[
https://issues.apache.org/jira/browse/OPENWIRE-16?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276621#comment-16276621
]
Marcel Hillmann commented on OPENWIRE-16:
-----------------------------------------
import java.util.ArrayList;
import java.util.List;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.Topic;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQSession;
import org.apache.activemq.advisory.AdvisorySupport;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.ActiveMQTopic;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.DataStructure;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.command.RemoveInfo;
import org.junit.Test;
public class QueueObserverTest implements ExceptionListener, MessageListener {
@Test
public void register() throws Exception {
ActiveMQConnectionFactory factory = new
ActiveMQConnectionFactory("nio://localhost:61616");
ActiveMQConnection connection = (ActiveMQConnection)
factory.createConnection("admin",
"admin");
connection.setExceptionListener(this);
connection.start();
// connection.setClientID(UUID.randomUUID().toString());
ActiveMQSession session = (ActiveMQSession)
connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
session.setMessageListener(this);
final Queue queue = new ActiveMQQueue("loggingQueue");
final Topic topic = new ActiveMQTopic("loggingQueue");
final List<Topic> topics = new ArrayList<>();
topics.add(new ActiveMQTopic("ActiveMQ.Advisory.Queue"));
topics.add(new ActiveMQTopic("ActiveMQ.Advisory.Topic"));
topics.add(AdvisorySupport.getConnectionAdvisoryTopic());
//
topics.add(AdvisorySupport.getProducerAdvisoryTopic(queue));
topics.add(AdvisorySupport.getConsumerAdvisoryTopic(queue));
topics.add(AdvisorySupport.getNoConsumersAdvisoryTopic(queue));
topics.add(AdvisorySupport.getMessageDeliveredAdvisoryTopic(queue));
//
topics.add(AdvisorySupport.getProducerAdvisoryTopic(topic));
topics.add(AdvisorySupport.getConsumerAdvisoryTopic(topic));
topics.add(AdvisorySupport.getNoConsumersAdvisoryTopic(topic));
topics.add(AdvisorySupport.getMessageDeliveredAdvisoryTopic(topic));
topics.forEach((_topic) -> {
try {
consume(session, _topic);
}
catch (JMSException e) {
e.printStackTrace();
}
});
connection.start();
while (connection.isStarted() && !connection.isClosed()) {
Thread.sleep(1000);
}
}
private final void consume(Session session, Topic topic) throws
JMSException{
System.out.println(topic);
MessageConsumer consumer = session.createConsumer(topic);
consumer.setMessageListener(this);
}
@Override
public void onException(JMSException exception) {
exception.printStackTrace();
}
@Override
public void onMessage(Message message) {
if (message instanceof ActiveMQMessage) {
ActiveMQMessage aMsg = (ActiveMQMessage) message;
DataStructure dataStructure = aMsg.getDataStructure();
if(dataStructure instanceof ConnectionInfo){
ConnectionInfo connectionInfo =
(ConnectionInfo) dataStructure;
System.out.println("Connect:
"+connectionInfo.toString());
}else if(dataStructure instanceof RemoveInfo){
RemoveInfo removeInfo = (RemoveInfo)
dataStructure;
System.out.println("Remove :
"+removeInfo.toString());
}else if(dataStructure instanceof ProducerInfo){
ProducerInfo producerInfo = (ProducerInfo)
dataStructure;
System.out.println("Produce:
"+producerInfo.toString());
}else if( message instanceof
org.apache.activemq.command.Message){
org.apache.activemq.command.Message aMessage =
(org.apache.activemq.command.Message) dataStructure;
System.out.println("Message:
"+aMessage.toString());
}
}
else {
System.out.println("QueueObserverTest.onMessage():
"+message.getClass().getSimpleName());
}
}
}
> ClassCastException: ConnectionAdvisoryTopic
> -------------------------------------------
>
> Key: OPENWIRE-16
> URL: https://issues.apache.org/jira/browse/OPENWIRE-16
> Project: ActiveMQ OpenWire
> Issue Type: Bug
> Environment: Windows 7
> java version "1.8.0_102"
> Java(TM) SE Runtime Environment (build 1.8.0_102-b14)
> Java HotSpot(TM) 64-Bit Server VM (build 25.102-b14, mixed mode)
> Reporter: Marcel Hillmann
>
> Hi,
> If I'm try to consume the connection advisory topic it raise an
> ClassCastException.
> Is this an known Isssue?
> How can I fixit?
> {code:java}
> Caused by: java.io.IOException: org.apache.activemq.command.BrokerId cannot
> be cast to org.apache.activemq.command.ConsumerId
> at
> org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:40)
> ... 7 more
> Caused by: java.lang.ClassCastException: org.apache.activemq.command.BrokerId
> cannot be cast to org.apache.activemq.command.ConsumerId
> at
> org.apache.activemq.openwire.v12.MessageMarshaller.tightUnmarshal(MessageMarshaller.java:75)
> at
> org.apache.activemq.openwire.v12.ActiveMQMessageMarshaller.tightUnmarshal(ActiveMQMessageMarshaller.java:66)
> at
> org.apache.activemq.openwire.OpenWireFormat.tightUnmarshalNestedObject(OpenWireFormat.java:456)
> at
> org.apache.activemq.openwire.v12.BaseDataStreamMarshaller.tightUnmarsalNestedObject(BaseDataStreamMarshaller.java:125)
> at
> org.apache.activemq.openwire.v12.MessageDispatchMarshaller.tightUnmarshal(MessageDispatchMarshaller.java:71)
> at
> org.apache.activemq.openwire.OpenWireFormat.doUnmarshal(OpenWireFormat.java:365)
> at
> org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.java:278)
> {code}
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