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Subject: svn commit: r550796 -
 /activemq/trunk/activemq-core/src/main/java/org/apache/activemq/memory/UsageManager.java
Date: Tue, 26 Jun 2007 13:04:41 -0000
To: commits@activemq.apache.org
From: jstrachan@apache.org
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Author: jstrachan
Date: Tue Jun 26 06:04:40 2007
New Revision: 550796

URL: http://svn.apache.org/viewvc?view=rev&rev=550796
Log:
avoid concurrent modification exception on linux

Modified:
    activemq/trunk/activemq-core/src/main/java/org/apache/activemq/memory/UsageManager.java

Modified: activemq/trunk/activemq-core/src/main/java/org/apache/activemq/memory/UsageManager.java
URL: http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/memory/UsageManager.java?view=diff&rev=550796&r1=550795&r2=550796
==============================================================================
--- activemq/trunk/activemq-core/src/main/java/org/apache/activemq/memory/UsageManager.java (original)
+++ activemq/trunk/activemq-core/src/main/java/org/apache/activemq/memory/UsageManager.java Tue Jun 26 06:04:40 2007
@@ -20,6 +20,7 @@
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.ArrayList;
 import java.util.concurrent.CopyOnWriteArrayList;
 
 import org.apache.activemq.Service;
@@ -326,7 +327,7 @@
         if(oldPercentUsage>=100&&newPercentUsage<100){
             synchronized(usageMutex){
                 usageMutex.notifyAll();
-                for (Iterator iter = callbacks.iterator(); iter.hasNext();) {
+                for (Iterator iter = new ArrayList<Runnable>(callbacks).iterator(); iter.hasNext();) {
 					Runnable callback = (Runnable) iter.next();
 					callback.run();
 				}