1 files changed, 44 insertions, 0 deletions
diff --git a/qpid/java/systests/src/main/java/org/apache/qpid/client/MessageListenerMultiConsumerImmediatePrefetch.java b/qpid/java/systests/src/main/java/org/apache/qpid/client/MessageListenerMultiConsumerImmediatePrefetch.java
new file mode 100644
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--- /dev/null
+++ b/qpid/java/systests/src/main/java/org/apache/qpid/client/MessageListenerMultiConsumerImmediatePrefetch.java
@@ -0,0 +1,44 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ *
+ *
+ */
+package org.apache.qpid.client;
+
+/**
+ * QPID-293 Setting MessageListener after connection has started can cause messages to be "lost" on a internal delivery
+ * queue <p/> The message delivery process: Mina puts a message on _queue in AMQSession and the dispatcher thread
+ * take()s from here and dispatches to the _consumers. If the _consumer1 doesn't have a message listener set at
+ * connection start then messages are stored on _synchronousQueue (which needs to be > 1 to pass JMS TCK as multiple
+ * consumers on a session can run in any order and a synchronous put/poll will block the dispatcher). <p/> When setting
+ * the message listener later the _synchronousQueue is just poll()'ed and the first message delivered the remaining
+ * messages will be left on the queue and lost, subsequent messages on the session will arrive first.
+ */
+public class MessageListenerMultiConsumerImmediatePrefetch extends MessageListenerMultiConsumerTest
+{
+    protected void setUp() throws Exception
+    {
+        System.setProperty(AMQSession.IMMEDIATE_PREFETCH, "true");
+        super.setUp();
+    }
+
+    public static junit.framework.Test suite()
+    {
+        return new junit.framework.TestSuite(MessageListenerMultiConsumerImmediatePrefetch.class);
+    }
+}