mirror of https://github.com/apache/activemq.git
fix intermittent failure of FailoverStaticNetworkTest. Bridge fails to start triggerStartAsyncNetworkBridgeCreation thread waiting on localBrokerInfo. The command was dropped due to contention between dispatch and peer start. Fix and test. Relates to https://issues.apache.org/jira/browse/AMQ-3684
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@ -92,12 +92,24 @@ public class VMTransport implements Transport, Task {
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throw new TransportDisposedIOException("Peer (" + peer.toString() + ") disposed.");
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}
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if (peer.async || !peer.started.get()) {
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if (peer.async) {
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peer.getMessageQueue().put(command);
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peer.wakeup();
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return;
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}
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if (!peer.started.get()) {
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LinkedBlockingQueue<Object> pending = peer.getMessageQueue();
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boolean accepted = false;
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do {
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synchronized (peer.started) {
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accepted = pending.offer(command);
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}
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} while (!accepted && !peer.started.get());
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if (accepted) {
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return;
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}
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}
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} catch (InterruptedException e) {
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InterruptedIOException iioe = new InterruptedIOException(e.getMessage());
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iioe.initCause(e);
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@ -259,14 +271,6 @@ public class VMTransport implements Transport, Task {
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this.transportListener = commandListener;
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}
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public void setMessageQueue(LinkedBlockingQueue<Object> asyncQueue) {
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synchronized (this) {
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if (messageQueue == null) {
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messageQueue = asyncQueue;
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}
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}
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}
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public LinkedBlockingQueue<Object> getMessageQueue() throws TransportDisposedIOException {
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LinkedBlockingQueue<Object> result = messageQueue;
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if (result == null) {
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@ -583,7 +583,6 @@
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<exclude>**/amq1490/*</exclude>
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<exclude>**/archive/*</exclude>
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<exclude>**/NetworkFailoverTest.*/**</exclude>
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<exclude>**/vm/VMTransportBrokerTest.*</exclude>
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<exclude>**/broker/MarshallingBrokerTest.*</exclude>
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<exclude>**/AMQDeadlockTest3.*</exclude>
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<!-- https://issues.apache.org/activemq/browse/AMQ-2050 -->
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@ -16,7 +16,10 @@
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*/
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package org.apache.activemq.transport.vm;
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import java.io.IOException;
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import java.net.URI;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import javax.jms.Connection;
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@ -25,6 +28,10 @@ import junit.framework.TestCase;
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import org.apache.activemq.ActiveMQConnection;
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import org.apache.activemq.ActiveMQConnectionFactory;
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import org.apache.activemq.broker.BrokerRegistry;
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import org.apache.activemq.command.BrokerInfo;
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import org.apache.activemq.transport.Transport;
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import org.apache.activemq.transport.TransportFactory;
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import org.apache.activemq.transport.TransportListener;
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public class VMTransportBrokerNameTest extends TestCase {
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@ -47,4 +54,45 @@ public class VMTransportBrokerNameTest extends TestCase {
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c1.close();
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c2.close();
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}
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public void testBrokerInfoClientAsync() throws Exception {
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ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(vmUrl));
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ActiveMQConnection c1 = (ActiveMQConnection) cf.createConnection();
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assertTrue("Transport has name in it: " + c1.getTransport(), c1.getTransport().toString().contains(MY_BROKER));
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for (int i=0;i<20; i++) {
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final CountDownLatch gotBrokerInfo = new CountDownLatch(1);
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Transport transport = TransportFactory.connect(new URI("vm://" + MY_BROKER + "?async=false"));
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transport.setTransportListener(new TransportListener() {
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@Override
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public void onCommand(Object command) {
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if (command instanceof BrokerInfo) {
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gotBrokerInfo.countDown();
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}
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}
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@Override
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public void onException(IOException error) {
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}
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@Override
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public void transportInterupted() {
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}
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@Override
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public void transportResumed() {
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}
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});
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transport.start();
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assertTrue("got broker info on iteration:" + i, gotBrokerInfo.await(5, TimeUnit.SECONDS));
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transport.stop();
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}
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c1.close();
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}
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}
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