiveMQThreadFactory.java       | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/artemis-commons/src/main/java/org/apache/activemq/artemis/utils/ActiveMQThreadFactory.java b/artemis-commons/src/main/java/org/apache/activemq/artemis/utils/ActiveMQThreadFactory.java
index e5f76d3672..1644715cc4 100644
--- a/artemis-commons/src/main/java/org/apache/activemq/artemis/utils/ActiveMQThreadFactory.java
+++ b/artemis-commons/src/main/java/org/apache/activemq/artemis/utils/ActiveMQThreadFactory.java
@@ -24,7 +24,7 @@ import java.util.concurrent.atomic.AtomicInteger;
 
 public final class ActiveMQThreadFactory implements ThreadFactory {
 
-   private final ThreadGroup group;
+   private String groupName;
 
    private final AtomicInteger threadCount = new AtomicInteger(0);
 
@@ -59,7 +59,7 @@ public final class ActiveMQThreadFactory implements ThreadFactory {
     * @param tccl      the context class loader of newly created threads
     */
    public ActiveMQThreadFactory(final String groupName, String prefix, final boolean daemon, final ClassLoader tccl) {
-      group = new ThreadGroup(groupName + "-" + System.identityHashCode(this));
+      this.groupName = groupName;
 
       this.prefix = prefix;
 
@@ -97,7 +97,7 @@ public final class ActiveMQThreadFactory implements ThreadFactory {
    }
 
    private Thread createThread(final Runnable command) {
-      final Thread t = new Thread(group, command, prefix + threadCount.getAndIncrement() + " (" + group.getName() + ")");
+      final Thread t = new Thread(command, prefix + threadCount.getAndIncrement() + " (" + groupName + ")");
       t.setDaemon(daemon);
       t.setPriority(threadPriority);
       t.setContextClassLoader(tccl);