https://issues.apache.org/jira/browse/AMQ-4407 - thanks for the test, to fix we need to ensure a persistence adapter is started, b/c it is stopped when the last dest is removed

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1461528 13f79535-47bb-0310-9956-ffa450edef68

activemq-kahadb-store/src/main/java/org/apache/activemq/store/kahadb/MultiKahaDBPersistenceAdapter.java

@@ -167,13 +167,13 @@ public class MultiKahaDBPersistenceAdapter extends DestinationMap implements Per
         }
         FilteredKahaDBPersistenceAdapter filteredAdapter = (FilteredKahaDBPersistenceAdapter) result;
         if (filteredAdapter.getDestination() == matchAll && filteredAdapter.isPerDestination()) {
-            result = addAdapter(filteredAdapter, destination);
+            filteredAdapter = addAdapter(filteredAdapter, destination);
-            startAdapter(((FilteredKahaDBPersistenceAdapter) result).getPersistenceAdapter(), destination.getQualifiedName());
             if (LOG.isTraceEnabled()) {
                 LOG.info("created per destination adapter for: " + destination  + ", " + result);
             }
         }
-        return ((FilteredKahaDBPersistenceAdapter) result).getPersistenceAdapter();
+        startAdapter(filteredAdapter.getPersistenceAdapter(), destination.getQualifiedName());
+        return filteredAdapter.getPersistenceAdapter();
     }
 
     private void startAdapter(KahaDBPersistenceAdapter kahaDBPersistenceAdapter, String destination) {

