https://issues.apache.org/jira/browse/AMQ-6262

Ensure that the connection check task is stopped once commands pass
through the inactivity monitor to prevent the transport from being
closed for no reason.

activemq-http/src/main/java/org/apache/activemq/transport/http/HttpInactivityMonitor.java

@@ -0,0 +1,58 @@
+/*
+ * 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.transport.http;
+
+import java.io.IOException;
+
+import org.apache.activemq.command.BrokerInfo;
+import org.apache.activemq.command.ConnectionInfo;
+import org.apache.activemq.transport.InactivityMonitor;
+import org.apache.activemq.transport.Transport;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Inactivity Monitor specialization for use with HTTP based transports.
+ */
+public class HttpInactivityMonitor extends InactivityMonitor {
+
+    private static final Logger LOG = LoggerFactory.getLogger(HttpInactivityMonitor.class);
+
+    /**
+     * @param next
+     *      The next Transport in the filter chain.
+     */
+    public HttpInactivityMonitor(Transport next) {
+        super(next, null);
+    }
+
+    @Override
+    public void onCommand(Object command) {
+        if (command.getClass() == ConnectionInfo.class || command.getClass() == BrokerInfo.class) {
+            synchronized (this) {
+                try {
+                    LOG.trace("Connection {} attempted on HTTP based transport: {}", command, this);
+                    processInboundWireFormatInfo(null);
+                } catch (IOException e) {
+                    onException(e);
+                }
+            }
+        }
+
+        super.onCommand(command);
+    }
+}

activemq-http/src/main/java/org/apache/activemq/transport/http/HttpTransportFactory.java

@@ -23,7 +23,6 @@ import java.net.URISyntaxException;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.apache.activemq.transport.InactivityMonitor;
 import org.apache.activemq.transport.Transport;
 import org.apache.activemq.transport.TransportFactory;
 import org.apache.activemq.transport.TransportLoggerFactory;
@@ -60,7 +59,7 @@ public class HttpTransportFactory extends TransportFactory {
         if (wireFormat instanceof TextWireFormat) {
             return (TextWireFormat)wireFormat;
         }
-        LOG.trace("Not created with a TextWireFormat: " + wireFormat);
+        LOG.trace("Not created with a TextWireFormat: {}", wireFormat);
         return new XStreamWireFormat();
     }
 
@@ -94,8 +93,8 @@ public class HttpTransportFactory extends TransportFactory {
     @SuppressWarnings("rawtypes")
     public Transport compositeConfigure(Transport transport, WireFormat format, Map options) {
         transport = super.compositeConfigure(transport, format, options);
-        HttpClientTransport httpTransport = (HttpClientTransport)transport.narrow(HttpClientTransport.class);
-        if(httpTransport != null && httpTransport.isTrace() ) {
+        HttpClientTransport httpTransport = transport.narrow(HttpClientTransport.class);
+        if (httpTransport != null && httpTransport.isTrace()) {
             try {
                 transport = TransportLoggerFactory.getInstance().createTransportLogger(transport);
             } catch (Throwable e) {
@@ -104,7 +103,7 @@ public class HttpTransportFactory extends TransportFactory {
         }
         boolean useInactivityMonitor = "true".equals(getOption(options, "useInactivityMonitor", "true"));
         if (useInactivityMonitor) {
-            transport = new InactivityMonitor(transport, null /* ignore wire format as no negotiation over http */);
+            transport = new HttpInactivityMonitor(transport);
             IntrospectionSupport.setProperties(transport, options);
         }
 

activemq-http/src/test/java/org/apache/activemq/transport/http/HttpTransportConnectTimeoutTest.java

@@ -0,0 +1,93 @@
+/*
+ * 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.transport.http;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import javax.jms.Connection;
+import javax.jms.ExceptionListener;
+import javax.jms.JMSException;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageProducer;
+import javax.jms.Queue;
+import javax.jms.Session;
+
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.apache.activemq.broker.BrokerService;
+import org.apache.activemq.broker.TransportConnector;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class HttpTransportConnectTimeoutTest {
+
+    private static final Logger LOG = LoggerFactory.getLogger(HttpTransportConnectTimeoutTest.class);
+
+    private BrokerService broker;
+    private ActiveMQConnectionFactory factory;
+
+    @Before
+    public void setUp() throws Exception {
+        broker = new BrokerService();
+        TransportConnector connector = broker.addConnector(
+            "http://localhost:0?trace=true&transport.connectAttemptTimeout=2000");
+        broker.setPersistent(false);
+        broker.setUseJmx(false);
+        broker.start();
+
+        String connectionUri = connector.getPublishableConnectString();
+        factory = new ActiveMQConnectionFactory(connectionUri + "?trace=true");
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        broker.stop();
+    }
+
+    @Test(timeout = 60000)
+    public void testSendReceiveAfterPause() throws Exception {
+        final CountDownLatch failed = new CountDownLatch(1);
+
+        Connection connection = factory.createConnection();
+        connection.start();
+        connection.setExceptionListener(new ExceptionListener() {
+
+            @Override
+            public void onException(JMSException exception) {
+                LOG.info("Connection failed due to: {}", exception.getMessage());
+                failed.countDown();
+            }
+        });
+
+        assertFalse(failed.await(3, TimeUnit.SECONDS));
+
+        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+        Queue queue = session.createTemporaryQueue();
+        MessageProducer producer = session.createProducer(queue);
+        MessageConsumer consumer = session.createConsumer(queue);
+
+        producer.send(session.createMessage());
+
+        assertNotNull(consumer.receive(5000));
+    }
+}

activemq-http/src/test/resources/log4j.properties

@@ -21,6 +21,7 @@
 log4j.rootLogger=INFO, out, stdout
 
 log4j.logger.org.apache.activemq.transport.ws=DEBUG
+log4j.logger.org.apache.activemq.transport.http=DEBUG
 
 #log4j.logger.org.apache.activemq.broker.scheduler=DEBUG
 #log4j.logger.org.apache.activemq.network.DemandForwardingBridgeSupport=DEBUG