Camunda External Task Client (Java)

The Camunda External Task Client (Java) allows to set up remote Service Tasks for your workflow.

• Quick Start
• Documentation
• Examples

Features

• Complete External Tasks
• Extend the lock duration of External Tasks
• Unlock External Tasks
• Report BPMN errors as well as failures
• Share primitive and object typed process variables with the Workflow Engine

Configuration options

• The client can be configured with the fluent api of the ExternalTaskClientBuilder.
• The topic subscription can be configured with the fluent api of the TopicSubscriptionBuilder.

Prerequisites

• Oracle Hotspot v1.8+ (JDK 8)
• Camunda BPM Platform 7.9.0+

Maven coordinates

The following Maven coordinate needs to be added to the projects pom.xml:

<dependency>
  <groupId>org.camunda.bpm</groupId>
  <artifactId>camunda-external-task-client</artifactId>
  <version>${version}</version>
</dependency>

JDK 9+ Support

If you want to use a JDK higher than 1.8, please add the following dependency to the projects pom.xml:

<dependency>
  <groupId>com.sun.xml.bind</groupId>
  <artifactId>jaxb-impl</artifactId>
  <version>2.2.4</version>
</dependency>

Contributing

Have a look at our contribution guide for how to contribute to this repository.

License

The source files in this repository are made available under the Apache License Version 2.0.