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Update a Wildfly / JBoss EAP 7 Installation from 7.17 to 7.18

The following steps describe how to update the Camunda artifacts on a Wildfly/JBoss EAP 7 in a shared process engine scenario. Throughout the procedure, refer to the update guide.

If not already done, download the Camunda Platform 7.18 Wildfly distribution.

The update procedure takes the following steps:

  1. Update the Camunda Platform modules.
  2. Update optional Camunda Platform modules.
  3. Update Camunda web applications.

Whenever the instructions are to replace a module, delete the previous version of the module first to avoid orphan jars.

1. Update the Camunda Platform modules

Replace the following modules from the folder $APP_SERVER_HOME/modules/ with the new versions from the folder $APP_SERVER_DISTRIBUTION/modules/:

  • org/camunda/bpm/camunda-engine
  • org/camunda/bpm/wildfly/camunda-wildfly-subsystem
  • org/camunda/bpm/model/camunda-bpmn-model
  • org/camunda/bpm/model/camunda-cmmn-model
  • org/camunda/bpm/model/camunda-dmn-model
  • org/camunda/bpm/model/camunda-xml-model
  • org/camunda/bpm/dmn/camunda-engine-dmn
  • org/camunda/bpm/dmn/camunda-engine-feel-api
  • org/camunda/bpm/dmn/camunda-engine-feel-juel
  • org/camunda/bpm/dmn/camunda-engine-feel-scala
  • org/camunda/template-engines/camunda-template-engines-freemarker
  • org/camunda/commons/camunda-commons-logging
  • org/camunda/commons/camunda-commons-typed-values
  • org/camunda/commons/camunda-commons-utils
  • org/camunda/connect/camunda-connect-core
  • org/camunda/connect/camunda-connect-http-client
  • org/camunda/connect/camunda-connect-soap-http-client
  • org/camunda/feel/feel-engine
  • org/apache/httpcomponents/httpclient
  • org/apache/httpcomponents/httpcore
  • org/freemarker/freemarker
  • org/mybatis/mybatis
  • commons-codec/commons-codec
  • org/graalvm/js/js
  • org/graalvm/js/js-scriptengine
  • org/graalvm/regex/regex
  • org/graalvm/sdk/graal-sdk
  • org/graalvm/truffle/truffle-api
  • com/ibm/icu/icu4j

2. Update optional Camunda Platform modules

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

LDAP integration

Replace the following module from the folder $APP_SERVER_HOME/modules/ with its new version from the folder $APP_SERVER_DISTRIBUTION/modules/, if present:

  • org/camunda/bpm/identity/camunda-identity-ldap

Camunda Connect plugin

Replace the following modules from the folder $APP_SERVER_HOME/modules/ with the new versions from the folder $APP_SERVER_DISTRIBUTION/modules/, if present:

  • org/camunda/bpm/camunda-engine-plugin-connect

Camunda Spin

Replace the following modules from the folder $APP_SERVER_HOME/modules/ with the new versions from the folder $APP_SERVER_DISTRIBUTION/modules/, if present:

  • org/camunda/spin/camunda-spin-core
  • org/camunda/spin/camunda-spin-dataformat-json-jackson
  • org/camunda/spin/camunda-spin-dataformat-xml-dom
  • org/camunda/bpm/camunda-engine-plugin-spin

Additionally, replace the following dependent modules:

  • com/fasterxml/jackson/core/jackson-annotations
  • com/fasterxml/jackson/core/jackson-core
  • com/fasterxml/jackson/core/jackson-databind
  • com/jayway/jsonpath/json-path
  • net/minidev/accessors-smart
  • net/minidev/json-smart

Groovy

Replace the ‘org/codehaus/groovy/groovy-all’ module from the folder $APP_SERVER_HOME/modules/ with the following modules from the folder $APP_SERVER_DISTRIBUTION/modules/, if present:

  • org/codehaus/groovy/groovy-all
  • org/codehaus/groovy/groovy
  • org/codehaus/groovy/groovy-jsr223
  • org/codehaus/groovy/groovy-json
  • org/codehaus/groovy/groovy-xml
  • org/codehaus/groovy/groovy-templates

3. Update Camunda web applications

Update REST API

The following steps are required to update the Camunda REST API on a JBoss/Wildfly instance:

  1. Undeploy an existing web application with a name like camunda-engine-rest.
  2. 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-$CLASSIFIER.war.
  3. Deploy the web application archive to your JBoss/Wildfly instance.

Update Cockpit, Tasklist, and Admin

The following steps are required to update the Camunda web applications Cockpit, Tasklist, and Admin on a JBoss/Wildfly instance:

  1. Undeploy an existing web application with a name like camunda-webapp.
  2. 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-jboss.war.
  3. Deploy the web application archive to your JBoss/Wildfly instance.

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