Author: rgodfrey
Date: Wed Feb  1 11:53:55 2012
New Revision: 1239094

URL: http://svn.apache.org/viewvc?rev=1239094&view=rev
Log:
QPID-3780 : guard against the possibility that the HWM is older than the queue 
head

Modified:
    
qpid/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java

Modified: 
qpid/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java
URL: 
http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java?rev=1239094&r1=1239093&r2=1239094&view=diff
==============================================================================
--- 
qpid/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java
 (original)
+++ 
qpid/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java
 Wed Feb  1 11:53:55 2012
@@ -190,6 +190,14 @@ public class SimpleQueueEntryList implem
                 scavenge();
             }
         }
+        else
+        {
+            SimpleQueueEntryImpl unscavengedHWM = _unscavengedHWM.get();
+            if(unscavengedHWM != null && unscavengedHWM.compareTo(next) < 0)
+            {
+                _unscavengedHWM.compareAndSet(unscavengedHWM, null);
+            }
+        }
     }
 
     public int getPriorities()



---------------------------------------------------------------------
Apache Qpid - AMQP Messaging Implementation
Project:      http://qpid.apache.org
Use/Interact: mailto:[email protected]

Reply via email to