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From "Melvin Ramos (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMQ-3245) SELECTORS doesn't work for releases 5.4.0 to current
Date Wed, 30 Mar 2011 19:06:05 GMT

     [ https://issues.apache.org/jira/browse/AMQ-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Melvin Ramos updated AMQ-3245:
------------------------------

    Attachment: JmsTestConsumer1.java
                JmsTestProducer1.java
                ActiveMQ_Test_Case.txt
                activemq.xml

Sample code, broker config and test case.

> SELECTORS doesn't work for releases 5.4.0 to current
> ----------------------------------------------------
>
>                 Key: AMQ-3245
>                 URL: https://issues.apache.org/jira/browse/AMQ-3245
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Selector
>    Affects Versions: 5.4.1, 5.4.2
>            Reporter: Melvin Ramos
>         Attachments: ActiveMQ_Test_Case.txt, JmsTestConsumer1.java, JmsTestProducer1.java,
activemq.xml
>
>
> Is it possible that selector was broken due to new enhancement regarding REST selectors
on 5.4.0? We are using 5.3.0 and selectors are working fine, however since we've upgraded
our demo and test environments to 5.4.1 and essentially 5.4.2 it stop working for some reason.
I can recreate it 100% of the time and below are the steps.
> 1) First create the producer with String property set to 30. i.e. test, 30:
> {code}
> String username="Me"
> String passwd = "invicible"
> String url ="failover:(tcp://localhost:51515)?maxReconnectDelay=5000&useExponentialBackOff=false";
> ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(username, passwd,
url);
> Connection connection = connectionFactory.createConnection();
> // connection.setUseCompression(true); set this on the URL instead
> connection.setExceptionListener(this);
> String destinationString = "Test.Dest";
> // create a session, destination, and producer
> Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
> Destination destination = session.createQueue(destinationString);
> MessageProducer producer = session.createProducer(destination);
> producer.setDeliveryMode(DeliveryMode.PERSISTENT);
> Message message = session.createTextMessage("This is a test message");
> message.setIntProperty("test", 30);
> // insert the message 1000 times.
> for (long l = 0L; l < 1000; l++) {
>       producer.send(message);
> }
>  producer.close();
>  session.close();
>  connection.close();
> {code}
> Now we have 1000 message sitting on activemq, if you navigate to http://localhost:8161/admin
and view "Test.Dest" queue you should see the 1000 message there.
> 2) Create the consumer with test > 50 selector.
> {code}
> public void setup() {
> String username="Me"
> String passwd = "invicible"
> String url ="failover:(tcp://localhost:51515)?maxReconnectDelay=5000&useExponentialBackOff=false";
//"tcp://localhost:51515";
> ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(username, passwd,
url);
> Connection connection = connectionFactory.createConnection();
> // connection.setUseCompression(true); set this on the URL instead
> connection.setExceptionListener(this);
> // create a session, destination, and consumer
> Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
> String destinationString = "Test.Dest";
> session.createQueue(destinationString);
> MessageConsumer consumer = session.createConsumer(destination, "test > 50");
> consumer.setMessageListener(this);
> connection.start();
> }
> public void onMessage(Message message) {
>        try {
>             if (print && text) {
>                 TextMessage textMessage = (TextMessage) message;
>                 System.out.println(textMessage.getText());
>             }
>        catch (Exception ex)
>        { //swallow } 
> }
> {code}
> Once connected to broker, you'll see that it doesn't do anything as the message is not
for this selector.
> 3) Edit the code to producer.
> {code}
> message.setIntProperty("test", 60);
> {code}
> And then rerun the producer to insert the 1000 records again.
> Actual: Nothing happens, the consumer just waits for any message that comes in that matches
the selector. 
> Expected: The message gets consumed, as the latter part of the producer ran matches the
selector.
> This behavior works perfectly fine with 5.3.0. As selector is an important functionality
of JMS as a whole this being broken is actually bad.

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