Embedded Task Form example broken for app servers using the Jakarta namespace

[mboskamp]

Environment (Required on creation)

• Camunda WildFly distro 7.19.0+ or
• Camunda Tomcat distro 7.22.0-alpha4+
• Any DB
• Any browser

Description (Required on creation; please attach any relevant screenshots, stacktraces, log files, etc. to the ticket)

The embedded user task form example is broken for WildFly or Tomcat Camunda distros.

Steps to reproduce (Required on creation)

• mvn clean package on https://github.com/camunda/camunda-bpm-examples/tree/master/usertask/task-form-embedded
• deploy war from target folder to either Tomcat or WildFly Camunda distros (see affected version ranges).

Observed Behavior (Required on creation)

• On deploy, there are no errors or warnings but a message that the war was deployed successfully.
• However, the process application is not deployed correctly.
• In Cockpit, in the Deployment view, there is no process deployment from the web application.
• In Tasklist, it is not possible to start an instance of the process. Only the invoice example is shown.

Expected behavior (Required on creation)

• The example is usable on both Tomcat and WildFly latest versions.

Root Cause (Required on prioritization)

Not confirmed

• Both application server started to be affected by this bug with the version that introduced the switch to the Jakarta namespace.
• The git history of the example does not show any adjustments related to Jakarta.

Solution Ideas

• Adjust the example to Jakarta
  • Drawback: It may break on other application servers that are not using the Jakarta namespace.

Hints

Links

• Adjust & Migrate "BPMN 2.0" Examples #4255

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[mboskamp]

Fixed by camunda/camunda-bpm-examples#287