The update procedure takes the following steps:

  • Uninstall the Camunda libraries and archives
  • Replace Camunda core libraries
  • Replace optional Camunda dependencies
  • Install the Camunda archive
  • Install the Camunda BPM web applications
    In each of the following steps, the identifiers refer to the current version and the new versions of the artifacts.

1. Uninstall the Camunda Applications and Archives

First, uninstall the Camunda web applications, namely the Camunda REST API (artifact name like camunda-engine-rest) and the Camunda applications Cockpit, Tasklist and Admin (artifact name like camunda-webapp).

Uninstall the camunda EAR. Its name should be camunda-oracle-weblogic-ear-$PLATFORM_VERSION.ear.

2. Replace Camunda Core Libraries

After shutting down the server, replace the following libraries in $WLS_DOMAIN_HOME/lib with their equivalents from $WLS_DISTRIBUTION/modules/lib:

  • camunda-engine-$PLATFORM_VERSION.jar
  • camunda-bpmn-model-$PLATFORM_VERSION.jar
  • camunda-cmmn-model-$PLATFORM_VERSION.jar
  • camunda-xml-model-$PLATFORM_VERSION.jar

    3. Replace Optional Camunda Dependencies

Copy the following libraries from to the folder $WLS_DOMAIN_HOME/lib if present:

  • camunda-identity-ldap-$PLATFORM_VERSION.jar

Copy the following libraries from $WLS_DISTRIBUTION/modules/lib to the folder $WLS_DOMAIN_HOME/lib if present:

Copy the following libraries from $WLS_DISTRIBUTION/modules/lib to the folder $WLS_DOMAIN_HOME/lib if present:

  • camunda-spin-core-$SPIN_VERSION.jar

    4. Maintain the BPM Platform Configuration

If you have previously replaced the default BPM platform configuration by a custom configuration following any of the ways outlined in the deployment descriptor reference, it may be necessary to restore this configuration. This can be done by repeating the configuration replacement steps for the updated platform.

5. Install the Camunda Archive

Install the Camunda EAR, i.e., the file $WLS_DISTRIBUTION/modules/camunda-oracle-weblogic-ear-$PLATFORM_VERSION.ear.

6. Install the Web Applications

Deploy the web application $WLS_DISTRIBUTION/webapps/camunda-engine-rest-$PLATFORM_VERSION-wls.war to your Oracle WebLogic instance.

Deploy the web application $WLS_DISTRIBUTION/webapps/camunda-webapp-ee-wls-$PLATFORM_VERSION.war to your Oracle WebLogic instance.

It is possible to enable entity caching for Hypertext Application Language (HAL) requests that the camunda web applications make. This can be especially useful when you use camunda in combination with LDAP. To activate caching, the camunda webapp artifact has to be modified and the pre-built application cannot be used as is. See the for details.