activemq-unit-tests/src/test/java/org/apache/activemq/bugs/AMQ4407Test.java

@@ -0,0 +1,177 @@
+/**
+ * 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.activemq.bugs;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.util.ArrayList;
+
+import javax.jms.Connection;
+import javax.jms.JMSException;
+import javax.jms.MessageProducer;
+import javax.jms.Session;
+
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.apache.activemq.broker.BrokerService;
+import org.apache.activemq.broker.region.Destination;
+import org.apache.activemq.command.ActiveMQQueue;
+import org.apache.activemq.store.PersistenceAdapter;
+import org.apache.activemq.store.kahadb.FilteredKahaDBPersistenceAdapter;
+import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
+import org.apache.activemq.store.kahadb.MultiKahaDBPersistenceAdapter;
+import org.apache.activemq.util.Wait;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class AMQ4407Test {
+
+    static final Logger LOG = LoggerFactory.getLogger(AMQ4407Test.class);
+    private final static int maxFileLength = 1024*1024*32;
+
+    private final static String PREFIX_DESTINATION_NAME = "queue";
+
+    private final static String DESTINATION_NAME = PREFIX_DESTINATION_NAME + ".test";
+    private final static String DESTINATION_NAME_2 = PREFIX_DESTINATION_NAME + "2.test";
+    private final static String DESTINATION_NAME_3 = PREFIX_DESTINATION_NAME + "3.test";
+
+    BrokerService broker;
+
+    @Before
+    public void setUp() throws Exception {
+        prepareBrokerWithMultiStore(true);
+        broker.start();
+        broker.waitUntilStarted();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        broker.stop();
+    }
+
+    protected BrokerService createBroker(PersistenceAdapter kaha) throws Exception {
+        BrokerService broker = new BrokerService();
+        broker.setUseJmx(true);
+        broker.setBrokerName("localhost");
+        broker.setPersistenceAdapter(kaha);
+        return broker;
+    }
+
+    @Test
+    public void testRestartAfterQueueDelete() throws Exception {
+
+        // Ensure we have an Admin View.
+        assertTrue("Broker doesn't have an Admin View.", Wait.waitFor(new Wait.Condition() {
+            @Override
+            public boolean isSatisified() throws Exception {
+                return (broker.getAdminView()) != null;
+            }
+        }));
+
+
+        LOG.info("Adding destinations: {}, {}, {}", new Object[] {DESTINATION_NAME, DESTINATION_NAME_3, DESTINATION_NAME_3});
+        sendMessage(DESTINATION_NAME, "test 1");
+        sendMessage(DESTINATION_NAME_2, "test 1");
+        sendMessage(DESTINATION_NAME_3, "test 1");
+
+        assertNotNull(broker.getDestination(new ActiveMQQueue(DESTINATION_NAME)));
+        assertNotNull(broker.getDestination(new ActiveMQQueue(DESTINATION_NAME_2)));
+        assertNotNull(broker.getDestination(new ActiveMQQueue(DESTINATION_NAME_3)));
+
+
+        LOG.info("Removing destination: {}", DESTINATION_NAME_2);
+        broker.getAdminView().removeQueue(DESTINATION_NAME_2);
+
+        LOG.info("Recreating destination: {}", DESTINATION_NAME_2);
+        sendMessage(DESTINATION_NAME_2, "test 1");
+
+        Destination destination2 = broker.getDestination(new ActiveMQQueue(DESTINATION_NAME_2));
+        assertNotNull(destination2);
+        assertEquals(1, destination2.getMessageStore().getMessageCount());
+    }
+
+    protected KahaDBPersistenceAdapter createStore(boolean delete) throws IOException {
+        KahaDBPersistenceAdapter kaha = new KahaDBPersistenceAdapter();
+        kaha.setJournalMaxFileLength(maxFileLength);
+        kaha.setCleanupInterval(5000);
+        if (delete) {
+            kaha.deleteAllMessages();
+        }
+        return kaha;
+    }
+
+    public void prepareBrokerWithMultiStore(boolean deleteAllMessages) throws Exception {
+
+        MultiKahaDBPersistenceAdapter multiKahaDBPersistenceAdapter = new MultiKahaDBPersistenceAdapter();
+        if (deleteAllMessages) {
+            multiKahaDBPersistenceAdapter.deleteAllMessages();
+        }
+        ArrayList<FilteredKahaDBPersistenceAdapter> adapters = new ArrayList<FilteredKahaDBPersistenceAdapter>();
+
+        adapters.add(createFilteredKahaDBByDestinationPrefix(PREFIX_DESTINATION_NAME, deleteAllMessages));
+        adapters.add(createFilteredKahaDBByDestinationPrefix(PREFIX_DESTINATION_NAME + "2", deleteAllMessages));
+        adapters.add(createFilteredKahaDBByDestinationPrefix(null, deleteAllMessages));
+
+        multiKahaDBPersistenceAdapter.setFilteredPersistenceAdapters(adapters);
+        broker = createBroker(multiKahaDBPersistenceAdapter);
+    }
+
+    /**
+     * Create filtered KahaDB adapter by destination prefix.
+     *
+     * @param destinationPrefix
+     * @param deleteAllMessages
+     * @return
+     * @throws IOException
+     */
+	private FilteredKahaDBPersistenceAdapter createFilteredKahaDBByDestinationPrefix(String destinationPrefix, boolean deleteAllMessages)
+			throws IOException {
+		FilteredKahaDBPersistenceAdapter template = new FilteredKahaDBPersistenceAdapter();
+        template.setPersistenceAdapter(createStore(deleteAllMessages));
+        if (destinationPrefix != null) {
+        	template.setQueue(destinationPrefix + ".>");
+        }
+		return template;
+	}
+
+
+	/**
+	 * Send message to particular destination.
+	 *
+	 * @param destinationName
+	 * @param message
+	 * @throws JMSException
+	 */
+	private void sendMessage(String destinationName, String message) throws JMSException {
+        ActiveMQConnectionFactory f = new ActiveMQConnectionFactory("vm://localhost");
+        f.setAlwaysSyncSend(true);
+        Connection c = f.createConnection();
+        c.start();
+        Session s = c.createSession(false, Session.AUTO_ACKNOWLEDGE);
+        MessageProducer producer = s.createProducer(new ActiveMQQueue(destinationName));
+        producer.send(s.createTextMessage(message));
+        producer.close();
+        s.close();
+        c.stop();
+	}
+
+}