Cloud Connectors

The Payara Cloud Connectors are a collection of JCA adapters for use with various popular cloud messaging providers. These connectors can be deployed to Payara Server or Payara Micro version 172 or higher.

In 4.1.2.173, the available connectors are:

Obtaining the connectors

Cloud connectors are currently not available in binary form, but have to be built from source as follows:

Clone the Cloud-Connectors git repository:

git clone git@github.com:payara/Cloud-Connectors.git

Build and install the connectors:

cd Cloud-Connectors/
mvn clean install

The connectors can be found in the following locations as JCA rars:

  • Kafka - ./Kafka/KafkaRARPackaging/target/KafkaRAR-0.1.0-SNAPSHOT.rar

  • Amazon SQS - ./AmazonSQS/AmazonSQSRAR/target/AmazonSQSRAR-0.1.0-SNAPSHOT.rar

  • MQTT - ./MQTT/MQTTRAR/target/MQTTRAR-0.1.0-SNAPSHOT.rar

  • Azure Service Bus - ./AzureServiceBus/AzureSBRAR/target/AzureSBRAR-0.1.0-SNAPSHOT.rar

Installing a connector

A connector (JCA rar) is installed by deploying it to Payara Micro in the same way as an application archive (e.g. a .war) is deployed. The following shows an example:

java -jar payara-micro.jar --autobindhttp --deploy KafkaRAR-0.1.0-SNAPSHOT.rar

The connector is subsequently available to all other applications deployed to Payara Micro. An application using a connector and the connector itself can be deployed simultaneously:

java -jar payara-micro.jar --autobindhttp --deploy KafkaRAR-0.1.0-SNAPSHOT.rar --deploy myapp.war

Securing credentials

In the documentation pages for the currently available cloud connectors, much of the configuration shown is done via annotations. This configuration contains credentials as well, which as a rule of thumb should not directly be placed in code. On Payara all properties can be replaced via System properties using the syntax ${system.property.name} or environment variables using the syntax ${ENV=evironment.property.name} or password aliases using the syntax ${ALIAS=alias.name}.

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