Update a Tomcat Installation from 7.5 to 7.6
The following steps describe how to update the Camunda artifacts on a Tomcat server in a shared process engine setting. For the entire procedure, refer to the update guide. If not already done, make sure to download the Camunda Platform 7.6 Tomcat distribution.
The update procedure takes the following steps:
- Update the Camunda Platform Core Libraries
- Update Optional Camunda Platform Libraries
- Maintain Process Applications
- Update Web Applications
In each of the following steps, the identifier $*_VERSION
refers to the current versions and the new versions of the artifacts.
1. Update the Camunda Platform 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 Platform Libraries
In addition to the core libraries, there may be optional artifacts in $TOMCAT_HOME/lib/
for LDAP integration, Camunda Connect, Camunda Spin, and Groovy scripting. If you use any of these extensions, the following update steps apply:
LDAP Integration
Copy the following library from $TOMCAT_DISTRIBUTION/lib
to the folder $TOMCAT_HOME/lib/
, if present:
camunda-identity-ldap-$PLATFORM_VERSION.jar
Camunda Connect
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
Copy the following libraries from $TOMCAT_DISTRIBUTION/lib
to the folder $TOMCAT_HOME/lib/
, if present:
camunda-spin-dataformat-all-$SPIN_VERSION.jar
camunda-spin-core-$SPIN_VERSION.jar
camunda-engine-plugin-spin-$PLATFORM_VERSION.jar
Groovy Scripting
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
Update REST API
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.
Update Cockpit, Tasklist, and Admin
The following steps are required to update the Camunda web applications Cockpit, Tasklist, and Admin on a Tomcat instance:
- Undeploy an existing web application with a name like
camunda-webapp
- Download the Camunda 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
$PLATFORM_VERSION/camunda-webapp-tomcat-$PLATFORM_VERSION.war
. - Deploy the web application archive to your Tomcat instance.