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Chapter 40. JMS

Sent and receive messages to/from a JMS Queue or Topic.

40.1. What’s inside
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Please refer to the above link for usage and configuration details.

40.2. Maven coordinates
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Create a new project with this extension on code.quarkus.redhat.com

Or add the coordinates to your existing project: 

<dependency>
    <groupId>org.apache.camel.quarkus</groupId>
    <artifactId>camel-quarkus-jms</artifactId>
</dependency>
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40.3. Usage
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40.3.1. Message mapping with org.w3c.dom.Node
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The Camel JMS component supports message mapping between javax.jms.Message and org.apache.camel.Message. When wanting to convert a Camel message body type of org.w3c.dom.Node, you must ensure that the camel-quarkus-jaxp extension is present on the classpath.

40.3.2. Native mode support for javax.jms.ObjectMessage
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When sending JMS message payloads as javax.jms.ObjectMessage, you must annotate the relevant classes to be registered for serialization with @RegisterForReflection(serialization = true). Note that this extension automatically sets quarkus.camel.native.reflection.serialization-enabled = true for you. Refer to the native mode user guide for more information.

Note

Connection pooling is a Technical Preview feature in this release of Camel Extensions for Quarkus.

To use connection pooling in the camel-quarkus-jms components, you must add io.quarkiverse.artemis:quarkus-artemis and io.quarkiverse.messaginghub:quarkus-pooled-jms to your pom.xml and set the following configuration: 

quarkus.pooled-jms.max-connections = 8
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You can use the quarkus-pooled-jms extension to get pooling and XA support for JMS connections. Refer to the quarkus-pooled-jms extension documentation for more information. Currently, it only works with quarkus-artemis-jms extension. Just add these two dependencies to your pom.xml: 

<dependency>
    <groupId>io.quarkiverse.messaginghub</groupId>
    <artifactId>quarkus-pooled-jms</artifactId>
</dependency>
<dependency>
    <groupId>io.quarkiverse.artemis</groupId>
    <artifactId>quarkus-artemis-jms</artifactId>
</dependency>
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Note that pooling is enabled by default.

To enable XA, you need to add the following configuration to your application.properties: 

quarkus.pooled-jms.xa.enabled=true
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Note

clientID and durableSubscriptionName are not supported in pooling connections. If setClientID is called on a reused connection from the pool, an IllegalStateException will be thrown. You will get some error messages such like Cause: setClientID can only be called directly after the connection is created

40.4. transferException option in native mode
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To use the transferException option in native mode, you must enable support for object serialization. Refer to the native mode user guide for more information.

You will also need to enable serialization for the exception classes that you intend to serialize. For example. 

@RegisterForReflection(targets = { IllegalStateException.class, MyCustomException.class }, serialization = true)
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