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 the equivalents from $WLS_DISTRIBUTION/modules/lib :


    camunda-engine-$PLATFORM_VERSION.jar


    camunda-bpmn-model-$PLATFORM_VERSION.jar


    camunda-cmmn-model-$PLATFORM_VERSION.jar


    camunda-dmn-model-$PLATFORM_VERSION.jar


    camunda-xml-model-$PLATFORM_VERSION.jar


    camunda-engine-dmn-$PLATFORM_VERSION.jar


    camunda-engine-feel-api-$PLATFORM_VERSION.jar


    camunda-engine-feel-juel-$PLATFORM_VERSION.jar


    camunda-engine-feel-scala-$PLATFORM_VERSION.jar


    camunda-commons-logging-$COMMONS_VERSION.jar


    camunda-commons-typed-values-$PLATFORM_VERSION.jar


    camunda-commons-utils-$COMMONS_VERSION.jar


    camunda-connect-connectors-all-$CONNECT_VERSION.jar


    camunda-connect-core-$CONNECT_VERSION.jar


    feel-engine-$FEEL_ENGINE_VERSION-scala-shaded.jar


    mybatis-$MYBATIS_VERSION.jar


    slf4j-api-$SLF4J_VERSION.jar


    slf4j-jdk14-$SLF4J_VERSION.jar

3. Replace optional Camunda dependencies

In addition to the core libraries, there may be optional artifacts in $WLS_DOMAIN_HOME/lib for LDAP integration, Camunda Spin, and scripting. If you use any of these extensions, the following update steps apply:

LDAP integration

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


    camunda-identity-ldap-$PLATFORM_VERSION.jar

Camunda Connect plugin

camunda-connect-http-client , camunda-connect-soap-http-client , and camunda-engine-plugin-connect are part of the .ear .

Camunda Spin

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


    camunda-spin-core-$SPIN_VERSION.jar

camunda-spin-dataformat-json-jackson , camunda-spin-dataformat-xml-dom , and camunda-engine-plugin-spin are part of the .ear .

GraalVM JavaScript

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


    graal-sdk-$GRAALJS_VERSION.jar


    icu4j-$ICU4J_VERSION.jar


    js-$GRAALJS_VERSION.jar


    js-scriptengine-$GRAALJS_VERSION.jar


    regex-$GRAALJS_VERSION.jar


    truffle-api-$GRAALJS_VERSION.jar

Groovy

The following libraries replace the single groovy-all-$GROOVY_VERSION.jar library. Copy these libraries from $WLS_DISTRIBUTION/modules/lib to the folder $WLS_DOMAIN_HOME/lib , if present:


    groovy-$GROOVY_VERSION.jar


    groovy-jsr223-$GROOVY_VERSION.jar


    groovy-json-$GROOVY_VERSION.jar


    groovy-xml-$GROOVY_VERSION.jar


    groovy-templates-$GROOVY_VERSION.jar

4. Maintain the Camunda Platform configuration

If you have previously replaced the default Camunda 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.