The update procedure takes the following steps:

  • Update the Camunda BPM Core Libraries
  • Update Optional Camunda BPM Libraries
  • Maintain Process Applications

1. Update the Camunda BPM Core Libraries

Replace the following libraries in the folder $TOMCAT_HOME/lib/ with their new versions from the folder $TOMCAT_DISTRIBUTION/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-commons-logging-$COMMONS_VERSION.jar
  • camunda-commons-typed-values-$COMMONS_VERSION.jar
  • camunda-commons-utils-$COMMONS_VERSION.jar

    2. Update Optional Camunda BPM Libraries

Copy the following library from to the folder $TOMCAT_HOME/lib/, if present:

Copy the following libraries from $TOMCAT_DISTRIBUTION/lib to the folder $TOMCAT_HOME/lib/, if present:

  • camunda-connect-connectors-all-$CONNECT_VERSION.jar
  • camunda-connect-core-$CONNECT_VERSION.jar
  • camunda-engine-plugin-connect-$PLATFORM_VERSION.jar
  • camunda-spin-dataformat-all-$SPIN_VERSION.jar
  • camunda-spin-core-$SPIN_VERSION.jar
  • camunda-engine-plugin-spin-$PLATFORM_VERSION.jar

Copy the following library from $TOMCAT_DISTRIBUTION/lib to the folder $TOMCAT_HOME/lib/, if present:

  • groovy-all-$GROOVY_VERSION.jar

    3. Update Web Applications

The following steps are required to update the Camunda REST API on a Tomcat instance:

  • Undeploy an existing web application with a name like camunda-engine-rest
  • Download the REST API web application archive from our Maven Nexus Server Alternatively, switch to the private repository for the enterprise version (credentials from license required). Choose the correct version named $PLATFORM_VERSION/camunda-engine-rest-$PLATFORM_VERSION-tomcat.war.
  • Deploy the web application archive to your Tomcat instance.
  • Undeploy an existing web application with a name like camunda-webapp
  • Deploy the web application archive to your Tomcat instance.