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The ActiveMQ source connector receives messages from ActiveMQ clusters and writes messages to Pulsar topics.

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Installation

git clone https://github.com/streamnative/pulsar-io-activemq.git
cd pulsar-io-activemq/
mvn clean install -DskipTests
cp target/pulsar-io-activemq-0.0.1.nar $PULSAR_HOME/pulsar-io-activemq-0.0.1.nar

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Configuration

The configuration of the ActiveMQ source connector has the following properties.

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ActiveMQ source connector configuration

NameTypeRequiredSensitiveDefaultDescription
protocolStringtruefalse”tcp”The ActiveMQ protocol.
hostStringtruefalse” ” (empty string)The ActiveMQ host.
portinttruefalse5672The ActiveMQ port.
usernameStringfalsetrue” ” (empty string)The username used to authenticate to ActiveMQ.
passwordStringfalsetrue” ” (empty string)The password used to authenticate to ActiveMQ.
queueNameStringfalsefalse” ” (empty string)The ActiveMQ queue name that messages should be read from or written to.
topicNameStringfalsefalse” ” (empty string)The ActiveMQ topic name that messages should be read from or written to.

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Configure ActiveMQ source connector

Before using the ActiveMQ source connector, you need to create a configuration file through one of the following methods.
  • JSON 
    {
    "tenant": "public",
    "namespace": "default",
    "name": "activemq-source",
    "topicName": "user-op-queue-topic",
    "archive": "connectors/pulsar-io-activemq-2.5.1.nar",
    "parallelism": 1,
    "configs": {
        "protocol": "tcp",
        "host": "localhost",
        "port": "61616",
        "username": "admin",
        "password": "admin",
        "queueName": "user-op-queue"
    }
}
  • YAML 
    tenant: "public"
namespace: "default"
name: "activemq-source"
topicName: "user-op-queue-topic"
archive: "connectors/pulsar-io-activemq-2.5.1.nar"
parallelism: 1

configs:
    protocol: "tcp"
    host: "localhost"
    port: "61616"
    username: "admin"
    password: "admin"
    queueName: "user-op-queue"
  1. Prepare ActiveMQ service. 
    docker pull rmohr/activemq
docker run -p 61616:61616 -p 8161:8161 rmohr/activemq
  2. Put the pulsar-io-activemq-2.5.1.nar in the pulsar connectors catalog. 
    cp pulsar-io-activemq-2.5.1.nar $PULSAR_HOME/connectors/pulsar-io-activemq-2.5.1.nar
  3. Start Pulsar in standalone mode. 
    $PULSAR_HOME/bin/pulsar standalone
  4. Run ActiveMQ source locally. 
    $PULSAR_HOME/bin/pulsar-admin source localrun --source-config-file activemq-source-config.yaml
  5. Consume Pulsar messages. 
    bin/pulsar-client consume -s "sub-products" public/default/user-op-queue-topic -n 0
  6. Send ActiveMQ messages. Use the test method sendMessage of the class org.apache.pulsar.ecosystem.io.activemq.ActiveMQDemo to send ActiveMQ messages. 
    @Test
private void sendMessage() throws JMSException {

    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("tcp://localhost:61616");

    @Cleanup
    Connection connection = connectionFactory.createConnection();
    connection.start();

    @Cleanup
    Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);

    Destination destination = session.createQueue("user-op-queue");

    @Cleanup
    MessageProducer producer = session.createProducer(destination);
    producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

    for (int i = 0; i < 10; i++) {
        String msgContent = "Hello ActiveMQ - " + i;
        ActiveMQTextMessage message = new ActiveMQTextMessage();
        message.setText(msgContent);
        producer.send(message);
    }
}