Exception handling for dispatch functor

Don't dequeue no-ack messages unless they have been acquired



git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk@593212 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 17 insertions, 10 deletions

diff --git a/qpid/cpp/src/qpid/broker/Queue.cpp b/qpid/cpp/src/qpid/broker/Queue.cpp
index a250009c77..1484fe464e 100644
--- a/qpid/cpp/src/qpid/broker/Queue.cpp
+++ b/qpid/cpp/src/qpid/broker/Queue.cpp
@@ -556,3 +556,18 @@ bool Queue::hasExclusiveConsumer() const
 { 
     return exclusive; 
 }
+
+void Queue::DispatchFunctor::operator()()
+{
+    try {
+        if (consumer && !consumer->preAcquires()) {
+            queue.serviceBrowser(consumer);                        
+        }else{
+            queue.dispatch(); 
+        }
+    } catch (const std::exception& e) {
+        QPID_LOG(error, "Exception on dispatch: " << e.what());
+    }
+    
+    if (sync) sync->completed();
+}
diff --git a/qpid/cpp/src/qpid/broker/Queue.h b/qpid/cpp/src/qpid/broker/Queue.h
index e554c1011a..20eb7c0800 100644
--- a/qpid/cpp/src/qpid/broker/Queue.h
+++ b/qpid/cpp/src/qpid/broker/Queue.h
@@ -71,15 +71,7 @@ namespace qpid {
 
                 DispatchFunctor(Queue& q, DispatchCompletion* s = 0) : queue(q), sync(s) {}
                 DispatchFunctor(Queue& q, Consumer::ptr c, DispatchCompletion* s = 0) : queue(q), consumer(c), sync(s) {}
-                void operator()()
-                {
-                    if (consumer && !consumer->preAcquires()) {
-                        queue.serviceBrowser(consumer);                        
-                    }else{
-                        queue.dispatch(); 
-                    }
-                    if (sync) sync->completed();
-                }
+                void operator()();
             };
                 
             const string name;
diff --git a/qpid/cpp/src/qpid/broker/SemanticState.cpp b/qpid/cpp/src/qpid/broker/SemanticState.cpp
index 8651b9034c..d844cc5086 100644
--- a/qpid/cpp/src/qpid/broker/SemanticState.cpp
+++ b/qpid/cpp/src/qpid/broker/SemanticState.cpp
@@ -280,7 +280,7 @@ bool SemanticState::ConsumerImpl::deliver(QueuedMessage& msg)
                 parent->deliveryAdapter.deliver(msg.payload, token);
             if (windowing || ackExpected) {
                 parent->record(DeliveryRecord(msg, queue, name, token, deliveryTag, acquire, !ackExpected));
-            } else if (!ackExpected) {
+            } else if (acquire && !ackExpected) {
                 queue->dequeue(0, msg.payload);
             }
         }